9h9h

Complex 1 30S-IF1-IF2-IF3-GE81112

Method: ELECTRON MICROSCOPY

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

Small ribosomal subunit protein uS2

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS2_ECOLI
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain B； PDBConstruct 1–241； UniProt 1–241

Small ribosomal subunit protein uS3

Escherichia coli

UniProt P0A7V3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3_ECOLI
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain C； PDBConstruct 1–233； UniProt 1–233

Small ribosomal subunit protein uS4

Escherichia coli

UniProt P0A7V8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4_ECOLI
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain D； PDBConstruct 1–206； UniProt 1–206

Small ribosomal subunit protein uS5

Escherichia coli

UniProt P0A7W1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS5_ECOLI
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain E； PDBConstruct 1–167； UniProt 1–167

Small ribosomal subunit protein bS6, fully modified isoform

Escherichia coli

UniProt P02358

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 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	8
Chains and sequence ranges	Author chain F； PDBConstruct 1–135； UniProt 1–135

Small ribosomal subunit protein uS7

Escherichia coli

UniProt P02359

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 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	9
Chains and sequence ranges	Author chain G； PDBConstruct 1–179； UniProt 1–179

Small ribosomal subunit protein uS8

Escherichia coli

UniProt P0A7W7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8_ECOLI
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain H； PDBConstruct 1–130； UniProt 1–130

Small ribosomal subunit protein uS9

Escherichia coli

UniProt P0A7X3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9_ECOLI
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain I； PDBConstruct 1–130； UniProt 1–130

Small ribosomal subunit protein uS10

Escherichia coli

UniProt P0A7R5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS10_ECOLI
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain J； PDBConstruct 1–103； UniProt 1–103

Small ribosomal subunit protein uS11

Escherichia coli

UniProt P0A7R9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS11_ECOLI
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain K； PDBConstruct 1–129； UniProt 1–129

Small ribosomal subunit protein uS12

Escherichia coli

UniProt P0A7S3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS12_ECOLI
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain L； PDBConstruct 1–124； UniProt 1–124

Small ribosomal subunit protein uS13

Escherichia coli

UniProt P0A7S9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_ECOLI
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain M； PDBConstruct 1–118； UniProt 1–118

Small ribosomal subunit protein uS14

Escherichia coli

UniProt P0AG59

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14_ECOLI
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain N； PDBConstruct 1–101； UniProt 1–101

Small ribosomal subunit protein uS15

Escherichia coli

UniProt P0ADZ4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS15_ECOLI
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain O； PDBConstruct 1–89； UniProt 1–89

Small ribosomal subunit protein bS16

Escherichia coli

UniProt P0A7T3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS16_ECOLI
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain P； PDBConstruct 1–82； UniProt 1–82

Small ribosomal subunit protein uS17

Escherichia coli

UniProt P0AG63

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS17_ECOLI
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain Q； PDBConstruct 1–84； UniProt 1–84

Small ribosomal subunit protein bS18

Escherichia coli

UniProt P0A7T7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS18_ECOLI
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain R； PDBConstruct 1–75； UniProt 1–75

Small ribosomal subunit protein uS19

Escherichia coli

UniProt P0A7U3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS19_ECOLI
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain S； PDBConstruct 1–92； UniProt 1–92

Small ribosomal subunit protein bS20

Escherichia coli

UniProt P0A7U7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS20_ECOLI
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain T； PDBConstruct 1–87； UniProt 1–87

Small ribosomal subunit protein bS21

Escherichia coli

UniProt P68679

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS21_ECOLI
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain U； PDBConstruct 1–71； UniProt 1–71

Translation initiation factor IF-1

Escherichia coli

UniProt P69222

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-2 × 1 （A7ZS65） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF1_ECOLI
Isoform	—
PDB entities	24
Chains and sequence ranges	Author chain X； PDBConstruct 1–72； UniProt 1–72

Translation initiation factor IF-2

Escherichia coli

UniProt A7ZS65

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-3 × 1 （P0A707） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF2_ECO24
Isoform	—
PDB entities	25
Chains and sequence ranges	Author chain Y； PDBConstruct 1–890； UniProt 1–890

Translation initiation factor IF-3

Escherichia coli

UniProt P0A707

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 23 RNA 3	;mRNA (5'-R(PAPAPUPG)-3') ; × 1 t-RNA (77-MER) × 1 16S RNA (1534-MER) × 1 Small ribosomal subunit protein uS2 × 1 （P0A7V0） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein bS16 × 1 （P0A7T3） Small ribosomal subunit protein uS17 × 1 （P0AG63） Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-1 × 1 （P69222） Translation initiation factor IF-2 × 1 （A7ZS65） POTASSIUM ION × 5 MAGNESIUM ION × 152 ;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ; × 1 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF3_ECOLI
Isoform	—
PDB entities	26
Chains and sequence ranges	Author chain Z； PDBConstruct 1–180； UniProt 1–180

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	9h9h
Deposition date deposition_date	2024-10-31
Structure title title	Complex 1 30S-IF1-IF2-IF3-GE81112
Keywords keywords	Antibiotic, initiation factor, GE81112, 30S, 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.

9h9h__assembly_1__model_1

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

Download this curve (.dat)

9h9h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9h9h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	68.84 Å
Rg (electron density)	68.99 Å
Total Rg	69.03 Å
Atom count	58815
Residues	4665
Excluded volume	921020 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9h9h__assembly_1__model_1`	26-meric （26）	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 (30)

Entity 1 Entity 1 polymer

Description description	;mRNA (5'-R(PAPAPUPG)-3') ;
Molecular weight formula_weight	1264.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	2
Atom count atom_count	58815

AAUG

Source Source

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

Entity 2 Entity 2 polymer

Description description	t-RNA (77-MER)
Molecular weight formula_weight	24838.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	3

GGAGCGGUAGUUCAGUCGGUUAGAAUACCGGGCUCAUAACCCGGGGGUCGCGGGUUCGAGUCCCGUCCGUUCCGCCA

Source Source

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

Entity 3 Entity 3 polymer

Description description	16S RNA (1534-MER)
Molecular weight formula_weight	499873.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	A

AAAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAAGUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAAUGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAUAACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUGGGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGAGGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGGGGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCUUCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUUGACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCAGAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUCGUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACCGGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCAAACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCCCUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCAAGGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAGAAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGAAAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGCCGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUCAUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCGACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAACUCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGUUCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGUAGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAACAAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCUUA

Source Source

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

Entity 4 Entity 4 polymer

Description description	Small ribosomal subunit protein uS2
Molecular weight formula_weight	26781.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MATVSMRDMLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRSQDLASQAEESFVEAE

Source Source

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

Entity 5 Entity 5 polymer

Description description	Small ribosomal subunit protein uS3
Molecular weight formula_weight	26031.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MGQKVHPNGIRLGIVKPWNSTWFANTKEFADNLDSDFKVRQYLTKELAKASVSRIVIERPAKSIRVTIHTARPGIVIGKKGEDVEKLRKVVADIAGVPAQINIAEVRKPELDAKLVADSITSQLERRVMFRRAMKRAVQNAMRLGAKGIKVEVSGRLGGAEIARTEWYREGRVPLHTLRADIDYNTSEAHTTYGVIGVKVWIFKGEILGGMAAVEQPEKPAAQPKKQQRKGRK

Source Source

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

Entity 6 Entity 6 polymer

Description description	Small ribosomal subunit protein uS4
Molecular weight formula_weight	23514.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQKVRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSHKAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEGTFKRKPERSDLSADINEHLIVELYSK

Source Source

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

Entity 7 Entity 7 polymer

Description description	Small ribosomal subunit protein uS5
Molecular weight formula_weight	17629.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILGK

Source Source

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

Entity 8 Entity 8 polymer

Description description	Small ribosomal subunit protein bS6, fully modified isoform
Molecular weight formula_weight	15727.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYVLMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEASPMVKAKDERRERRDDFANETADDAEAGDSEEEEEE

Source Source

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

Entity 9 Entity 9 polymer

Description description	Small ribosomal subunit protein uS7
Molecular weight formula_weight	20055.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MPRRRVIGQRKILPDPKFGSELLAKFVNILMVDGKKSTAESIVYSALETLAQRSGKSELEAFEVALENVRPTVEVKSRRVGGSTYQVPVEVRPVRRNALAMRWIVEAARKRGDKSMALRLANELSDAAENKGTAVKKREDVHRMAEANKAFAHYRWLSLRSFSHQAGASSKQPALGYLN

Source Source

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

Entity 10 Entity 10 polymer

Description description	Small ribosomal subunit protein uS8
Molecular weight formula_weight	14146.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELELTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAGLGGEIICYVA

Source Source

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

Entity 11 Entity 11 polymer

Description description	Small ribosomal subunit protein uS9
Molecular weight formula_weight	14886.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MAENQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEKLDLYITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRKARRRPQFSKR

Source Source

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

Entity 12 Entity 12 polymer

Description description	Small ribosomal subunit protein uS10
Molecular weight formula_weight	11755.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MQNQRIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKDARDQYEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISLG

Source Source

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

Entity 13 Entity 13 polymer

Description description	Small ribosomal subunit protein uS11
Molecular weight formula_weight	13871.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MAKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV

Source Source

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

Entity 14 Entity 14 polymer

Description description	Small ribosomal subunit protein uS12
Molecular weight formula_weight	13768.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNGFEVTSYIGGEGHNLQEHSVILIRGGRVKDLPGVRYHTVRGALDCSGVKDRKQARSKYGVKRPKA

Source Source

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

Entity 15 Entity 15 polymer

Description description	Small ribosomal subunit protein uS13
Molecular weight formula_weight	13128.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MARIAGINIPDHKHAVIALTSIYGVGKTRSKAILAAAGIAEDVKISELSEGQIDTLRDEVAKFVVEGDLRREISMSIKRLMDLGCYRGLRHRRGLPVRGQRTKTNARTRKGPRKPIKK

Source Source

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

Entity 16 Entity 16 polymer

Description description	Small ribosomal subunit protein uS14
Molecular weight formula_weight	11606.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MAKQSMKAREVKRVALADKYFAKRAELKAIISDVNASDEDRWNAVLKLQTLPRDSSPSRQRNRCRQTGRPHGFLRKFGLSRIKVREAAMRGEIPGLKKASW

Source Source

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

Entity 17 Entity 17 polymer

Description description	Small ribosomal subunit protein uS15
Molecular weight formula_weight	10290.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MSLSTEATAKIVSEFGRDANDTGSTEVQVALLTAQINHLQGHFAEHKKDHHSRRGLLRMVSQRRKLLDYLKRKDVARYTQLIERLGLRR

Source Source

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

Entity 18 Entity 18 polymer

Description description	Small ribosomal subunit protein bS16
Molecular weight formula_weight	9207.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MVTIRLARHGAKKRPFYQVVVADSRNARNGRFIERVGFFNPIASEKEEGTRLDLDRIAHWVGQGATISDRVAALIKEVNKAA

Source Source

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

Entity 19 Entity 19 polymer

Description description	Small ribosomal subunit protein uS17
Molecular weight formula_weight	9724.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MTDKIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVEIRECRPLSKTKSWTLVRVVEKAVL

Source Source

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

Entity 20 Entity 20 polymer

Description description	Small ribosomal subunit protein bS18
Molecular weight formula_weight	9005.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MARYFRRRKFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIKRARYLSLLPYTDRHQ

Source Source

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

Entity 21 Entity 21 polymer

Description description	Small ribosomal subunit protein uS19
Molecular weight formula_weight	10455.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

MPRSLKKGPFIDLHLLKKVEKAVESGDKKPLRTWSRRSTIFPNMIGLTIAVHNGRQHVPVFVTDEMVGHKLGEFAPTRTYRGHAADKKAKKK

Source Source

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

Entity 22 Entity 22 polymer

Description description	Small ribosomal subunit protein bS20
Molecular weight formula_weight	9708.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T

MANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA

Source Source

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

Entity 23 Entity 23 polymer

Description description	Small ribosomal subunit protein bS21
Molecular weight formula_weight	8524.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U

MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKLARENARRTRLY

Source Source

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

Entity 24 Entity 24 polymer

Description description	Translation initiation factor IF-1
Molecular weight formula_weight	8262.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X

MAKEDNIEMQGTVLETLPNTMFRVELENGHVVTAHISGKMRKNYIRILTGDKVTVELTPYDLSKGRIVFRSR

Source Source

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

Entity 25 Entity 25 polymer

Description description	Translation initiation factor IF-2
Molecular weight formula_weight	97498.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y

MTDVTIKTLAAERQTSVERLVQQFADAGIRKSADDSVSAQEKQTLIDHLNQKNSGPDKLTLQRKTRSTLNIPGTGGKSKSVQIEVRKKRTFVKRDPQEAERLAAEEQAQREAEEQARREAEESAKREAQQKAEREAAEQAKREAAEQAKREAAEKDKVSNQQDDMTKNAQAEKARREQEAAELKRKAEEEARRKLEEEARRVAEEARRMAEENKWTDNAEPTEDSSDYHVTTSQHARQAEDESDREVEGGRGRGRNAKAARPKKGNKHAESKADREEARAAVRGGKGGKRKGSSLQQGFQKPAQAVNRDVVIGETITVGELANKMAVKGSQVIKAMMKLGAMATINQVIDQETAQLVAEEMGHKVILRRENELEEAVMSDRDTGAAAEPRAPVVTIMGHVDHGKTSLLDYIRSTKVASGEAGGITQHIGAYHVETENGMITFLDTPGHAAFTSMRARGAQATDIVVLVVAADDGVMPQTIEAIQHAKAAQVPVVVAVNKIDKPEADPDRVKNELSQYGILPEEWGGESQFVHVSAKAGTGIDELLDAILLQAEVLELKAVRKGMASGAVIESFLDKGRGPVATVLVREGTLHKGDIVLCGFEYGRVRAMRNELGQEVLEAGPSIPVEILGLSGVPAAGDEVTVVRDEKKAREVALYRQGKFREVKLARQQKSKLENMFANMTEGEVHEVNIVLKADVQGSVEAISDSLLKLSTDEVKVKIIGSGVGGITETDATLAAASNAILVGFNVRADASARKVIEAESLDLRYYSVIYNLIDEVKAAMSGMLSPELKQQIIGLAEVRDVFKSPKFGAIAGCMVTEGVVKRHNPIRVLRDNVVIYEGELESLRRFKDDVNEVRNGMECGIGVKNYNDVRTGDVIEVFEIIEIQRTIA

Source Source

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

Entity 26 Entity 26 polymer

Description description	Translation initiation factor IF-3
Molecular weight formula_weight	20601.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

MKGGKRVQTARPNRINGEIRAQEVRLTGLEGEQLGIVSLREALEKAEEAGVDLVEISPNAEPPVCRIMDYGKFLYEKSKSSKEQKKKQKVIQVKEIKFRPGTDEGDYQVKLRSLIRFLEEGDKAKITLRFRGREMAHQQIGMEVLNRVKDDLQELAVVESFPTKIEGRQMIMVLAPKKKQ

Source Source

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

Entity 27 Entity 27 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 28 Entity 28 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	152

Entity 29 Entity 29 non-polymer

Description description	;(2S,3S)-2-[[(2S)-2-[[(2S,4S)-5-aminocarbonyloxy-4-oxidanyl-2-[[(2S,3R)-3-oxidanylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-3-(1H-imidazol-4-yl)propanoyl]amino]-3-(2-chloranyl-1H-imidazol-4-yl)-3-oxidanyl-propanoic acid ;
Molecular weight formula_weight	644.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 30 Entity 30 non-polymer

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

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Resolution resolution	3.80 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	46163

Complex 1 30S-IF1-IF2-IF3-GE81112

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

Small ribosomal subunit protein uS2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein bS6, fully modified isoform

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS8

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS9

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS10

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS11

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer