5uz4

The cryo-EM structure of YjeQ bound to the 30S subunit suggests a fidelity checkpoint function for this protein in ribosome assembly

Method: ELECTRON MICROSCOPY

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

30S ribosomal protein S3

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3_ECO45
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–233； UniProt 1–233

30S ribosomal protein S4

OrganismNot specified

UniProt B7MCR2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4_ECO45
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 1–206； UniProt 1–206

30S ribosomal protein S5

OrganismNot specified

UniProt P0A7W3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS5_ECO57
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain E； PDBConstruct 1–167； UniProt 1–167

30S ribosomal protein S6

OrganismNot specified

UniProt P02358

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS6_ECOLI
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain F； PDBConstruct 1–131； UniProt 1–131

30S ribosomal protein S7

OrganismNot specified

UniProt P02359

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS7_ECOLI
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain G； PDBConstruct 1–179； UniProt 1–179

30S ribosomal protein S8

OrganismNot specified

UniProt B7MCS1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8_ECO45
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain H； PDBConstruct 1–130； UniProt 1–130

30S ribosomal protein S9

OrganismNot specified

UniProt B7MBZ1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9_ECO45
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain I； PDBConstruct 1–130； UniProt 1–130

30S ribosomal protein S10

OrganismNot specified

UniProt B7MCT6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS10_ECO45
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain J； PDBConstruct 1–103； UniProt 1–103

30S ribosomal protein S11

OrganismNot specified

UniProt B7MCR3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS11_ECO45
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain K； PDBConstruct 1–129； UniProt 1–129

30S ribosomal protein S12

OrganismNot specified

UniProt B7MCV7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS12_ECO45
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain L； PDBConstruct 1–124； UniProt 1–124

30S ribosomal protein S13

OrganismNot specified

UniProt P0A7T1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_ECO57
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain M； PDBConstruct 1–118； UniProt 1–118

30S ribosomal protein S14

OrganismNot specified

UniProt B7MCS2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14_ECO45
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain N； PDBConstruct 1–101； UniProt 1–101

30S ribosomal protein S15

OrganismNot specified

UniProt Q8X9M2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS15_ECO57
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain O； PDBConstruct 1–89； UniProt 1–89

30S ribosomal protein S16

OrganismNot specified

UniProt B7MIU7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS16_ECO45
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain P； PDBConstruct 1–82； UniProt 1–82

30S ribosomal protein S17

OrganismNot specified

UniProt B7MCS6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS17_ECO45
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain Q； PDBConstruct 1–84； UniProt 1–84

30S ribosomal protein S18

OrganismNot specified

UniProt B7MLK7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS18_ECO45
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain R； PDBConstruct 1–75； UniProt 1–75

30S ribosomal protein S19

OrganismNot specified

UniProt B7MCT1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS19_ECO45
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain S； PDBConstruct 1–92； UniProt 1–92

30S ribosomal protein S20

OrganismNot specified

UniProt B7MAE3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S2 × 1 （B7MBF0） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS20_ECO45
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain T； PDBConstruct 1–87； UniProt 1–87

30S ribosomal protein S2

OrganismNot specified

UniProt B7MBF0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） Small ribosomal subunit biogenesis GTPase RsgA × 1 （P39286） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS2_ECO45
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain B； PDBConstruct 1–241； UniProt 1–241

Small ribosomal subunit biogenesis GTPase RsgA

Escherichia coli

UniProt P39286

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 20 RNA 1	16S RIBOSOMAL RNA × 1 30S ribosomal protein S3 × 1 （B7MCS9） 30S ribosomal protein S4 × 1 （B7MCR2） 30S ribosomal protein S5 × 1 （P0A7W3） 30S ribosomal protein S6 × 1 （P02358） 30S ribosomal protein S7 × 1 （P02359） 30S ribosomal protein S8 × 1 （B7MCS1） 30S ribosomal protein S9 × 1 （B7MBZ1） 30S ribosomal protein S10 × 1 （B7MCT6） 30S ribosomal protein S11 × 1 （B7MCR3） 30S ribosomal protein S12 × 1 （B7MCV7） 30S ribosomal protein S13 × 1 （P0A7T1） 30S ribosomal protein S14 × 1 （B7MCS2） 30S ribosomal protein S15 × 1 （Q8X9M2） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S17 × 1 （B7MCS6） 30S ribosomal protein S18 × 1 （B7MLK7） 30S ribosomal protein S19 × 1 （B7MCT1） 30S ribosomal protein S20 × 1 （B7MAE3） 30S ribosomal protein S2 × 1 （B7MBF0） ZINC ION × 1 3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RSGA_ECOLI
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain Z； PDBConstruct 1–334； UniProt 6–339

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	5uz4
Deposition date deposition_date	2017-02-24
Structure title title	The cryo-EM structure of YjeQ bound to the 30S subunit suggests a fidelity checkpoint function for this protein in ribosome assembly
Keywords keywords	Ribosome assembly, 30S subunit, YjeQ protein, RsgA protein, RIBOSOME-Hydrolase complex; RIBOSOME/Hydrolase
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.

5uz4__assembly_1__model_1

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

Download this curve (.dat)

5uz4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5uz4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	66.18 Å
Rg (electron density)	66.42 Å
Total Rg	66.52 Å
Atom count	53210
Residues	4156
Excluded volume	825580 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5uz4__assembly_1__model_1`	21-meric （21）	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 (23)

Entity 1 Entity 1 polymer

Description description	16S RIBOSOMAL RNA
Molecular weight formula_weight	494971.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	A
Atom count atom_count	53225

GAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAAGUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAAUGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAUAACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUGGGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGAGGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGGGGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCUUCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUUGACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCAGAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUAGCAAGCUUGAGUCUCGUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACCGGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCAAACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCCCUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCAAGGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAGAAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGAAAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGCCGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUCAUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCGACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAACUCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGUUCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGUAGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAACAAGGUAACCGUAGGGGAACCUGCGGUUGGAU

Entity 2 Entity 2 polymer

Description description	30S ribosomal protein S3
Molecular weight formula_weight	26031.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MGQKVHPNGIRLGIVKPWNSTWFANTKEFADNLDSDFKVRQYLTKELAKASVSRIVIERPAKSIRVTIHTARPGIVIGKKGEDVEKLRKVVADIAGVPAQINIAEVRKPELDAKLVADSITSQLERRVMFRRAMKRAVQNAMRLGAKGIKVEVSGRLGGAEIARTEWYREGRVPLHTLRADIDYNTSEAHTTYGVIGVKVWIFKGEILGGMAAVEQPEKPAAQPKKQQRKGRK

Entity 3 Entity 3 polymer

Description description	30S ribosomal protein S4
Molecular weight formula_weight	23514.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQKVRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSHKAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEGTFKRKPERSDLSADINEHLIVELYSK

Entity 4 Entity 4 polymer

Description description	30S ribosomal protein S5
Molecular weight formula_weight	17629.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILGK

Entity 5 Entity 5 polymer

Description description	30S ribosomal protein S6
Molecular weight formula_weight	15211.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYVLMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEASPMVKAKDERRERRDDFANETADDAEAGDSEE

Entity 6 Entity 6 polymer

Description description	30S ribosomal protein S7
Molecular weight formula_weight	20055.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MPRRRVIGQRKILPDPKFGSELLAKFVNILMVDGKKSTAESIVYSALETLAQRSGKSELEAFEVALENVRPTVEVKSRRVGGSTYQVPVEVRPVRRNALAMRWIVEAARKRGDKSMALRLANELSDAAENKGTAVKKREDVHRMAEANKAFAHYRWLSLRSFSHQAGASSKQPALGYLN

Entity 7 Entity 7 polymer

Description description	30S ribosomal protein S8
Molecular weight formula_weight	14146.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELELTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAGLGGEIICYVA

Entity 8 Entity 8 polymer

Description description	30S ribosomal protein S9
Molecular weight formula_weight	14886.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MAENQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEKLDLYITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRKARRRPQFSKR

Entity 9 Entity 9 polymer

Description description	30S ribosomal protein S10
Molecular weight formula_weight	11755.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MQNQRIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKDARDQYEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISLG

Entity 10 Entity 10 polymer

Description description	30S ribosomal protein S11
Molecular weight formula_weight	13871.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MAKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV

Entity 11 Entity 11 polymer

Description description	30S ribosomal protein S12
Molecular weight formula_weight	13768.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNGFEVTSYIGGEGHNLQEHSVILIRGGRVKDLPGVRYHTVRGALDCSGVKDRKQARSKYGVKRPKA

Entity 12 Entity 12 polymer

Description description	30S ribosomal protein S13
Molecular weight formula_weight	13128.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MARIAGINIPDHKHAVIALTSIYGVGKTRSKAILAAAGIAEDVKISELSEGQIDTLRDEVAKFVVEGDLRREISMSIKRLMDLGCYRGLRHRRGLPVRGQRTKTNARTRKGPRKPIKK

Entity 13 Entity 13 polymer

Description description	30S ribosomal protein S14
Molecular weight formula_weight	11606.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MAKQSMKAREVKRVALADKYFAKRAELKAIISDVNASDEDRWNAVLKLQTLPRDSSPSRQRNRCRQTGRPHGFLRKFGLSRIKVREAAMRGEIPGLKKASW

Entity 14 Entity 14 polymer

Description description	30S ribosomal protein S15
Molecular weight formula_weight	10319.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MSLSTEATAKIVSEFGRDANDTGSTEVQVALLTAQINHLQGHFAEHKKDHHSRRGLLRMVSQRRKLLDYLKRKDVARYTRLIERLGLRR

Entity 15 Entity 15 polymer

Description description	30S ribosomal protein S16
Molecular weight formula_weight	9207.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MVTIRLARHGAKKRPFYQVVVADSRNARNGRFIERVGFFNPIASEKEEGTRLDLDRIAHWVGQGATISDRVAALIKEVNKAA

Entity 16 Entity 16 polymer

Description description	30S ribosomal protein S17
Molecular weight formula_weight	9724.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MTDKIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVEIRECRPLSKTKSWTLVRVVEKAVL

Entity 17 Entity 17 polymer

Description description	30S ribosomal protein S18
Molecular weight formula_weight	9005.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MARYFRRRKFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIKRARYLSLLPYTDRHQ

Entity 18 Entity 18 polymer

Description description	30S ribosomal protein S19
Molecular weight formula_weight	10455.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

MPRSLKKGPFIDLHLLKKVEKAVESGDKKPLRTWSRRSTIFPNMIGLTIAVHNGRQHVPVFVTDEMVGHKLGEFAPTRTYRGHAADKKAKKK

Entity 19 Entity 19 polymer

Description description	30S ribosomal protein S20
Molecular weight formula_weight	9708.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T

MANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA

Entity 20 Entity 20 polymer

Description description	30S ribosomal protein S2
Molecular weight formula_weight	26781.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MATVSMRDMLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRSQDLASQAEESFVEAE

Entity 21 Entity 21 polymer

Description description	Small ribosomal subunit biogenesis GTPase RsgA
Molecular weight formula_weight	37345.2 kDa
EC 编号 ec_number	3.6.1.-
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

LSKGQQRRVNANHQRRLKTSKEKPDYDDNLFGEPDEGIVISRFGMHADVESADGDVHRCNIRRTIRSLVTGDRVVWRPGKPAAEGVNVKGIVEAVHERTSVLTRPDFYDGVKPIAANIDQIVIVSAILPELSLNIIDRYLVACETLQIEPIIVLNKIDLLDDEGMAFVNEQMDIYRNIGYRVLMVSSHTQDGLKPLEEALTGRISIFAGQSGVGKSSLLNALLGLQKEILTNDISDNSGLGQHTTTAARLYHFPHGGDVIDSPGVREFGLWHLEPEQITQGFVEFHDYLGLCKYRDCKHDTDPGCAIREAVEEGKIAETRFENYHRILESMAQV

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 22 Entity 22 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 23 Entity 23 non-polymer

Description description	3'-O-(N-methylanthraniloyl)-beta:gamma-imidoguanosine-5'-triphosphate
Molecular weight formula_weight	655.3 kDa
Source method src_method	syn
Copy count entity_count	1

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Resolution resolution	5.80 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	130462

The cryo-EM structure of YjeQ bound to the 30S subunit suggests a fidelity checkpoint function for this protein in ribosome assembly

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

30S ribosomal protein S3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S6

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S8

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S9

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S10

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S11

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S12

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer