8d8j

Yeast mitochondrial small subunit assembly intermediate (State 1)

Method: ELECTRON MICROSCOPY

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

Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT22_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 0； PDBConstruct 1–628； UniProt 1–628

37S ribosomal protein MRP13, mitochondrial

OrganismNot specified

UniProt P12686

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT13_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain 5； PDBConstruct 1–339； UniProt 1–339

Mitochondrial group I intron splicing factor CCM1

OrganismNot specified

UniProt A0A8H4FBQ6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A8H4FBQ6_YEASX
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain d； PDBConstruct 1–864； UniProt 1–864

37S ribosomal protein S28, mitochondrial

OrganismNot specified

UniProt P21771

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT28_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain O； PDBConstruct 1–286； UniProt 1–286

37S ribosomal protein S16, mitochondrial

OrganismNot specified

UniProt Q02608

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT16_YEAST
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain P； PDBConstruct 1–121； UniProt 1–121

37S ribosomal protein S17, mitochondrial

OrganismNot specified

UniProt Q03246

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT17_YEAST
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain Q； PDBConstruct 1–237； UniProt 1–237

37S ribosomal protein RSM18, mitochondrial

OrganismNot specified

UniProt P40033

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RSM18_YEAST
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain R； PDBConstruct 1–138； UniProt 1–138

37S ribosomal protein PET123, mitochondrial

OrganismNot specified

UniProt P17558

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RTPT_YEAST
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain V； PDBConstruct 1–318； UniProt 1–318

Protein FYV4, mitochondrial

OrganismNot specified

UniProt P38783

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FYV4_YEAST
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain 2； PDBConstruct 1–130； UniProt 1–130

37S ribosomal protein NAM9, mitochondrial

OrganismNot specified

UniProt P27929

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NAM9_YEAST
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain D； PDBConstruct 1–486； UniProt 1–486

37S ribosomal protein S5, mitochondrial

OrganismNot specified

UniProt P33759

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT05_YEAST
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain E； PDBConstruct 1–307； UniProt 1–307

37S ribosomal protein MRP17, mitochondrial

OrganismNot specified

UniProt P28778

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT06_YEAST
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain F； PDBConstruct 1–131； UniProt 1–131

37S ribosomal protein S35, mitochondrial

OrganismNot specified

UniProt P53292

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT35_YEAST
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain 6； PDBConstruct 1–345； UniProt 1–345

37S ribosomal protein S8, mitochondrial

OrganismNot specified

UniProt Q03799

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 15S ribosomal RNA × 1 uS12m × 1 （A0A6A5Q5F6） IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RT08_YEAST
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain H； PDBConstruct 1–155； UniProt 1–155

uS12m

OrganismNot specified

UniProt A0A6A5Q5F6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 15 RNA 1	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial × 1 （P36056） 37S ribosomal protein MRP13, mitochondrial × 1 （P12686） Mitochondrial group I intron splicing factor CCM1 × 1 （A0A8H4FBQ6） 37S ribosomal protein S28, mitochondrial × 1 （P21771） 37S ribosomal protein S16, mitochondrial × 1 （Q02608） 37S ribosomal protein S17, mitochondrial × 1 （Q03246） 37S ribosomal protein RSM18, mitochondrial × 1 （P40033） 37S ribosomal protein PET123, mitochondrial × 1 （P17558） Protein FYV4, mitochondrial × 1 （P38783） 37S ribosomal protein NAM9, mitochondrial × 1 （P27929） 37S ribosomal protein S5, mitochondrial × 1 （P33759） 37S ribosomal protein MRP17, mitochondrial × 1 （P28778） 37S ribosomal protein S35, mitochondrial × 1 （P53292） 37S ribosomal protein S8, mitochondrial × 1 （Q03799） 15S ribosomal RNA × 1 IRON/SULFUR CLUSTER × 1 MAGNESIUM ION × 29	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q5F6_YEASX
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain L； PDBConstruct 1–153； UniProt 1–153

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	8d8j
Deposition date deposition_date	2022-06-08
Structure title title	Yeast mitochondrial small subunit assembly intermediate (State 1)
Keywords keywords	Ribonucleoprotein complex Mitochondria Biogenesis, RIBOSOME; 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.

8d8j__assembly_1__model_1

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

Download this curve (.dat)

8d8j__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8d8j__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	69.27 Å
Rg (electron density)	69.65 Å
Total Rg	69.62 Å
Atom count	51386
Residues	4585
Excluded volume	823240 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8d8j__assembly_1__model_1`	hexadecameric （16）	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 (18)

Entity 1 Entity 1 polymer

Description description	Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial
Molecular weight formula_weight	72308.3 kDa
EC 编号 ec_number	2.1.1.-
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	0
Atom count atom_count	51386

MMKRCFSILPQNVRFSSKFTSLNLPKLDLADFIDSNKRGINVLPSYRDETASTTQATNSKELRLLSKTLQGQSYRDQLELNPDVSKAINNNIMAVHIPNNLRRVATNYYKEIQEPNSLHRPCRTKMEVDAHIASIFLQNYGSIFQSLKELQKRVGPDNFKPQRILDVGYGPATGIVALNDILGPNYRPDLKDAVILGNAEMQERAKIILSRQLNEVVDTVEENVSTEKEQETDRRNKNFQEDEHIGEVMTKKINIMTNLRSSIPASKEYDLIILTHQLLHDGNQFPIQVDENIEHYLNILAPGGHIVIIERGNPMGFEIIARARQITLRPENFPDEFGKIPRPWSRGVTVRGKKDAELGNISSNYFLKVIAPCPHQRKCPLQVGNPNFYTHKEGKDLKFCNFQKSIKRPKFSIELKKGKLLATSWDGSQGNASRLKGTGRRNGRDYEILNYSYLIFERSHKDENTLKEIKKLRNENVNGKYDIGSLGDDTQNSWPRIINDPVKRKGHVMMDLCAPSGELEKWTVSRSFSKQIYHDARKSKKGDLWASAAKTQIKGLGDLNVKKFHKLEKERIKQLKKEERQKARKAMESYNELEDSLQFDDHQFSNFEVMKKLSTFHGNDFLQHVNRK

Entity 2 Entity 2 polymer

Description description	37S ribosomal protein MRP13, mitochondrial
Molecular weight formula_weight	39045.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	5

MGTITVVINEGPILLIRALHRATTNKKMFRSTVWRRFASTGEIAKAKLDEFLIYHKTDAKLKPFIYRPKNAQILLTKDIRDPKTREPLQPRPPVKPLSKQTLNDFIYSVEPNSTELLDWFKEWTGTSIRKRAIWTYISPIHVQKMLTASFFKIGKYAHMVGLLYGIEHKFLKAQNPSVFDIEHFFNTNIMCALHRNRLKDYKDAEIAQRKLQVAWKKVLNRKNNTGLANILVATLGRQIGFTPELTGLQPVDISLPDIPNSSSGAELKDLLSKYEGIYLIARTLLDIDQHNAQYLELQEFIRQYQNALSESSDPYDTHLKALGLLETPPPQESTEKEEK

Entity 3 Entity 3 polymer

Description description	Mitochondrial group I intron splicing factor CCM1
Molecular weight formula_weight	101568.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	d

MYMARCGPKNNVLCFPFQLSFLFSKRLINKRFKYTLQTEDEKNMMGSLSKNKIITPEDVEFKLAQLREFSNTLKERIHNTKSVNSDGHQSNSIAPISEDSRNVNVTKTSSVPNEEKSKNLSDLIHSSFLEKMDHLVPKVIRERVADDDILAKNLFDRSHSNWAPVIDRLYVSEKRFMDIDSREFSVWLNGTVKYLPFHSILHLDEMLLEQINGDVVKFNTHMYECIFNNLGNLKPTNFNQDGTNDKVILKMKELLERYDKALKITEERINKKEGFPSKVPKMTQAILNNCLKYSTKCSSFHDMDYFITKFRDDYGITPNKQNLTTVIQFYSRKEMTKQAWNTFDTMKFLSTKHFPDICTYNTMLRICEKERNFPKALDLFQEIQDHNIKPTTNTYIMMARVLASSSSNAVVSEGKSDSLRLLGWKYLHELEDKNLYRHKKDDLNLFLAMMALAAFDGDIELSRALYYLFIAKKYKTLCANWKGNILVDQDTIWKSTLMPEMLNYLMLAYARFDPRNLPVLSGYEKGIELRRKFLREFDSSMRLDDTDKLVKFKLPFLPISDLNSEAQVLAESNAIWSFNMENGGTRNTLTSSNEAALEDIKKYRQLLDSFAQEAEDFNEFKFKVMYEVTKMQRESINVNVFNKISLHTYLSIPINLKQQKEFLRRLTFFTFQQHEFEAVIKRLYEGYRNIPSSHTRDQNSISTEAISVSKPETTEDLNLIMHDIWYITCLRHKIMMDTTLYELVMKAAIEFQNEDLAKKVWNDRGKFRTTVPFLKMDQRIRIAKDQKFAHLMVEFFTKQGKYSDAIAIILSSKNRFNWTYSMVRNLHKALEEIEDRNSVEILLDVVNKKSHAKALKWEEQELNM

Entity 4 Entity 4 polymer

Description description	37S ribosomal protein S28, mitochondrial
Molecular weight formula_weight	33116.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MSIVGRNAILNLRISLCPLFMGKRSFVSSPVSNSAKAVKFLKAQRRKQKNEAKQATLKASTDKVDPVLGRADTPFITRIMAELKEPLVLSKGYNIEEVDKFLAAIESAKRERAELSGLNTEVVGIEDIEKLEDRREAILRILSMRNSENKNAIKMAVELARKEFERFPGDTGSSEVQAACMTVRIQNMANHIKEHRKDFANTRNLRILVQQRQAILRYLKRDNPEKYYWTIQKLGLNDAAITDEFNMDRRYMQDYEFFGDKILIRDSKKVANQKRKEIRKQKRATF

Entity 5 Entity 5 polymer

Description description	37S ribosomal protein S16, mitochondrial
Molecular weight formula_weight	13663.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MTCGLVRIRLARFGRKNSPVYNIVVANSRKARDAKPIEVLGTYVPVPSPVTKRELKRGVVPIKDVKLDFDRTKYWIGVGAQPSETVTKLLRKAGILNDAWATSKNSNVNRKVVFERMETLE

Entity 6 Entity 6 polymer

Description description	37S ribosomal protein S17, mitochondrial
Molecular weight formula_weight	27684.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MARQNFLGLVVSQGKMQKTVKVRVETKVFNKKINKELFHRRDYLVHDEGEISREGDLVRIEATRPLSKRKFFAIAEIIRNKGQQFALYESEAQLSVAKEEAQKAKEFLDKRSVRENKLNEKTTLLRDIRTIQDALSSGSTPKELLEIKQRYGIQDFSQETVRQLLQLDISGLEVNLEKQRSLIDRIQTRLSELLSNDLKCDQFLKDHGVEDPLTLKKNIKKNLLRKHVMMDMQQPSQ

Entity 7 Entity 7 polymer

Description description	37S ribosomal protein RSM18, mitochondrial
Molecular weight formula_weight	15866.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MQPIIKGAVSSTFKRALYNFGIKEKKSVNIEMGRTQQTKKIDQSLSKKLPKGTIYDPFDFSMGRIHLDRKYQANKNSNRNDIMKSGANPLEFYARPRILSRYVTSTGRIQHRDITGLSAKNQRRLSKAIRRCQAIGLM

Entity 8 Entity 8 polymer

Description description	37S ribosomal protein PET123, mitochondrial
Molecular weight formula_weight	36059.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

MGKGAAKYGFKSGVFPTTRSILKSPTTKQTDIINKVKSPKPKGVLGIGYAKGVKHPKGSHRLSPKVNFIDVDNLIAKTVAEPQSIKSSNGSAQKVRLQKAELRRKFLIEAFRKEEARLLHKHEYLQKRTKELEKAKELELEKLNKEKSSDLTIMTLDKMMSQPLLRNRSPEESELLKLKRNYNRSLLNFQAHKKKLNELLNLYHVANEFIVTESQLLKKIDKVFNDETEEFTDAYDVTSNFTQFGNRKLLLSGNTTLQTQINNAIMGSLSNEKFFDISLVDSYLNKDLKNISNKIDSKLNPTSNGAGNNGNNNNTTNL

Entity 9 Entity 9 polymer

Description description	Protein FYV4, mitochondrial
Molecular weight formula_weight	15321.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

MIPSRISHKFPLFLRSSLAAPKAAYRFSSTIPKPSDQVPDVDAFLNKIGRNCNELKDTFENNWNNLFQWDSKILKEKGVNIQQRKYILKQVHNYRNNRPIHEIKLGKKSFFGGERKRKAFTAKWKAENKQ

Entity 10 Entity 10 polymer

Description description	37S ribosomal protein NAM9, mitochondrial
Molecular weight formula_weight	56450.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MPRKANLLKSLARGRVRTSFNKYNLFNLYKKGGVDLKSKSLYQQKWTAKQETRAYHGEHLTEKRWQTVFKPKLDSVAQLDASLRGGEIKETPFLLQTFAVLEKRLDFALFRAMFASSVRQARQFILHGNVRVNGVKIKHPSYTLKPGDMFSVKPDKVLEALGAKKPSFQEALKIDKTQIVLWNKYVKEAKTEPKEVWEKKLENFEKMSDSNPKKLQFQEFLRQYNKNLESQQYNALKGCTQEGILRKLLNVEKEIGKSNNEPLSIDELKQGLPEIQDSQLLESLNNAYQEFFKSGEIRREIISKCQPDELISLATEMMNPNETTKKELSDGAKSALRSGKRIIAESVKLWTKNITDHFKTRMSDISDGSLTFDPKWAKNLKYHDPIKLSELEGDEPKARKLINLPWQKNYVYGRQDPKKPFFTPWKPRPFLSPFAILPHHLEISFKTCHAVYLRDPVARPGQSEVISPFDVPVHERAYMYYLRNGK

Entity 11 Entity 11 polymer

Description description	37S ribosomal protein S5, mitochondrial
Molecular weight formula_weight	34941.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MFKRQLSTSVRYLQHYDESLLSRYYPESLLKSIKLAQQTIPEDTKFRVSRNVEFAPPYLDDFTKIHPFWDYKPGMPHLHAQEENNNFSIFRWDQVQQPLPGEGNILPPGVSLPNDGGRKSKSADVAAGLHKQTGVDPDYITRKLTMKPLVMKRVSNQTGKGKIASFYALVVVGDKNGMVGLGEGKSREEMSKAIFKAHWDAVRNLKEIPRYENRTIYGDIDFRYHGVKLHLRSAKPGFGLRVNHVIFEICECAGIKDLSGKVYKSRNDMNIAKGTIEAFTKAQKTLDEVALGRGKKLVDVRKVYYSS

Entity 12 Entity 12 polymer

Description description	37S ribosomal protein MRP17, mitochondrial
Molecular weight formula_weight	15046.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MLYELIGLVRITNSNAPKLEAKELSSTIGKLIIQNRGVVRDIVPMGIRYLPKIMKKDQEKHFRAYHFLMLFDSSAAVQSEILRTLKKDPRVIRSSIVKVDLDKQLDRASSLHRSLGKKSILELVNEDYQSI

Entity 13 Entity 13 polymer

Description description	37S ribosomal protein S35, mitochondrial
Molecular weight formula_weight	39638.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	6

MSYGLTGTSSKLRGTSSIFSWTQVRHFSRRRIAYPFYPFKKLGRQHPKKHDTNLKTAMRQFLGPKNYKGEYVMNKYFTVPTNHVPNYIKPDLERGQSLEHPVTKKPLQLRYDGTLGPPPVENKRLQNIFKDRLLQPFPSNPHCKTNYVLSPQLKQSIFEEITVEGLSAQQVSQKYGLKIPRVEAIVKLVSVENSWNRRNRVSSDLKTMDETLYRMFPVFDSDASFKRENLSEIPVPQKTLASRFLTIAESEPFGPVDAAHVLELEPAVETLRNLSTVGEHSSGHQQSTNKNTKVIYGELVEGERSQYKFTNAKVGKVGYRYGSGNRDNKKDRRIGFNKLGQMVYI

Entity 14 Entity 14 polymer

Description description	37S ribosomal protein S8, mitochondrial
Molecular weight formula_weight	17496.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSLVKLANTCAHLQNCSKVRVALTSIPYTKLQLQFAYNLYQQGFLSSLQKGSTMGPDKDFVEVTPDNISTRRLWVGLKYRDNKPVLSSCKLISKPNSRIHLPMEDMKKLCSGVTIRNIKPLQPGELILVRAHNNIMDINEAISKKLDGEVLCRVK

Entity 15 Entity 15 polymer

Description description	15S ribosomal RNA
Molecular weight formula_weight	549234.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	a

UUUUAUAUAAUAAUAAUAAUAUAUAUAUAUAUAUAUUAUUAUAUUAGUUAUAUAAUAAGGAAAAGUAAAAAAUUUAUAAGAAUAUGAUGUUGGUUCAGAUUAAGCGCUAAAUAAGGACAUGACACAUGCGAAUCAUACGUUUAUUAUUGAUAAGAUAAUAAAUAUGUGGUGUAAACGUGAGUAAUUUUAUUAGGAAUUAAUGAACUAUAGAAUAAGCUAAAUACUUAAUAUAUUAUUAUAUAAAAAUAAUUUAUAUAAUAAAAAGGAUAUAUAUAUAAUAUAUAUUUAUCUAUAGUCAAGCCAAUAAUGGUUUAGGUAGUAGGUUUAUUAAGAGUUAAACCUAGCCAACGAUCCAUAAUCGAUAAUGAAAGUUAGAACGAUCACGUUGACUCUGAAAUAUAGUCAAUAUCUAUAAGAUACAGCAGUGAGGAAUAUUGGACAAUGAUCGAAAGAUUGAUCCAGUUACUUAUUAGGAUGAUAUAUAAAAAUAUUUUAUUUUAUUUAUAAAUAUUAAAUAUUUAUAAUAAUAAUAAUAAUAAUAUAUAUAUAUAAAUUGAUUAAAAAUAAAAUCCAUAAAUAAUUAAAAUAAUGAUAUUAAUUACCAUAUAUAUUUUUAUAUGGAUAUAUAUAUUAAUAAUAAUAUUAAUUUUAUUAUUAUUAAUAAUAUAUUUUAAUAGUCCUGACUAAUAUUUGUGCCAGCAGUCGCGGUAACACAAAGAGGGCGAGCGUUAAUCAUAAUGGUUUAAAGGAUCCGUAGAAUGAAUUAUAUAUUAUAAUUUAGAGUUAAUAAAAUAUAAUUAAAGAAUUAUAAUAGUAAAGAUGAAAUAAUAAUAAUAAUUAUAAGACUAAUAUAUGUGAAAAUAUUAAUUAAAUAUUAACUGACAUUGAGGGAUUAAAACUAGAGUAGCGAAACGGAUUCGAUACCCGUGUAGUUCUAGUAGUAAACUAUGAAUACAAUUAUUUAUAAUAUAUAUUAUAUAUAAAUAAUAAAUGAAAAUGAAAGUAUUCCACCUGAAGAGUACGUUAGCAAUAAUGAAACUCAAAACAAUAGACGGUUACAGACUUAAGCAGUGGAGCAUGUUAUUUAAUUCGAUAAUCCACGACUAACCUUACCAUAUUUUGAAUAUUAUAAUAAUUAUUAUAAUUAUUAUAUUACAGGCGUUACAUUGUUGUCUUUAGUUCGUGCUGCAAAGUUUUAGAUUAAGUUCAUAAACGAACAAAACUCCAUAUAUAUAAUUUUAAUUAUAUAUAAUUUUAUAUUAUUUAUUAAUAUAAAGAAAGGAAUUAAGACAAAUCAUAAUGAUCCUUAUAAUAUGGGUAAUAGACGUGCUAUAAUAAAAUGAUAAUAAAAUUAUAUAAAAUAUAUUUAAUUAUAUUUAAUUAAUAAUAUAAAACAUUUUAAUUUUUAAUAUAUUUUUUUAUUAUAUAUUAAUAUGAAUUAUAAUCUGAAAUUCGAUUAUAUGAAAAAAGAAUUGCUAGUAAUACGUAAAUUAGUAUGUUACGGUGAAUAUUCUAACUGUUUCGCACUAAUCACUCAUCACGCGUUGAAACAUAUUAUUAUCUUAUUAUUUAUAUAAUAUUUUUUAAUAAAUAUUAAUAAUUAUUAAUUUAUAUUUAUUUAUAUCAGAAAUAAUAUGAAUUAAUGCGAAGUUGAAAUACAGUUACCGUAGGGGAACCUGCGGUGGGCUUAUAAAUAUCUUAAAUAUUCUUACA

Entity 16 Entity 16 polymer

Description description	uS12m
Molecular weight formula_weight	16948.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MLSRFMSNTWCTPLRQAQRLFSSTTTMQATLNQIKRGSGPPRRKKISTAPQLDQCPQRKGVVLRVMVLKPKKPNSAQRKACRVRLTNGNVVSAYIPGEGHDAQEHSIVYVRGGRCQDLPGVKYHVIRGAGDLSGVVNRISSRSKYGAKKPSKS

Entity 17 Entity 17 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 18 Entity 18 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	29

▼

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	8d8jF01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	60 — Ribosomal protein S6/Translation elongation factor EF1B

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.80 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	19720

Yeast mitochondrial small subunit assembly intermediate (State 1)

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

Probable S-adenosyl-L-methionine-dependent RNA methyltransferase RSM22, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein MRP13, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Mitochondrial group I intron splicing factor CCM1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein S28, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein S16, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein S17, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein RSM18, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein PET123, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Protein FYV4, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

37S ribosomal protein NAM9, mitochondrial

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer