8jsg

Structure of the 30S-IF3 complex from Escherichia coli

Method: ELECTRON MICROSCOPY

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

Small ribosomal subunit protein bS18

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	1
Chains and sequence ranges	Author chain 1； PDBConstruct 1–73； UniProt 2–74

Small ribosomal subunit protein bS21

OrganismNot specified

UniProt P68679

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	2
Chains and sequence ranges	Author chain 2； PDBConstruct 1–53； UniProt 2–54

Small ribosomal subunit protein bS20

OrganismNot specified

UniProt P0A7U7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	3
Chains and sequence ranges	Author chain 3； PDBConstruct 1–86； UniProt 2–87

Translation initiation factor IF-3

Escherichia coli

UniProt C3T7P7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C3T7P7_ECOLX
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain A； PDBConstruct 1–180； UniProt 1–180

Small ribosomal subunit protein uS17

OrganismNot specified

UniProt P0AG63

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	5
Chains and sequence ranges	Author chain P； PDBConstruct 1–82； UniProt 2–83

Small ribosomal subunit protein uS5

OrganismNot specified

UniProt P0A7W1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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 k； PDBConstruct 1–158； UniProt 2–159

Small ribosomal subunit protein uS4

OrganismNot specified

UniProt P0A7V8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	8
Chains and sequence ranges	Author chain l； PDBConstruct 1–205； UniProt 2–206

Small ribosomal subunit protein bS6, non-modified isoform

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 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	9
Chains and sequence ranges	Author chain n； PDBConstruct 1–100； UniProt 1–100

Small ribosomal subunit protein uS8

OrganismNot specified

UniProt P0A7W7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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 p； PDBConstruct 1–129； UniProt 2–130

Small ribosomal subunit protein uS11

OrganismNot specified

UniProt P0A7R9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	11
Chains and sequence ranges	Author chain q； PDBConstruct 1–128； UniProt 2–129

Small ribosomal subunit protein uS12

OrganismNot specified

UniProt P0A7S3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	12
Chains and sequence ranges	Author chain t； PDBConstruct 1–123； UniProt 2–124

Small ribosomal subunit protein uS15

OrganismNot specified

UniProt P0ADZ4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	13
Chains and sequence ranges	Author chain u； PDBConstruct 1–88； UniProt 2–89

30S ribosomal protein S16

OrganismNot specified

UniProt P0A7T3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	14
Chains and sequence ranges	Author chain y； PDBConstruct 1–82； UniProt 1–82

Small ribosomal subunit protein uS3

OrganismNot specified

UniProt P0A7V3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	15
Chains and sequence ranges	Author chain h； PDBConstruct 1–206； UniProt 2–207

Small ribosomal subunit protein uS7

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 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	16
Chains and sequence ranges	Author chain m； PDBConstruct 1–151； UniProt 2–152

Small ribosomal subunit protein uS9

OrganismNot specified

UniProt P0A7X3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS10 × 1 （P0A7R5） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	17
Chains and sequence ranges	Author chain o； PDBConstruct 1–129； UniProt 2–130

Small ribosomal subunit protein uS10

OrganismNot specified

UniProt P0A7R5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） Small ribosomal subunit protein uS7 × 1 （P02359） Small ribosomal subunit protein uS9 × 1 （P0A7X3） Small ribosomal subunit protein uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	18
Chains and sequence ranges	Author chain r； PDBConstruct 1–102； UniProt 1–102

Small ribosomal subunit protein uS13

OrganismNot specified

UniProt P0A7S9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	19
Chains and sequence ranges	Author chain s； PDBConstruct 1–114； UniProt 2–115

Small ribosomal subunit protein uS14

OrganismNot specified

UniProt P0AG59

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS19 × 1 （P0A7U3） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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	20
Chains and sequence ranges	Author chain w； PDBConstruct 1–100； UniProt 2–101

Small ribosomal subunit protein uS19

OrganismNot specified

UniProt P0A7U3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS2 × 1 （P0A7V0）	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 z； PDBConstruct 1–80； UniProt 2–81

Small ribosomal subunit protein uS2

OrganismNot specified

UniProt P0A7V0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 21 RNA 1	Small ribosomal subunit protein bS18 × 1 （P0A7T7） Small ribosomal subunit protein bS21 × 1 （P68679） Small ribosomal subunit protein bS20 × 1 （P0A7U7） Translation initiation factor IF-3 × 1 （C3T7P7） Small ribosomal subunit protein uS17 × 1 （P0AG63） 16S ribosomal RNA × 1 Small ribosomal subunit protein uS5 × 1 （P0A7W1） Small ribosomal subunit protein uS4 × 1 （P0A7V8） Small ribosomal subunit protein bS6, non-modified isoform × 1 （P02358） Small ribosomal subunit protein uS8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） Small ribosomal subunit protein uS15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Small ribosomal subunit protein uS3 × 1 （P0A7V3） 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 uS13 × 1 （P0A7S9） Small ribosomal subunit protein uS14 × 1 （P0AG59） Small ribosomal subunit protein uS19 × 1 （P0A7U3）	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	22
Chains and sequence ranges	Author chain j； PDBConstruct 1–225； UniProt 2–226

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	8jsg
Deposition date deposition_date	2023-06-20
Structure title title	Structure of the 30S-IF3 complex from Escherichia coli
Keywords keywords	Ribosome, 30S, IF3, Translation initiation, TRANSLATION; TRANSLATION
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.

8jsg__assembly_1__model_1

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

Download this curve (.dat)

8jsg__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8jsg__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	69.99 Å
Rg (electron density)	70.22 Å
Total Rg	70.27 Å
Atom count	52910
Residues	4060
Excluded volume	820880 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8jsg__assembly_1__model_1`	22-meric （22）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (22)

Entity 1 Entity 1 polymer

Description description	Small ribosomal subunit protein bS18
Molecular weight formula_weight	8746.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1
Atom count atom_count	52910

ARYFRRRKFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIKRARYLSLLPYTDRH

Entity 2 Entity 2 polymer

Description description	Small ribosomal subunit protein bS21
Molecular weight formula_weight	6263.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

PVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVK

Entity 3 Entity 3 polymer

Description description	Small ribosomal subunit protein bS20
Molecular weight formula_weight	9577.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

ANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA

Entity 4 Entity 4 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	A

MKGGKRVQTARPNRINGEIRAQEVRLTGLEGEQLGIVSLREALEKAEEAGVDLVEISPNAEPPVCRIMDYGKFLYEKSKSSKEQKKKQKVIQVKEIKFRPGTDEGDYQVKLRSLIRFLEEGDKAKITLRFRGREMAHQQIGMEVLNRVKDDLQELAVVESFPTKIEGRQMIMVLAPKKKQ

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 5 Entity 5 polymer

Description description	Small ribosomal subunit protein uS17
Molecular weight formula_weight	9480.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

TDKIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVEIRECRPLSKTKSWTLVRVVEKAV

Entity 6 Entity 6 polymer

Description description	16S ribosomal RNA
Molecular weight formula_weight	499077.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	g

AAAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAAGUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAAUGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAUAACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUGGGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGAGGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGGGGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCUUCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUUGACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCAGAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUCGUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACCGGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCAAACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCCCUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCAAGGUUAAAACUCAAAUGAAAUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAGAAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGAAAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGCCGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUCAUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCGACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAACUCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGUUCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGUAGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAACAAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCU

Entity 7 Entity 7 polymer

Description description	Small ribosomal subunit protein uS5
Molecular weight formula_weight	16641.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	k

AHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGK

Entity 8 Entity 8 polymer

Description description	Small ribosomal subunit protein uS4
Molecular weight formula_weight	23383.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	l

ARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQKVRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSHKAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEGTFKRKPERSDLSADINEHLIVELYSK

Entity 9 Entity 9 polymer

Description description	Small ribosomal subunit protein bS6, non-modified isoform
Molecular weight formula_weight	11669.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	n

MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYVLMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEAS

Entity 10 Entity 10 polymer

Description description	Small ribosomal subunit protein uS8
Molecular weight formula_weight	14015.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	p

SMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELELTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAGLGGEIICYVA

Entity 11 Entity 11 polymer

Description description	Small ribosomal subunit protein uS11
Molecular weight formula_weight	13739.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	q

AKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV

Entity 12 Entity 12 polymer

Description description	Small ribosomal subunit protein uS12
Molecular weight formula_weight	13637.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	t

ATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNGFEVTSYIGGEGHNLQEHSVILIRGGRVKDLPGVRYHTVRGALDCSGVKDRKQARSKYGVKRPKA

Entity 13 Entity 13 polymer

Description description	Small ribosomal subunit protein uS15
Molecular weight formula_weight	10159.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	u

SLSTEATAKIVSEFGRDANDTGSTEVQVALLTAQINHLQGHFAEHKKDHHSRRGLLRMVSQRRKLLDYLKRKDVARYTQLIERLGLRR

Entity 14 Entity 14 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	y

MVTIRLARHGAKKRPFYQVVVADSRNARNGRFIERVGFFNPIASEKEEGTRLDLDRIAHWVGQGATISDRVAALIKEVNKAA

Entity 15 Entity 15 polymer

Description description	Small ribosomal subunit protein uS3
Molecular weight formula_weight	23078.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	h

GQKVHPNGIRLGIVKPWNSTWFANTKEFADNLDSDFKVRQYLTKELAKASVSRIVIERPAKSIRVTIHTARPGIVIGKKGEDVEKLRKVVADIAGVPAQINIAEVRKPELDAKLVADSITSQLERRVMFRRAMKRAVQNAMRLGAKGIKVEVSGRLGGAEIARTEWYREGRVPLHTLRADIDYNTSEAHTTYGVIGVKVWIFKGEI

Entity 16 Entity 16 polymer

Description description	Small ribosomal subunit protein uS7
Molecular weight formula_weight	16861.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	m

PRRRVIGQRKILPDPKFGSELLAKFVNILMVDGKKSTAESIVYSALETLAQRSGKSELEAFEVALENVRPTVEVKSRRVGGSTYQVPVEVRPVRRNALAMRWIVEAARKRGDKSMALRLANELSDAAENKGTAVKKREDVHRMAEANKAFA

Entity 17 Entity 17 polymer

Description description	Small ribosomal subunit protein uS9
Molecular weight formula_weight	14755.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	o

AENQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEKLDLYITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRKARRRPQFSKR

Entity 18 Entity 18 polymer

Description description	Small ribosomal subunit protein uS10
Molecular weight formula_weight	11698.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	r

MQNQRIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKDARDQYEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISL

Entity 19 Entity 19 polymer

Description description	Small ribosomal subunit protein uS13
Molecular weight formula_weight	12625.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	s

ARIAGINIPDHKHAVIALTSIYGVGKTRSKAILAAAGIAEDVKISELSEGQIDTLRDEVAKFVVEGDLRREISMSIKRLMDLGCYRGLRHRRGLPVRGQRTKTNARTRKGPRKP

Entity 20 Entity 20 polymer

Description description	Small ribosomal subunit protein uS14
Molecular weight formula_weight	11475.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	w

AKQSMKAREVKRVALADKYFAKRAELKAIISDVNASDEDRWNAVLKLQTLPRDSSPSRQRNRCRQTGRPHGFLRKFGLSRIKVREAAMRGEIPGLKKASW

Entity 21 Entity 21 polymer

Description description	Small ribosomal subunit protein uS19
Molecular weight formula_weight	9154.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	z

PRSLKKGPFIDLHLLKKVEKAVESGDKKPLRTWSRRSTIFPNMIGLTIAVHNGRQHVPVFVTDEMVGHKLGEFAPTRTYR

Entity 22 Entity 22 polymer

Description description	Small ribosomal subunit protein uS2
Molecular weight formula_weight	25015.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	j

ATVSMRDMLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRS

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

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

Resolution resolution	4.60 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	145664

Structure of the 30S-IF3 complex from Escherichia coli

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

Small ribosomal subunit protein bS18

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 bS21

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 bS20

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Translation initiation factor IF-3

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 uS17

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 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 bS6, non-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 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 uS11

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer