5wyk

Cryo-EM structure of the 90S small subunit pre-ribosome (Mtr4-depleted, Enp1-TAP)

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

;rRNA 2'-O-methyltransferase fibrillarin ;

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FBRL_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain 3B； PDBConstruct 1–327； UniProt 1–327 Author chain 3C； PDBConstruct 1–327； UniProt 1–327

Nucleolar protein 56

OrganismNot specified

UniProt Q12460

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NOP56_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain 3D； PDBConstruct 1–504； UniProt 1–504

Nucleolar protein 58

OrganismNot specified

UniProt Q12499

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NOP58_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain 3E； PDBConstruct 1–511； UniProt 1–511

Ribosomal RNA-processing protein 9

OrganismNot specified

UniProt Q06506

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RRP9_YEAST
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain 3F； PDBConstruct 1–573； UniProt 1–573

13 kDa ribonucleoprotein-associated protein

OrganismNot specified

UniProt P39990

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SNU13_YEAST
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain 3G； PDBConstruct 1–126； UniProt 1–126 Author chain 3H； PDBConstruct 1–126； UniProt 1–126

U3 small nucleolar RNA-associated protein 10

OrganismNot specified

UniProt P42945

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP10_YEAST
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain AE； PDBConstruct 1–1769； UniProt 1–1769

Ribosome biogenesis protein BMS1

OrganismNot specified

UniProt Q08965

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BMS1_YEAST
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain B1； PDBConstruct 1–1183； UniProt 1–1183

Periodic tryptophan protein 2

OrganismNot specified

UniProt P25635

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PWP2_YEAST
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain BA； PDBConstruct 1–923； UniProt 1–923

U3 small nucleolar RNA-associated protein 12

OrganismNot specified

UniProt Q12220

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP12_YEAST
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain BB； PDBConstruct 1–943； UniProt 1–943

U3 small nucleolar RNA-associated protein 13

OrganismNot specified

UniProt Q05946

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP13_YEAST
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain BC； PDBConstruct 1–817； UniProt 1–817

U3 small nucleolar RNA-associated protein 18

OrganismNot specified

UniProt P40362

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP18_YEAST
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain BD； PDBConstruct 1–594； UniProt 1–594

U3 small nucleolar RNA-associated protein 21

OrganismNot specified

UniProt Q06078

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP21_YEAST
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain BE； PDBConstruct 1–939； UniProt 1–939

Ribosomal RNA-processing protein 7

OrganismNot specified

UniProt P25368

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RRP7_YEAST
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain CA； PDBConstruct 1–297； UniProt 1–297

U3 small nucleolar RNA-associated protein 22

OrganismNot specified

UniProt P53254

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UTP22_YEAST
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain CB； PDBConstruct 1–1237； UniProt 1–1237

Ribosomal RNA small subunit methyltransferase NEP1

OrganismNot specified

UniProt Q06287

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NEP1_YEAST
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain E1； PDBConstruct 1–252； UniProt 1–252 Author chain E2； PDBConstruct 1–252； UniProt 1–252

KRR1 small subunit processome component

OrganismNot specified

UniProt P25586

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KRR1_YEAST
Isoform	—
PDB entities	25
Chains and sequence ranges	Author chain K1； PDBConstruct 1–316； UniProt 1–316

U3 small nucleolar ribonucleoprotein protein IMP3

OrganismNot specified

UniProt P32899

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IMP3_YEAST
Isoform	—
PDB entities	26
Chains and sequence ranges	Author chain MA； PDBConstruct 1–183； UniProt 1–183

U3 small nucleolar ribonucleoprotein protein IMP4

OrganismNot specified

UniProt P53941

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IMP4_YEAST
Isoform	—
PDB entities	27
Chains and sequence ranges	Author chain MB； PDBConstruct 1–290； UniProt 1–290

Mpp10,U3 small nucleolar RNA-associated protein MPP10

OrganismNot specified

UniProt P47083

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MPP10_YEAST
Isoform	—
PDB entities	28
Chains and sequence ranges	Author chain MC； PDBConstruct 429–593； UniProt 429–593

Pre-rRNA-processing protein PNO1

OrganismNot specified

UniProt Q99216

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PNO1_YEAST
Isoform	—
PDB entities	29
Chains and sequence ranges	Author chain P1； PDBConstruct 1–274； UniProt 1–274

;RNA 3'-terminal phosphate cyclase-like protein ;

OrganismNot specified

UniProt Q08096

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RCL1_YEAST
Isoform	—
PDB entities	30
Chains and sequence ranges	Author chain R1； PDBConstruct 1–367； UniProt 1–367

40S ribosomal protein S1-A

OrganismNot specified

UniProt P33442

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3A1_YEAST
Isoform	—
PDB entities	33
Chains and sequence ranges	Author chain SC； PDBConstruct 1–255； UniProt 1–255

40S ribosomal protein S4-A

OrganismNot specified

UniProt P0CX35

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4A_YEAST
Isoform	—
PDB entities	34
Chains and sequence ranges	Author chain SF； PDBConstruct 1–261； UniProt 1–261

40S ribosomal protein S5

OrganismNot specified

UniProt P26783

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS5_YEAST
Isoform	—
PDB entities	35
Chains and sequence ranges	Author chain SG； PDBConstruct 1–225； UniProt 1–225

40S ribosomal protein S7-A

OrganismNot specified

UniProt P26786

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS7A_YEAST
Isoform	—
PDB entities	36
Chains and sequence ranges	Author chain SI； PDBConstruct 1–190； UniProt 1–190

40S ribosomal protein S8-A

OrganismNot specified

UniProt P0CX39

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8A_YEAST
Isoform	—
PDB entities	37
Chains and sequence ranges	Author chain SJ； PDBConstruct 1–200； UniProt 1–200

40S ribosomal protein S9-A

OrganismNot specified

UniProt O13516

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9A_YEAST
Isoform	—
PDB entities	38
Chains and sequence ranges	Author chain SK； PDBConstruct 1–197； UniProt 1–197

40S ribosomal protein S11-A

OrganismNot specified

UniProt P0CX47

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS11A_YEAST
Isoform	—
PDB entities	39
Chains and sequence ranges	Author chain SM； PDBConstruct 1–156； UniProt 1–156

40S ribosomal protein S13

OrganismNot specified

UniProt P05756

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_YEAST
Isoform	—
PDB entities	40
Chains and sequence ranges	Author chain SO； PDBConstruct 1–151； UniProt 1–151

40S ribosomal protein S14-A

OrganismNot specified

UniProt P06367

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14A_YEAST
Isoform	—
PDB entities	41
Chains and sequence ranges	Author chain SP； PDBConstruct 1–137； UniProt 1–137

40S ribosomal protein S16-A

OrganismNot specified

UniProt P0CX51

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS16A_YEAST
Isoform	—
PDB entities	42
Chains and sequence ranges	Author chain SR； PDBConstruct 1–143； UniProt 1–143

40S ribosomal protein S22-A

OrganismNot specified

UniProt P0C0W1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS22A_YEAST
Isoform	—
PDB entities	43
Chains and sequence ranges	Author chain SX； PDBConstruct 1–130； UniProt 1–130

40S ribosomal protein S23-A

OrganismNot specified

UniProt P0CX29

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS23A_YEAST
Isoform	—
PDB entities	44
Chains and sequence ranges	Author chain SY； PDBConstruct 1–145； UniProt 1–145

40S ribosomal protein S24-A

OrganismNot specified

UniProt P0CX31

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS24A_YEAST
Isoform	—
PDB entities	45
Chains and sequence ranges	Author chain SZ； PDBConstruct 1–135； UniProt 1–135

40S ribosomal protein S27-A

OrganismNot specified

UniProt P35997

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS27_YEAST
Isoform	—
PDB entities	46
Chains and sequence ranges	Author chain Sc； PDBConstruct 1–82； UniProt 1–82

40S ribosomal protein S28-A

OrganismNot specified

UniProt Q3E7X9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS28A_YEAST
Isoform	—
PDB entities	47
Chains and sequence ranges	Author chain Sd； PDBConstruct 1–67； UniProt 1–67

40S ribosomal protein S30-A

OrganismNot specified

UniProt P0CX33

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS30A_YEAST
Isoform	—
PDB entities	48
Chains and sequence ranges	Author chain Sf； PDBConstruct 1–63； UniProt 1–63

rRNA-processing protein FCF1

OrganismNot specified

UniProt Q05498

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 Ribosome biogenesis protein UTP30 × 1 （P36144） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FCF1_YEAST
Isoform	—
PDB entities	51
Chains and sequence ranges	Author chain U4； PDBConstruct 1–189； UniProt 1–189

Ribosome biogenesis protein UTP30

OrganismNot specified

UniProt P36144

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 55 RNA 3	U3 RNA × 1 ;rRNA 2'-O-methyltransferase fibrillarin ; × 2 （P15646） Nucleolar protein 56 × 1 （Q12460） Nucleolar protein 58 × 1 （Q12499） Ribosomal RNA-processing protein 9 × 1 （Q06506） 13 kDa ribonucleoprotein-associated protein × 2 （P39990） 5ETS RNA × 1 Utp4 × 1 Utp5 × 1 Utp8 × 1 Utp9 × 1 U3 small nucleolar RNA-associated protein 10 × 1 （P42945） Utp15 × 1 Utp17 × 1 Ribosome biogenesis protein BMS1 × 1 （Q08965） Periodic tryptophan protein 2 × 1 （P25635） U3 small nucleolar RNA-associated protein 12 × 1 （Q12220） U3 small nucleolar RNA-associated protein 13 × 1 （Q05946） U3 small nucleolar RNA-associated protein 18 × 1 （P40362） U3 small nucleolar RNA-associated protein 21 × 1 （Q06078） Ribosomal RNA-processing protein 7 × 1 （P25368） U3 small nucleolar RNA-associated protein 22 × 1 （P53254） Ribosomal RNA small subunit methyltransferase NEP1 × 2 （Q06287） Enp2 × 1 KRR1 small subunit processome component × 1 （P25586） U3 small nucleolar ribonucleoprotein protein IMP3 × 1 （P32899） U3 small nucleolar ribonucleoprotein protein IMP4 × 1 （P53941） Mpp10,U3 small nucleolar RNA-associated protein MPP10 × 1 （P47083） Pre-rRNA-processing protein PNO1 × 1 （Q99216） ;RNA 3'-terminal phosphate cyclase-like protein ; × 1 （Q08096） Sof1 × 1 18S ribosomal RNA × 1 40S ribosomal protein S1-A × 1 （P33442） 40S ribosomal protein S4-A × 1 （P0CX35） 40S ribosomal protein S5 × 1 （P26783） 40S ribosomal protein S7-A × 1 （P26786） 40S ribosomal protein S8-A × 1 （P0CX39） 40S ribosomal protein S9-A × 1 （O13516） 40S ribosomal protein S11-A × 1 （P0CX47） 40S ribosomal protein S13 × 1 （P05756） 40S ribosomal protein S14-A × 1 （P06367） 40S ribosomal protein S16-A × 1 （P0CX51） 40S ribosomal protein S22-A × 1 （P0C0W1） 40S ribosomal protein S23-A × 1 （P0CX29） 40S ribosomal protein S24-A × 1 （P0CX31） 40S ribosomal protein S27-A × 1 （P35997） 40S ribosomal protein S28-A × 1 （Q3E7X9） 40S ribosomal protein S30-A × 1 （P0CX33） Utp7 × 1 Utp11 × 1 rRNA-processing protein FCF1 × 1 （Q05498） Helical domain protein × 1 Helical domain protein × 1 Unassigned helices × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL1D1_YEAST
Isoform	—
PDB entities	52
Chains and sequence ranges	Author chain U5； PDBConstruct 1–274； UniProt 1–274

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	5wyk
Deposition date deposition_date	2017-01-13
Structure title title	Cryo-EM structure of the 90S small subunit pre-ribosome (Mtr4-depleted, Enp1-TAP)
Keywords keywords	ribosome, 90S, pre-ribosome, protein-RNA complex; RIBOSOME
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5wyk__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5wyk__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5wyk__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	0.00 Å
Rg (electron density)	108.20 Å
Total Rg	107.80 Å
Atom count	150760
Residues	18166
Excluded volume	2534500 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5wyk__assembly_1__model_1`	58-meric （58）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (55)

Entity 1 Entity 1 polymer

Description description	U3 RNA
Molecular weight formula_weight	106503.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	3A
Atom count atom_count	150760

GUCGACGUACUUCAUAGGAUCAUUUCUAUAGGAAUCGUCACUCUUUGACUCUUCAAAAGAGCCACUGAAUCCAACUUGGUUGAUGAGUCCCAUAACCUUUGUACCCCAGAGUGAGAAACCGAAAUUGAAUCUAAAUUAGCUUGGUCCGCAAUCCUUAGCGGUUCGGCCAUCUAUAAUUUUGAAUAAAAAUUUUGCUUUGCCGUUGCAUUUGUAGUUUUUUCCUUUGGAAGUAAUUACAAUAUUUUAUGGCGCGAUGAUCUUGACCCAUCCUAUGUACUUCUUUUUUGAAGGGAUAGGGCUCUAUGGGUGGGUACAAAUGGCAGUCUGACAAGU

Entity 2 Entity 2 polymer

Description description	;rRNA 2'-O-methyltransferase fibrillarin ;
Molecular weight formula_weight	34525.4 kDa
EC 编号 ec_number	2.1.1.-
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3B,3C

MSFRPGSRGGSRGGSRGGFGGRGGSRGGARGGSRGGFGGRGGSRGGARGGSRGGFGGRGGSRGGARGGSRGGRGGAAGGARGGAKVVIEPHRHAGVYIARGKEDLLVTKNMAPGESVYGEKRISVEEPSKEDGVPPTKVEYRVWNPFRSKLAAGIMGGLDELFIAPGKKVLYLGAASGTSVSHVSDVVGPEGVVYAVEFSHRPGRELISMAKKRPNIIPIIEDARHPQKYRMLIGMVDCVFADVAQPDQARIIALNSHMFLKDQGGVVISIKANCIDSTVDAETVFAREVQKLREERIKPLEQLTLEPYERDHCIVVGRYMRSGLKK

Entity 3 Entity 3 polymer

Description description	Nucleolar protein 56
Molecular weight formula_weight	56961.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3D

MAPIEYLLFEEPTGYAVFKVKLQQDDIGSRLKEVQEQINDFGAFTKLIELVSFAPFKGAAEALENANDISEGLVSESLKAILDLNLPKASSKKKNITLAISDKNLGPSIKEEFPYVDCISNELAQDLIRGVRLHGEKLFKGLQSGDLERAQLGLGHAYSRAKVKFSVQKNDNHIIQAIALLDQLDKDINTFAMRVKEWYGWHFPELAKLVPDNYTFAKLVLFIKDKASLNDDSLHDLAALLNEDSGIAQRVIDNARISMGQDISETDMENVCVFAQRVASLADYRRQLYDYLCEKMHTVAPNLSELIGEVIGARLISHAGSLTNLSKQAASTVQILGAEKALFRALKTKGNTPKYGLIYHSGFISKASAKNKGRISRYLANKCSMASRIDNYSEEPSNVFGSVLKKQVEQRLEFYNTGKPTLKNELAIQEAMELYNKDKPAAEVEETKEKESSKKRKLEDDDEEKKEKKEKKSKKEKKEKKEKKDKKEKKDKKEKKDKKKKSKD

Entity 4 Entity 4 polymer

Description description	Nucleolar protein 58
Molecular weight formula_weight	57060.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3E

MAYVLTETSAGYALLKASDKKIYKSSSLIQDLDSSDKVLKEFKIAAFSKFNSAANALEEANSIIEGKVSSQLEKLLEEIKKDKKSTLIVSETKLANAINKLGLNFNVVSDAVTLDIYRAIKEYLPELLPGMSDNDLSKMSLGLAHSIGRHKLKFSADKVDVMIIQAIALLDDLDKELNTYAMRCKEWYGWHFPELAKIVTDSVAYARIILTMGIRSKASETDLSEILPEEIEERVKTAAEVSMGTEITQTDLDNINALAEQIVEFAAYREQLSNYLSARMKAIAPNLTQLVGELVGARLIAHSGSLISLAKSPASTIQILGAEKALFRALKTKHDTPKYGLLYHASLVGQATGKNKGKIARVLAAKAAVSLRYDALAEDRDDSGDIGLESRAKVENRLSQLEGRDLRTTPKVVREAKKVEMTEARAYNADADTAKAASDSESDSDDEEEEKKEKKEKKRKRDDDEDSKDSKKAKKEKKDKKEKKEKKEKKEKKEKKEKKEKKSKKEKKEKK

Entity 5 Entity 5 polymer

Description description	Ribosomal RNA-processing protein 9
Molecular weight formula_weight	65147.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3F

MSDVTQQKKRKRSKGEVNPSKPTVDEEITDPSSNEDEQLEVSDEEDALESEEEFEGENPADKRRRLAKQYLENLKSEANDILTDNRNAEEKDLNNLKERTIDEYNNFDAGDLDKDIIASRLKEDVAEQQGRVFRYFGDKLLISEAKQSFTRVGENNLTCISCFQPVLNKYTFEESSNGDKNKGRLFAYTVSKDLQLTKYDITDFSKRPKKLKYAKGGAKYIPTSKHEYENTTEGHYDEILTVAASPDGKYVVTGGRDRKLIVWSTESLSPVKVIPTKDRRGEVLSLAFRKNSDQLYASCADFKIRTYSINQFSQLEILYGHHDIVEDISALAMERCVTVGARDRTAMLWKIPDETRLTFRGGDEPQKLLRRWMKENAKEGEDGEVKYPDESEAPLFFCEGSIDVVSMVDDFHFITGSDNGNICLWSLAKKKPIFTERIAHGILPEPSFNDISGETDEELRKRQLQGKKLLQPFWITSLYAIPYSNVFISGSWSGSLKVWKISDNLRSFELLGELSGAKGVVTKIQVVESGKHGKEKFRILASIAKEHRLGRWIANVSGARNGIYSAVIDQTGF

Entity 6 Entity 6 polymer

Description description	13 kDa ribonucleoprotein-associated protein
Molecular weight formula_weight	13582.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3G,3H

MSAPNPKAFPLADAALTQQILDVVQQAANLRQLKKGANEATKTLNRGISEFIIMAADCEPIEILLHLPLLCEDKNVPYVFVPSRVALGRACGVSRPVIAASITTNDASAIKTQIYAVKDKIETLLI

Entity 7 Entity 7 polymer

Description description	5ETS RNA
Molecular weight formula_weight	225543.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	5A

AUGCGAAAGCAGUUGAAGACAAGUUCGAAAAGAGUUUGGAAACGAAUUCGAGUAGGCUUGUCGUUCGUUAUGUUUUUGUAAAUGGCCUCGUCAAACGGUGGAGAGAGUCGCUAGGUGAUCGUCAGAUCUGCCUAGUCUCUAUACAGCGUGUUUAAUUGACAUGGGUUGAUGCGUAUUGAGAGAUACAAUUUGGGAAGAAAUUCCCAGAGUGUGUUUCUUUUGCGUUUAACCUGAACAGUCUCAUCGUGGGCAUCUUGCGAUUCCAUUGGUGAGCAGCGAAGGAUUUGGUGGAUUACUAGCUAAUAGCAAUCUAUUUCAAAGAAUUCAAACUUGGGGGAAUGCCUUGUUGAAUAGCCGGUCGCAAGACUGUGAUUCUUCAAGUGUAACCUCCUCUCAAAUCAGCGAUAUCAAACGUACCAUUCCGUGAAACACCGGGGUAUCUGUUUGGUGGAACCUGAUUAGAGGAAACUCAAAGAGUGCUAUGGUAUGGUGACGGAGUGCGCUGGUCAAGAGUGUAAAAGCUUUUUGAACAGAGAGCAUUUCCGGCAGCAGAGAGACCUGAAAAAGCAAUUUUUCUGGAAUUUCAGCUGUUUCCAAACUCAAUAAGUAUCUUCUAGCAAGAGGGAAUAGGUGGGAAAAAAAAAAAGAGAUUUCGGUUUCUUUCUUUUUUACUGCUUGUUGCUUCUUCUUUUAAGAUAGU

Entity 8 Entity 8 polymer

Description description	Utp4
Molecular weight formula_weight	66059.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AA

Entity 9 Entity 9 polymer

Description description	Utp5
Molecular weight formula_weight	54740.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AB

Entity 10 Entity 10 polymer

Description description	Utp8
Molecular weight formula_weight	60697.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AC

Entity 11 Entity 11 polymer

Description description	Utp9
Molecular weight formula_weight	48953.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AD

Entity 12 Entity 12 polymer

Description description	U3 small nucleolar RNA-associated protein 10
Molecular weight formula_weight	200299.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AE

MSSLSDQLAQVASNNATVALDRKRRQKLHSASLIYNSKTAATQDYDFIFENASKALEELSQIEPKFAIFSRTLFSESSISLDRNVQTKEEIKDLDNAINAYLLLASSKWYLAPTLHATEWLVRRFQIHVKNTEMLLLSTLNYYQTPVFKRILSIIKLPPLFNCLSNFVRSEKPPTALTMIKLFNDMDFLKLYTSYLDQCIKHNATYTNQLLFTTCCFINVVAFNSNNDEKLNQLVPILLEISAKLLASKSKDCQIAAHTILVVFATALPLKKTIILAAMETILSNLDAKEAKHSALLTICKLFQTLKGQGNVDQLPSKIFKLFDSKFDTVSILTFLDKEDKPVCDKFITSYTRSIARYDRSKLNIILSLLKKIRLERYEVRLIITDLIYLSEILEDKSQLVELFEYFISINEDLVLKCLKSLGLTGELFEIRLTTSLFTNADVNTDIVKQLSDPVETTKKDTASFQTFLDKHSELINTTNVSMLTETGERYKKVLSLFTEAIGKGYKASSFLTSFFTTLESRITFLLRVTISPAAPTALKLISLNNIAKYINSIEKEVNIFTLVPCLICALRDASIKVRTGVKKILSLIAKRPSTKHYFLSDKLYGENVTIPMLNPKDSEAWLSGFLNEYVTENYDISRILTPKRNEKVFLMFWANQALLIPSPYAKTVLLDNLNKSPTYASSYSSLFEEFISHYLENRSSWEKSCIANKTNFEHFERSLVNLVSPKEKQSFMIDFVLSALNSDYEQLANIAAERLISIFASLNNAQKLKIVQNIVDSSSNVESSYDTVGVLQSLPLDSDIFVSILNQNSISNEMDQTDFSKRRRRRSSTSKNAFLKEEVSQLAELHLRKLTIILEALDKVRNVGSEKLLFTLLSLLSDLETLDQDGGLPVLYAQETLISCTLNTITYLKEHGCTELTNVRADILVSAIRNSASPQVQNKLLLVIGSLATLSSEVILHSVMPIFTFMGAHSIRQDDEFTTKVVERTILTVVPALIKNSKGNEKEEMEFLLLSFTTALQHVPRHRRVKLFSTLIKTLDPVKALGSFLFLIAQQYSSALVNFKIGEARILIEFIKALLVDLHVNEELSGLNDLLDIIKLLTSSKSSSEKKKSLESRVLFSNGVLNFSESEFLTFMNNTFEFINKITEETDQDYYDVRRNLRLKVYSVLLDETSDKKLIRNIREEFGTLLEGVLFFINSVELTFSCITSQENEEASDSETSLSDHTTEIKEILFKVLGNVLQILPVDEFVNAVLPLLSTSTNEDIRYHLTLVIGSKFELEGSEAIPIVNNVMKVLLDRMPLESKSVVISQVILNTMTALVSKYGKKLEGSILTQALTLATEKVSSDMTEVKISSLALITNCVQVLGVKSIAFYPKIVPPSIKLFDASLADSSNPLKEQLQVAILLLFAGLIKRIPSFLMSNILDVLHVIYFSREVDSSIRLSVISLIIENIDLKEVLKVLFRIWSTEIATSNDTVAVSLFLSTLESTVENIDKKSATSQSPIFFKLLLSLFEFRSISSFDNNTISRIEASVHEISNSYVLKMNDKVFRPLFVILVRWAFDGEGVTNAGITETERLLAFFKFFNKLQENLRGIITSYFTYLLEPVDMLLKRFISKDMENVNLRRLVINSLTSSLKFDRDEYWKSTSRFELISVSLVNQLSNIENSIGKYLVKAIGALASNNSGVDEHNQILNKLIVEHMKASCSSNEKLWAIRAMKLIYSKIGESWLVLLPQLVPVIAELLEDDDEEIEREVRTGLVKVVENVLGEPFDRYLD

Entity 13 Entity 13 polymer

Description description	Utp15
Molecular weight formula_weight	43676.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AF

Entity 14 Entity 14 polymer

Description description	Utp17
Molecular weight formula_weight	76271.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	AG

Entity 15 Entity 15 polymer

Description description	Ribosome biogenesis protein BMS1
Molecular weight formula_weight	135792.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B1

MEQSNKQHRKAKEKNTAKKKLHTQGHNAKAFAVAAPGKMARTMQRSSDVNERKLHVPMVDRTPEDDPPPFIVAVVGPPGTGKTTLIRSLVRRMTKSTLNDIQGPITVVSGKHRRLTFLECPADDLNAMIDIAKIADLVLLLIDGNFGFEMETMEFLNIAQHHGMPRVLGVATHLDLFKSQSTLRASKKRLKHRFWTEVYQGAKLFYLSGVINGRYPDREILNLSRFISVMKFRPLKWRNEHPYMLADRFTDLTHPELIETQGLQIDRKVAIYGYLHGTPLPSAPGTRVHIAGVGDFSVAQIEKLPDPCPTPFYQQKLDDFEREKMKEEAKANGEITTASTTRRRKRLDDKDKLIYAPMSDVGGVLMDKDAVYIDIGKKNEEPSFVPGQERGEGEKLMTGLQSVEQSIAEKFDGVGLQLFSNGTELHEVADHEGMDVESGEESIEDDEGKSKGRTSLRKPRIYGKPVQEEDADIDNLPSDEEPYTNDDDVQDSEPRMVEIDFNNTGEQGAEKLALETDSEFEESEDEFSWERTAANKLKKTESKKRTWNIGKLIYMDNISPEECIRRWRGEDDDSKDESDIEEDVDDDFFRKKDGTVTKEGNKDHAVDLEKFVPYFDTFEKLAKKWKSVDAIKERFLGAGILGNDNKTKSDSNEGGEELYGDFEDLEDGNPSEQAEDNSDKESEDEDENEDTNGDDDNSFTNFDAEEKKDLTMEQEREMNAAKKEKLRAQFEIEEGENFKEDDENNEYDTWYELQKAKISKQLEINNIEYQEMTPEQRQRIEGFKAGSYVRIVFEKVPMEFVKNFNPKFPIVMGGLLPTEIKFGIVKARLRRHRWHKKILKTNDPLVLSLGWRRFQTLPIYTTTDSRTRTRMLKYTPEHTYCNAAFYGPLCSPNTPFCGVQIVANSDTGNGFRIAATGIVEEIDVNIEIVKKLKLVGFPYKIFKNTAFIKDMFSSAMEVARFEGAQIKTVSGIRGEIKRALSKPEGHYRAAFEDKILMSDIVILRSWYPVRVKKFYNPVTSLLLKEKTEWKGLRLTGQIRAAMNLETPSNPDSAYHKIERVERHFNGLKVPKAVQKELPFKSQIHQMKPQKKKTYMAKRAVVLGGDEKKARSFIQKVLTISKAKDSKRKEQKASQRKERLKKLAKMEEEKSQRDKEKKKEYFAQNGKRTTMGGDDESRPRKMRR

Entity 16 Entity 16 polymer

Description description	Periodic tryptophan protein 2
Molecular weight formula_weight	104097.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BA

MKSDFKFSNLLGTVYRQGNITFSDDGKQLLSPVGNRVSVFDLINNKSFTFEYEHRKNIAAIDLNKQGTLLISIDEDGRAILVNFKARNVLHHFNFKEKCSAVKFSPDGRLFALASGRFLQIWKTPDVNKDRQFAPFVRHRVHAGHFQDITSLTWSQDSRFILTTSKDLSAKIWSVDSEEKNLAATTFNGHRDYVMGAFFSHDQEKIYTVSKDGAVFVWEFTKRPSDDDDNESEDDDKQEEVDISKYSWRITKKHFFYANQAKVKCVTFHPATRLLAVGFTSGEFRLYDLPDFTLIQQLSMGQNPVNTVSVNQTGEWLAFGSSKLGQLLVYEWQSESYILKQQGHFDSTNSLAYSPDGSRVVTASEDGKIKVWDITSGFCLATFEEHTSSVTAVQFAKRGQVMFSSSLDGTVRAWDLIRYRNFRTFTGTERIQFNCLAVDPSGEVVCAGSLDNFDIHVWSVQTGQLLDALSGHEGPVSCLSFSQENSVLASASWDKTIRIWSIFGRSQQVEPIEVYSDVLALSMRPDGKEVAVSTLKGQISIFNIEDAKQVGNIDCRKDIISGRFNQDRFTAKNSERSKFFTTIHYSFDGMAIVAGGNNNSICLYDVPNEVLLKRFIVSRNMALNGTLEFLNSKKMTEAGSLDLIDDAGENSDLEDRIDNSLPGSQRGGDLSTRKMRPEVRVTSVQFSPTANAFAAASTEGLLIYSTNDTILFDPFDLDVDVTPHSTVEALREKQFLNALVMAFRLNEEYLINKVYEAIPIKEIPLVASNIPAIYLPRILKFIGDFAIESQHIEFNLIWIKALLSASGGYINEHKYLFSTAMRSIQRFIVRVAKEVVNTTTDNKYTYRFLVSTDGSMEDGAADDDEVLLKDDADEDNEENEENDVVMESDDEEGWIGFNGKDNKLPLSNENDSSDEEENEKELP

Entity 17 Entity 17 polymer

Description description	U3 small nucleolar RNA-associated protein 12
Molecular weight formula_weight	106481.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BB

MVKSYQRFEQAAAFGVIASNANCVWIPASSGNSNGSGPGQLITSALEDVNIWDIKTGDLVSKLSDGLPPGASDARGAKPAECTYLEAHKDTDLLAVGYADGVIKVWDLMSKTVLLNFNGHKAAITLLQFDGTGTRLISGSKDSNIIVWDLVGEVGLYKLRSHKDSITGFWCQGEDWLISTSKDGMIKLWDLKTHQCIETHIAHTGECWGLAVKDDLLITTGTDSQVKIWKLDIENDKMGGKLTEMGIFEKQSKQRGLKIEFITNSSDKTSFFYIQNADKTIETFRIRKEEEIARGLKKREKRLKEKGLTEEEIAKSIKESYSSFILHPFQTIRSLYKIKSASWTTVSSSKLELVLTTSSNTIEYYSIPYEKRDPTSPAPLKTHTIELQGQRTDVRSIDISDDNKLLATASNGSLKIWNIKTHKCIRTFECGYALTCKFLPGGLLVILGTRNGELQLFDLASSSLLDTIEDAHDAAIWSLDLTSDGKRLVTGSADKTVKFWDFKVENSLVPGTKNKFLPVLKLHHDTTLELTDDILCVRVSPDDRYLAISLLDNTVKVFFLDSMKFYLSLYGHKLPVLSIDISFDSKMIITSSADKNIKIWGLDFGDCHKSLFAHQDSIMNVKFLPQSHNFFSCSKDAVVKYWDGEKFECIQKLYAHQSEVWALAVATDGGFVVSSSHDHSIRIWEETEDQVFLEEEKEKELEEQYEDTLLTSLEEGNGDDAFKADASGEGVEDEASGVHKQTLESLKAGERLMEALDLGIAEIEGLEAYNRDMKLWQRKKLGEAPIKPQGNAVLIAVNKTPEQYIMDTLLRIRMSQLEDALMVMPFSYVLKFLKFIDTVMQNKTLLHSHLPLICKNLFFIIKFNHKELVSQKNEELKLQINRVKTELRSALKSTEDDLGFNVQGLKFVKQQWNLRHNYEFVDEYDQQEKESNSARKRVFGTVI

Entity 18 Entity 18 polymer

Description description	U3 small nucleolar RNA-associated protein 13
Molecular weight formula_weight	91132.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BC

MDLKTSYKGISLNPIYAGSSAVATVSENGKILATPVLDEINIIDLTPGSRKILHKISNEDEQEITALKLTPDGQYLTYVSQAQLLKIFHLKTGKVVRSMKISSPSYILDADSTSTLLAVGGTDGSIIVVDIENGYITHSFKGHGGTISSLKFYGQLNSKIWLLASGDTNGMVKVWDLVKRKCLHTLQEHTSAVRGLDIIEVPDNDEPSLNLLSGGRDDIINLWDFNMKKKCKLLKTLPVNQQVESCGFLKDGDGKRIIYTAGGDAIFQLIDSESGSVLKRTNKPIEELFIIGVLPILSNSQMFLVLSDQTLQLINVEEDLKNDEDTIQVTSSIAGNHGIIADMRYVGPELNKLALATNSPSLRIIPVPDLSGPEASLPLDVEIYEGHEDLLNSLDATEDGLWIATASKDNTAIVWRYNENSCKFDIYAKYIGHSAAVTAVGLPNIVSKGYPEFLLTASNDLTIKKWIIPKPTASMDVQIIKVSEYTRHAHEKDINALSVSPNDSIFATASYDKTCKIWNLENGELEATLANHKRGLWDVSFCQYDKLLATSSGDKTVKIWSLDTFSVMKTLEGHTNAVQRCSFINKQKQLISCGADGLIKIWDCSSGECLKTLDGHNNRLWALSTMNDGDMIVSADADGVFQFWKDCTEQEIEEEQEKAKLQVEQEQSLQNYMSKGDWTNAFLLAMTLDHPMRLFNVLKRALGESRSRQDTEEGKIEVIFNEELDQAISILNDEQLILLMKRCRDWNTNAKTHTIAQRTIRCILMHHNIAKLSEIPGMVKIVDAIIPYTQRHFTRVDNLVEQSYILDYALVEMDKLF

Entity 19 Entity 19 polymer

Description description	U3 small nucleolar RNA-associated protein 18
Molecular weight formula_weight	66494.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BD

MTMATTAMNVSVPPPDEEEQLLAKFVFGDTTDLQENLAKFNADFIFNEQEMDVEDQEDEGSESDNSEEDEAQNGELDHVNNDQLFFVDDGGNEDSQDKNEDTMDVDDEDDSSSDDYSEDSEEAAWIDSDDEKIKVPILVTNKTKKLRTSYNESKINGVHYINRLRSQFEKIYPRPKWVDDESDSELDDEEDDEEEGSNNVINGDINALTKILSTTYNYKDTLSNSKLLPPKKLDIVRLKDANASHPSHSAIQSLSFHPSKPLLLTGGYDKTLRIYHIDGKTNHLVTSLHLVGSPIQTCTFYTSLSNQNQQNIFTAGRRRYMHSWDLSLENLTHSQTAKIEKFSRLYGHESTQRSFENFKVAHLQNSQTNSVHGIVLLQGNNGWINILHSTSGLWLMGCKIEGVITDFCIDYQPISRGKFRTILIAVNAYGEVWEFDLNKNGHVIRRWKDQGGVGITKIQVGGGTTTTCPALQISKIKQNRWLAVGSESGFVNLYDRNNAMTSSTPTPVAALDQLTTTISNLQFSPDGQILCMASRAVKDALRLVHLPSCSVFSNWPTSGTPLGKVTSVAFSPSGGLLAVGNEQGKVRLWKLNHY

Entity 20 Entity 20 polymer

Description description	U3 small nucleolar RNA-associated protein 21
Molecular weight formula_weight	104927.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BE

MSIDLKKRKVEEDVRSRGKNSKIFSPFRIIGNVSNGVPFATGTLGSTFYIVTCVGKTFQIYDANTLHLLFVSEKETPSSIVALSAHFHYVYAAYENKVGIYKRGIEEHLLELETDANVEHLCIFGDYLCASTDDNSIFIYKKSDPQDKYPSEFYTKLTVTEIQGGEIVSLQHLATYLNKLTVVTKSNVLLFNVRTGKLVFTSNEFPDQITTAEPAPVLDIIALGTVTGEVIMFNMRKGKRIRTIKIPQSRISSLSFRTDGSSHLSVGTSSGDLIFYDLDRRSRIHVLKNIHRESYGGVTQATFLNGQPIIVTSGGDNSLKEYVFDPSLSQGSGDVVVQPPRYLRSRGGHSQPPSYIAFADSQSHFMLSASKDRSLWSFSLRKDAQSQEMSQRLHKKQDGGRVGGSTIKSKFPEIVALAIENARIGEWENIITAHKDEKFARTWDMRNKRVGRWTFDTTDDGFVKSVAMSQCGNFGFIGSSNGSITIYNMQSGILRKKYKLHKRAVTGISLDGMNRKMVSCGLDGIVGFYDFNKSTLLGKLKLDAPITAMVYHRSSDLFALALDDLSIVVIDAVTQRVVRQLWGHSNRITAFDFSPEGRWIVSASLDSTIRTWDLPTGGCIDGIIVDNVATNVKFSPNGDLLATTHVTGNGICIWTNRAQFKTVSTRTIDESEFARMALPSTSVRGNDSMLSGALESNGGEDLNDIDFNTYTSLEQIDKELLTLSIGPRSKMNTLLHLDVIRKRSKPKEAPKKSEKLPFFLQLSGEKVGDEASVREGIAHETPEEIHRRDQEAQKKLDAEEQMNKFKVTGRLGFESHFTKQLREGSQSKDYSSLLATLINFSPAAVDLEIRSLNSFEPFDEIVWFIDALTQGLKSNKNFELYETFMSLLFKAHGDVIHANNKNQDIASALQNWEDVHKKEDRLDDLVKFCMGVAAFVTTA

Entity 21 Entity 21 polymer

Description description	Ribosomal RNA-processing protein 7
Molecular weight formula_weight	34526.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	CA

MGIEDISAMKNGFIVVPFKLPDHKALPKSQEASLHFMFAKRHQSSNSNESDCLFLVNLPLLSNIEHMKKFVGQLCGKYDTVSHVEELLYNDEFGLHEVDLSALTSDLMSSTDVNEKRYTPRNTALLKFVDAASINNCWNALKKYSNLHAKHPNELFEWTYTTPSFTTFVNFYKPLDIDYLKEDIHTHMAIFEQREAQAQEDVQSSIVDEDGFTLVVGKNTKSLNSIRKKILNKNPLSKHENKAKPISNIDKKAKKDFYRFQVRERKKQEINQLLSKFKEDQERIKVMKAKRKFNPYT

Entity 22 Entity 22 polymer

Description description	U3 small nucleolar RNA-associated protein 22
Molecular weight formula_weight	140660.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	CB

MATSVKRKASETSDQNIVKVQKKHSTQDSTTDNGSKENDHSSQAINERTVPEQENDESDTSPESNEVATNTAATRHNGKVTATESYDIHIARETAELFKSNIFKLQIDELLEQVKLKQKHVLKVEKFLHKLYDILQEIPDWEEKSLAEVDSFFKNKIVSVPFVDPKPIPQNTNYKFNYKKPDISLIGSFALKAGIYQPNGSSIDTLLTMPKELFEKKDFLNFRCLHKRSVYLAYLTHHLLILLKKDKLDSFLQLEYSYFDNDPLLPILRISCSKPTGDSLSDYNFYKTRFSINLLIGFPYKVFEPKKLLPNRNCIRIAQESKEQSLPATPLYNFSVLSSSTHENYLKYLYKTKKQTESFVEATVLGRLWLQQRGFSSNMSHSGSLGGFGTFEFTILMAALLNGGGINSNKILLHGFSSYQLFKGVIKYLATMDLCHDGHLQFHSNPENSSSSPASKYIDEGFQTPTLFDKSTKVNILTKMTVSSYQILKEYAGETLRMLNNVVQDQFSNIFLTNISRFDNLKYDLCYDVQLPLGKYNNLETSLAATFGSMERVKFITLENFLAHKITNVARYALGDRIKYIQIEMVGQKSDFPITKRKVYSNTGGNHFNFDFVRVKLIVNPSECDKLVTKGPAHSETMSTEAAVFKNFWGIKSSLRRFKDGSITHCCVWSTSSSEPIISSIVNFALQKHVSKKAQISNETIKKFHNFLPLPNLPSSAKTSVLNLSSFFNLKKSFDDLYKIIFQMKLPLSVKSILPVGSAFRYTSLCQPVPFAYSDPDFFQDVILEFETSPKWPDEITSLEKAKTAFLLKIQEELSANSSTYRSFFSRDESIPYNLEIVTLNILTPEGYGFKFRVLTERDEILYLRAIANARNELKPELEATFLKFTAKYLASVRHTRTLENISHSYQFYSPVVRLFKRWLDTHLLLGHITDELAELIAIKPFVDPAPYFIPGSLENGFLKVLKFISQWNWKDDPLILDLVKPEDDIRDTFETSIGAGSELDSKTMKKLSERLTLAQYKGIQMNFTNLRNSDPNGTHLQFFVASKNDPSGILYSSGIPLPIATRLTALAKVAVNLLQTHGLNQQTINLLFTPGLKDYDFVVDLRTPIGLKSSCGILSATEFKNITNDQAPSNFPENLNDLSEKMDPTYQLVKYLNLKYKNSLILSSRKYIGVNGGEKGDKNVITGLIKPLFKGAHKFRVNLDCNVKPVDDENVILNKEAIFHEIAAFGNDMVINFETD

Entity 23 Entity 23 polymer

Description description	Ribosomal RNA small subunit methyltransferase NEP1
Molecular weight formula_weight	27936.5 kDa
EC 编号 ec_number	2.1.1.260
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E1,E2

MVEDSRVRDALKGGDQKALPASLVPQAPPVLTSKDKITKRMIVVLAMASLETHKISSNGPGGDKYVLLNCDDHQGLLKKMGRDISEARPDITHQCLLTLLDSPINKAGKLQVYIQTSRGILIEVNPTVRIPRTFKRFSGLMVQLLHKLSIRSVNSEEKLLKVIKNPITDHLPTKCRKVTLSFDAPVIRVQDYIEKLDDDESICVFVGAMARGKDNFADEYVDEKVGLSNYPLSASVACSKFCHGAEDAWNIL

Entity 24 Entity 24 polymer

Description description	Enp2
Molecular weight formula_weight	60187.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E4

Entity 25 Entity 25 polymer

Description description	KRR1 small subunit processome component
Molecular weight formula_weight	37226.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K1

MVSTHNRDKPWDTDDIDKWKIEEFKEEDNASGQPFAEESSFMTLFPKYRESYLKTIWNDVTRALDKHNIACVLDLVEGSMTVKTTRKTYDPAIILKARDLIKLLARSVPFPQAVKILQDDMACDVIKIGNFVTNKERFVKRRQRLVGPNGNTLKALELLTKCYILVQGNTVSAMGPFKGLKEVRRVVEDCMKNIHPIYHIKELMIKRELAKRPELANEDWSRFLPMFKKRNVARKKPKKIRNVEKKVYTPFPPAQLPRKVDLEIESGEYFLSKREKQMKKLNEQKEKQMEREIERQEERAKDFIAPEEEAYKPNQN

Entity 26 Entity 26 polymer

Description description	U3 small nucleolar ribonucleoprotein protein IMP3
Molecular weight formula_weight	21928.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	MA

MVRKLKHHEQKLLKKVDFLEWKQDQGHRDTQVMRTYHIQNREDYHKYNRICGDIRRLANKLSLLPPTDPFRRKHEQLLLDKLYAMGVLTTKSKISDLENKVTVSAICRRRLPVIMHRLKMAETIQDAVKFIEQGHVRVGPNLINDPAYLVTRNMEDYVTWVDNSKIKKTLLRYRNQIDDFDFS

Entity 27 Entity 27 polymer

Description description	U3 small nucleolar ribonucleoprotein protein IMP4
Molecular weight formula_weight	33536.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	MB

MLRRQARERREYLYRKAQELQDSQLQQKRQIIKQALAQGKPLPKELAEDESLQKDFRYDQSLKESEEADDLQVDDEYAATSGIMDPRIIVTTSRDPSTRLSQFAKEIKLLFPNAVRLNRGNYVMPNLVDACKKSGTTDLVVLHEHRGVPTSLTISHFPHGPTAQFSLHNVVMRHDIINAGNQSEVNPHLIFDNFTTALGKRVVCILKHLFNAGPKKDSERVITFANRGDFISVRQHVYVRTREGVEIAEVGPRFEMRLFELRLGTLENKDADVEWQLRRFIRTANKKDYL

Entity 28 Entity 28 polymer

Description description	Mpp10,U3 small nucleolar RNA-associated protein MPP10
Molecular weight formula_weight	54937.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	MC

Entity 29 Entity 29 polymer

Description description	Pre-rRNA-processing protein PNO1
Molecular weight formula_weight	30380.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P1

MVAPTALKKATVTPVSGQDGGSSRIIGINNTESIDEDDDDDVLLDDSDNNTAKEEVEGEEGSRKTHESKTVVVDDQGKPRFTSASKTQGNKIKFESRKIMVPPHRMTPLRNSWTKIYPPLVEHLKLQVRMNLKTKSVELRTNPKFTTDPGALQKGADFIKAFTLGFDLDDSIALLRLDDLYIETFEVKDVKTLTGDHLSRAIGRIAGKDGKTKFAIENATRTRIVLADSKIHILGGFTHIRMARESVVSLILGSPPGKVYGNLRTVASRLKERY

Entity 30 Entity 30 polymer

Description description	;RNA 3'-terminal phosphate cyclase-like protein ;
Molecular weight formula_weight	40220.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R1

MSSSAPKYTTFQGSQNFRLRIVLATLSGKPIKIEKIRSGDLNPGLKDYEVSFLRLIESVTNGSVIEISYTGTTVIYRPGIIVGGASTHICPSSKPVGYFVEPMLYLAPFSKKKFSILFKGITASHNDAGIEAIKWGLMPVMEKFGVRECALHTLKRGSPPLGGGEVHLVVDSLIAQPITMHEIDRPIISSITGVAYSTRVSPSLVNRMIDGAKKVLKNLQCEVNITADVWRGENSGKSPGWGITLVAQSKQKGWSYFAEDIGDAGSIPEELGEKVACQLLEEISKSAAVGRNQLPLAIVYMVIGKEDIGRLRINKEQIDERFIILLRDIKKIFNTEVFLKPVDEADNEDMIATIKGIGFTNTSKKIA

Entity 31 Entity 31 polymer

Description description	Sof1
Molecular weight formula_weight	41634.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S1

Entity 32 Entity 32 polymer

Description description	18S ribosomal RNA
Molecular weight formula_weight	583636.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	SA

UAUCUGGUUGAUCCUGCCAGUAGUCAUAUGCUUGUCUCAAAGAUUAAGCCAUGCAUGUCUAAGUAUAAGCAAUUUAUACAGUGAAACUGCGAAUGGCUCAUUAAAUCAGUUAUCGUUUAUUUGAUAGUUCCUUUACUACAUGGUAUAACUGUGGUAAUUCUAGAGCUAAUACAUGCUUAAAAUCUCGACCCUUUGGAAGAGAUGUAUUUAUUAGAUAAAAAAUCAAUGUCUUCGGACUCUUUGAUGAUUCAUAAUAACUUUUCGAAUCGCAUGGCCUUGUGCUGGCGAUGGUUCAUUCAAAUUUCUGCCCUAUCAACUUUCGAUGGUAGGAUAGUGGCCUACCAUGGUUUCAACGGGUAACGGGGAAUAAGGGUUCGAUUCCGGAGAGGGAGCCUGAGAAACGGCUACCACAUCCAAGGAAGGCAGCAGGCGCGCAAAUUACCCAAUCCUAAUUCAGGGAGGUAGUGACAAUAAAUAACGAUACAGGGCCCAUUCGGGUCUUGUAAUUGGAAUGAGUACAAUGUAAAUACCUUAACGAGGAACAAUUGGAGGGCAAGUCUGGUGCCAGCAGCCGCGGUAAUUCCAGCUCCAAUAGCGUAUAUUAAAGUUGUUGCAGUUAAAAAGCUCGUAGUUGAACUUUGGGCCCGGUUGGCCGGUCCGAUUUUUUCGUGUACUGGAUUUCCAACGGGGCCUUUCCUUCUGGCUAACCUUGAGUCCUUGUGGCUCUUGGCGAACCAGGACUUUUACUUUGAAAAAAUUAGAGUGUUCAAAGCAGGCGUAUUGCUCGAAUAUAUUAGCAUGGAAUAAUAGAAUAGGACGUUUGGUUCUAUUUUGUUGGUUUCUAGGACCAUCGUAAUGAUUAAUAGGGACGGUCGGGGGCAUCAGUAUUCAAUUGUCAGAGGUGAAAUUCUUGGAUUUAUUGAAGACUAACUACUGCGAAAGCAUUUGCCAAGGACGUUUUCAUUAAUCAAGAACGAAAGUUAGGGGAUCGAAGAUGAUCAGAUACCGUCGUAGUCUUAACCAUAAACUAUGCCGACUAGGGAUCGGGUGGUGUUUUUUUAAUGACCCACUCGGCACCUUACGAGAAAUCAAAGUCUUUGGGUUCUGGGGGGAGUAUGGUCGCAAGGCUGAAACUUAAAGGAAUUGACGGAAGGGCACCACCAGGAGUGGAGCCUGCGGCUUAAUUUGACUCAACACGGGGAAACUCACCAGGUCCAGACACAAUAAGGAUUGACAGAUUGAGAGCUCUUUCUUGAUUUUGUGGGUGGUGGUGCAUGGCCGUUCUUAGUUGGUGGAGUGAUUUGUCUGCUUAAUUGCGAUAACGAACGAGACCUUAACCUACUAAAUAGUGGUGCUAGCAUUUGCUGGUUAUCCACUUCUUAGAGGGACUAUCGGUUUCAAGCCGAUGGAAGUUUGAGGCAAUAACAGGUCUGUGAUGCCCUUAGACGUUCUGGGCCGCACGCGCGCUACACUGACGGAGCCAGCGAGUCUAACCUUGGCCGAGAGGUCUUGGUAAUCUUGUGAAACUCCGUCGUGCUGGGGAUAGAGCAUUGUAAUUAUUGCUCUUCAACGAGGAAUUCCUAGUAAGCGCAAGUCAUCAGCUUGCGUUGAUUACGUCCCUGCCCUUUGUACACACCGCCCGUCGCUAGUACCGAUUGAAUGGCUUAGUGAGGCCUCAGGAUCUGCUUAGAGAAGGGGGCAACUCCAUCUCAGAGCGGAGAAUUUGGACAAACUUGGUCAUUUAGAGGAACUAAAAGUCGUAACAAGGUUUCCGUAGGUGAACCUGCGGAAGGAUCAUUAAAGAAAUUUAAU

Entity 33 Entity 33 polymer

Description description	40S ribosomal protein S1-A
Molecular weight formula_weight	28798.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SC

MAVGKNKRLSKGKKGQKKRVVDPFTRKEWFDIKAPSTFENRNVGKTLVNKSTGLKSASDALKGRVVEVCLADLQGSEDHSFRKIKLRVDEVQGKNLLTNFHGMDFTTDKLRSMVRKWQTLIEANVTVKTSDDYVLRIFAIAFTRKQANQVKRHSYAQSSHIRAIRKVISEILTKEVQGSTLAQLTSKLIPEVINKEIENATKDIFPLQNIHVRKVKLLKQPKFDVGALMALHGEGSGEEKGKKVTGFKDEVLETV

Entity 34 Entity 34 polymer

Description description	40S ribosomal protein S4-A
Molecular weight formula_weight	29469.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SF

MARGPKKHLKRLAAPHHWLLDKLSGCYAPRPSAGPHKLRESLPLIVFLRNRLKYALNGREVKAILMQRHVKVDGKVRTDTTYPAGFMDVITLDATNENFRLVYDVKGRFAVHRITDEEASYKLGKVKKVQLGKKGVPYVVTHDGRTIRYPDPNIKVNDTVKIDLASGKITDFIKFDAGKLVYVTGGRNLGRIGTIVHKERHDGGFDLVHIKDSLDNTFVTRLNNVFVIGEQGKPYISLPKGKGIKLSIAEERDRRRAQQGL

Entity 35 Entity 35 polymer

Description description	40S ribosomal protein S5
Molecular weight formula_weight	25072.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SG

MSDTEAPVEVQEDFEVVEEFTPVVLATPIPEEVQQAQTEIKLFNKWSFEEVEVKDASLVDYVQVRQPIFVAHTAGRYANKRFRKAQCPIIERLTNSLMMNGRNNGKKLKAVRIIKHTLDIINVLTDQNPIQVVVDAITNTGPREDTTRVGGGGAARRQAVDVSPLRRVNQAIALLTIGAREAAFRNIKTIAETLAEELINAAKGSSTSYAIKKKDELERVAKSNR

Entity 36 Entity 36 polymer

Description description	40S ribosomal protein S7-A
Molecular weight formula_weight	21658.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SI

MSAPQAKILSQAPTELELQVAQAFVELENSSPELKAELRPLQFKSIREIDVAGGKKALAIFVPVPSLAGFHKVQTKLTRELEKKFQDRHVIFLAERRILPKPSRTSRQVQKRPRSRTLTAVHDKILEDLVFPTEIVGKRVRYLVGGNKIQKVLLDSKDVQQIDYKLESFQAVYNKLTGKQIVFEIPSETH

Entity 37 Entity 37 polymer

Description description	40S ribosomal protein S8-A
Molecular weight formula_weight	22537.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SJ

MGISRDSRHKRSATGAKRAQFRKKRKFELGRQPANTKIGAKRIHSVRTRGGNKKYRALRIETGNFSWASEGISKKTRIAGVVYHPSNNELVRTNTLTKAAIVQIDATPFRQWFEAHYGQTLGKKKNVKEEETVAKSKNAERKWAARAASAKIESSVESQFSAGRLYACISSRPGQSGRCDGYILEGEELAFYLRRLTAKK

Entity 38 Entity 38 polymer

Description description	40S ribosomal protein S9-A
Molecular weight formula_weight	22487.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SK

MPRAPRTYSKTYSTPKRPYESSRLDAELKLAGEFGLKNKKEIYRISFQLSKIRRAARDLLTRDEKDPKRLFEGNALIRRLVRVGVLSEDKKKLDYVLALKVEDFLERRLQTQVYKLGLAKSVHHARVLITQRHIAVGKQIVNIPSFMVRLDSEKHIDFAPTSPFGGARPGRVARRNAARKAEASGEAADEADEADEE

Entity 39 Entity 39 polymer

Description description	40S ribosomal protein S11-A
Molecular weight formula_weight	17785.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SM

MSTELTVQSERAFQKQPHIFNNPKVKTSKRTKRWYKNAGLGFKTPKTAIEGSYIDKKCPFTGLVSIRGKILTGTVVSTKMHRTIVIRRAYLHYIPKYNRYEKRHKNVPVHVSPAFRVQVGDIVTVGQCRPISKTVRFNVVKVSAAAGKANKQFAKF

Entity 40 Entity 40 polymer

Description description	40S ribosomal protein S13
Molecular weight formula_weight	17059.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SO

MGRMHSAGKGISSSAIPYSRNAPAWFKLSSESVIEQIVKYARKGLTPSQIGVLLRDAHGVTQARVITGNKIMRILKSNGLAPEIPEDLYYLIKKAVSVRKHLERNRKDKDAKFRLILIESRIHRLARYYRTVAVLPPNWKYESATASALVN

Entity 41 Entity 41 polymer

Description description	40S ribosomal protein S14-A
Molecular weight formula_weight	14562.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SP

MSNVVQARDNSQVFGVARIYASFNDTFVHVTDLSGKETIARVTGGMKVKADRDESSPYAAMLAAQDVAAKCKEVGITAVHVKIRATGGTRTKTPGPGGQAALRALARSGLRIGRIEDVTPVPSDSTRKKGGRRGRRL

Entity 42 Entity 42 polymer

Description description	40S ribosomal protein S16-A
Molecular weight formula_weight	15877.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SR

MSAVPSVQTFGKKKSATAVAHVKAGKGLIKVNGSPITLVEPEILRFKVYEPLLLVGLDKFSNIDIRVRVTGGGHVSQVYAIRQAIAKGLVAYHQKYVDEQSKNELKKAFTSYDRTLLIADSRRPEPKKFGGKGARSRFQKSYR

Entity 43 Entity 43 polymer

Description description	40S ribosomal protein S22-A
Molecular weight formula_weight	14650.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SX

MTRSSVLADALNAINNAEKTGKRQVLIRPSSKVIIKFLQVMQKHGYIGEFEYIDDHRSGKIVVQLNGRLNKCGVISPRFNVKIGDIEKWTANLLPARQFGYVILTTSAGIMDHEEARRKHVSGKILGFVY

Entity 44 Entity 44 polymer

Description description	40S ribosomal protein S23-A
Molecular weight formula_weight	16073.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SY

MGKGKPRGLNSARKLRVHRRNNRWAENNYKKRLLGTAFKSSPFGGSSHAKGIVLEKLGIESKQPNSAIRKCVRVQLIKNGKKVTAFVPNDGCLNFVDENDEVLLAGFGRKGKAKGDIPGVRFKVVKVSGVSLLALWKEKKEKPRS

Entity 45 Entity 45 polymer

Description description	40S ribosomal protein S24-A
Molecular weight formula_weight	15362.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	SZ

MSDAVTIRTRKVISNPLLARKQFVVDVLHPNRANVSKDELREKLAEVYKAEKDAVSVFGFRTQFGGGKSVGFGLVYNSVAEAKKFEPTYRLVRYGLAEKVEKASRQQRKQKKNRDKKIFGTGKRLAKKVARRNAD

Entity 46 Entity 46 polymer

Description description	40S ribosomal protein S27-A
Molecular weight formula_weight	8893.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Sc

MVLVQDLLHPTAASEARKHKLKTLVQGPRSYFLDVKCPGCLNITTVFSHAQTAVTCESCSTILCTPTGGKAKLSEGTSFRRK

Entity 47 Entity 47 polymer

Description description	40S ribosomal protein S28-A
Molecular weight formula_weight	7605.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Sd

MDNKTPVTLAKVIKVLGRTGSRGGVTQVRVEFLEDTSRTIVRNVKGPVRENDILVLMESEREARRLR

Entity 48 Entity 48 polymer

Description description	40S ribosomal protein S30-A
Molecular weight formula_weight	7137.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Sf

MAKVHGSLARAGKVKSQTPKVEKTEKPKKPKGRAYKRLLYTRRFVNVTLVNGKRRMNPGPSVQ

Entity 49 Entity 49 polymer

Description description	Utp7
Molecular weight formula_weight	47166.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U1

Entity 50 Entity 50 polymer

Description description	Utp11
Molecular weight formula_weight	21294.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U2

Entity 51 Entity 51 polymer

Description description	rRNA-processing protein FCF1
Molecular weight formula_weight	21650.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U4

MGKAKKTRKFGLVKRTLNTKKDQRLKKNQENIKTKEDPELTRNIPQVSSALFFQYNQAIKPPYQVLIDTNFINFSIQKKVDIVRGMMDCLLAKCNPLITDCVMAELEKLGPKYRIALKLARDPRIKRLSCSHKGTYADDCLVHRVLQHKCYIVATNDAGLKQRIRKIPGIPLMSVGGHAYVIEKLPDVF

Entity 52 Entity 52 polymer

Description description	Ribosome biogenesis protein UTP30
Molecular weight formula_weight	31668.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U5

MVESNDIIKSGLAEKALKALILQCEENPSLKNDKDIHIIINTGKKMGINRDNIPRIIPLTKYKLFKPRDLNILLITKDPSALYRETLTKDEHTSELFKEIISVKNLRRRFKGSKLTQLYKDFDLVVADYRVHHLLPEVLGSRFYHGSKKLPYMIRMSKEVKLKRQQMVEKCDPIYVRAQLRSICKNTSYIPNNDNCLSVRVGYIQKHSIPEILQNIQDTINFLTDKSKRPQGGVIKGGIISIFVKTSNSTSLPIYQFSEARENQKNEDLSDIKL

Entity 53 Entity 53 polymer

Description description	Helical domain protein
Molecular weight formula_weight	137462.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	UA

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Entity 54 Entity 54 polymer

Description description	Helical domain protein
Molecular weight formula_weight	84015.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	UB

Entity 55 Entity 55 polymer

Description description	Unassigned helices
Molecular weight formula_weight	87930.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	UC

▶

Resolution resolution	4.50 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	73543

Cryo-EM structure of the 90S small subunit pre-ribosome (Mtr4-depleted, Enp1-TAP)

1. Protein Identity and Related Structures Protein Identity & Related Structures

;rRNA 2'-O-methyltransferase fibrillarin ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Nucleolar protein 56

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Nucleolar protein 58

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ribosomal RNA-processing protein 9

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

13 kDa ribonucleoprotein-associated protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

U3 small nucleolar RNA-associated protein 10

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ribosome biogenesis protein BMS1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Periodic tryptophan protein 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

U3 small nucleolar RNA-associated protein 12

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

U3 small nucleolar RNA-associated protein 13

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer