6o7k

30S initiation complex

Method: ELECTRON MICROSCOPY

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

Translation initiation factor IF-2

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A069XYI1_ECOLX
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain f； PDBConstruct 1–509； UniProt 382–890

30S ribosomal protein S17

OrganismNot specified

UniProt A0A080IK26

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A080IK26_ECOLX
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain P； PDBConstruct 1–80； UniProt 4–83

30S ribosomal protein S10

OrganismNot specified

UniProt D7X302

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	D7X302_ECOLX
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain r； PDBConstruct 1–98； UniProt 5–102

30S ribosomal protein S11

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 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 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	6
Chains and sequence ranges	Author chain q； PDBConstruct 1–117； UniProt 13–129

30S ribosomal protein S12

OrganismNot specified

UniProt V6FZ95

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	V6FZ95_ECOLX
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain t； PDBConstruct 1–123； UniProt 2–124

30S ribosomal protein S13

OrganismNot specified

UniProt A0A1X3KX08

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A1X3KX08_ECOLX
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain s； PDBConstruct 1–114； UniProt 2–115

30S ribosomal protein S14

OrganismNot specified

UniProt A0A090BZT4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A090BZT4_ECOLX
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain w； PDBConstruct 1–100； UniProt 2–101

30S ribosomal protein S15

OrganismNot specified

UniProt D7XN21

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	D7XN21_ECOLX
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain u； PDBConstruct 1–88； UniProt 2–89

30S ribosomal protein S16

OrganismNot specified

UniProt B7MIU7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS16_ECO45
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain y； PDBConstruct 1–82； UniProt 1–82

30S ribosomal protein S18

OrganismNot specified

UniProt L3BXG0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	L3BXG0_ECOLX
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain 1； PDBConstruct 1–55； UniProt 20–74

30S ribosomal protein S19

OrganismNot specified

UniProt F4SQ43

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	F4SQ43_ECOLX
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain z； PDBConstruct 1–79； UniProt 3–81

30S ribosomal protein S2

OrganismNot specified

UniProt U9ZNW8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	U9ZNW8_ECOLX
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain j； PDBConstruct 1–218； UniProt 9–226

30S ribosomal protein S20

OrganismNot specified

UniProt T6N332

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	T6N332_ECOLX
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain 3； PDBConstruct 1–85； UniProt 3–87

30S ribosomal protein S21

OrganismNot specified

UniProt A0A0K5Z365

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A0K5Z365_ECOLX
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain 2； PDBConstruct 1–51； UniProt 4–54

30S ribosomal protein S3

OrganismNot specified

UniProt A0A376HTV6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A376HTV6_ECOLX
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain h； PDBConstruct 1–206； UniProt 2–207

30S ribosomal protein S4

OrganismNot specified

UniProt L3PZ69

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	L3PZ69_ECOLX
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain l； PDBConstruct 1–205； UniProt 2–206

30S ribosomal protein S5

OrganismNot specified

UniProt B6I217

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B6I217_ECOSE
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain k； PDBConstruct 1–150； UniProt 10–159

30S ribosomal protein S6

OrganismNot specified

UniProt S1CG62

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	S1CG62_ECOLX
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain n； PDBConstruct 1–100； UniProt 1–100

30S ribosomal protein S7

OrganismNot specified

UniProt S1D5F0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S8 × 1 （D8A1L7） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	S1D5F0_ECOLX
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain m； PDBConstruct 1–151； UniProt 2–152

30S ribosomal protein S8

OrganismNot specified

UniProt D8A1L7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S9 × 1 （T9TH92） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	D8A1L7_ECOMS
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain p； PDBConstruct 1–129； UniProt 2–130

30S ribosomal protein S9

OrganismNot specified

UniProt T9TH92

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 3	Translation initiation factor IF-1 × 1 Translation initiation factor IF-2 × 1 （A0A069XYI1） 16S ribosomal RNA × 1 30S ribosomal protein S17 × 1 （A0A080IK26） 30S ribosomal protein S10 × 1 （D7X302） 30S ribosomal protein S11 × 1 （P0A7R9） 30S ribosomal protein S12 × 1 （V6FZ95） 30S ribosomal protein S13 × 1 （A0A1X3KX08） 30S ribosomal protein S14 × 1 （A0A090BZT4） 30S ribosomal protein S15 × 1 （D7XN21） 30S ribosomal protein S16 × 1 （B7MIU7） 30S ribosomal protein S18 × 1 （L3BXG0） 30S ribosomal protein S19 × 1 （F4SQ43） 30S ribosomal protein S2 × 1 （U9ZNW8） 30S ribosomal protein S20 × 1 （T6N332） 30S ribosomal protein S21 × 1 （A0A0K5Z365） 30S ribosomal protein S3 × 1 （A0A376HTV6） 30S ribosomal protein S4 × 1 （L3PZ69） 30S ribosomal protein S5 × 1 （B6I217） 30S ribosomal protein S6 × 1 （S1CG62） 30S ribosomal protein S7 × 1 （S1D5F0） 30S ribosomal protein S8 × 1 （D8A1L7） tRNA × 1 mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	T9TH92_ECOLX
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain o； PDBConstruct 1–127； UniProt 4–130

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	6o7k
Deposition date deposition_date	2019-03-08
Structure title title	30S initiation complex
Keywords keywords	30S Initiation complex with IF1, IF2 and P/I tRNA, 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.

6o7k__assembly_1__model_1

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

Download this curve (.dat)

6o7k__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6o7k__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	67.52 Å
Rg (electron density)	67.81 Å
Total Rg	67.86 Å
Atom count	57748
Residues	4556
Excluded volume	900640 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6o7k__assembly_1__model_1`	25-meric （25）	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 (25)

Entity 1 Entity 1 polymer

Description description	Translation initiation factor IF-1
Molecular weight formula_weight	8116.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	5
Atom count atom_count	57748

AKEKDTIRTEGVVTEALPNATFRVKLDSGPEILAYISGKMRMHYIRILPGDRVVVEITPYDPTRGRIVYRK

Entity 2 Entity 2 polymer

Description description	Translation initiation factor IF-2
Molecular weight formula_weight	54866.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	f

DTGAAAEPRAPVVTIMGHVDHGKTSLLDYIRSTKVASGEAGGITQHIGAYHVETENGMITFLDTPGHAAFTSMRARGAQATDIVVLVVAADDGVMPQTIEAIQHAKAAQVPVVVAVNKIDKPEADPDRVKNELSQYGILPEEWGGESQFVHVSAKAGTGIDELLDAILLQAEVLELKAVRKGMASGAVIESFLDKGRGPVATVLVREGTLHKGDIVLCGFEYGRVRAMRNELGQEVLEAGPSIPVEILGLSGVPAAGDEVTVVRDEKKAREVALYRQGKFREVKLARQQKSKLENMFANMTEGEVHEVNIVLKADVQGSVEAISDSLLKLSTDEVKVKIIGSGVGGITETDATLAAASNAILVGFNVRADASARKVIEAESLDLRYYSVIYNLIDEVKAAMSGMLSPELKQQIIGLAEVRDVFKSPKFGAIAGCMVTEGVVKRHNPIRVLRDNVVIYEGELESLRRFKDDVNEVRNGMECGIGVKNYNDVRTGDVIEVFEIIEIQRTIA

Entity 3 Entity 3 polymer

Description description	16S ribosomal RNA
Molecular weight formula_weight	498725.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	g

AAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAAGUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAAUGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAUAACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUGGGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGAGGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGGGGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCUUCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUUGACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCAGAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUCGUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACCGGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCAAACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCCCUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCAAGGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAGAAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGAAAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGCCGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUCAUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCGACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAACUCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGUUCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGUAGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAACAAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCU

Entity 4 Entity 4 polymer

Description description	30S ribosomal protein S17
Molecular weight formula_weight	9263.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

KIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVEIRECRPLSKTKSWTLVRVVEKAV

Entity 5 Entity 5 polymer

Description description	30S ribosomal protein S10
Molecular weight formula_weight	11197.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	r

RIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKDARDQYEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISL

Entity 6 Entity 6 polymer

Description description	30S ribosomal protein S11
Molecular weight formula_weight	12487.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	q

RKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV

Entity 7 Entity 7 polymer

Description description	30S ribosomal protein S12
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 8 Entity 8 polymer

Description description	30S ribosomal protein S13
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 9 Entity 9 polymer

Description description	30S ribosomal protein S14
Molecular weight formula_weight	11489.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	w

AKQSMKAREVKRVALADKYFAKRAELKAIISDVNASDEERWNAVLKLQTLPRDSSPSRQRNRCRQTGRPHGFLRKFGLSRIKVREAAMRGEIPGLKKASW

Entity 10 Entity 10 polymer

Description description	30S ribosomal protein S15
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 11 Entity 11 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 12 Entity 12 polymer

Description description	30S ribosomal protein S18
Molecular weight formula_weight	6466.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1

EIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIKRARYLSLLPYTDRH

Entity 13 Entity 13 polymer

Description description	30S ribosomal protein S19
Molecular weight formula_weight	9057.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	z

RSLKKGPFIDLHLLKKVEKAVESGDKKPLRTWSRRSTIFPNMIGLTIAVHNGRQHVPVFVTDEMVGHKLGEFAPTRTYR

Entity 14 Entity 14 polymer

Description description	30S ribosomal protein S2
Molecular weight formula_weight	24253.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	j

MLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRS

Entity 15 Entity 15 polymer

Description description	30S ribosomal protein S20
Molecular weight formula_weight	9506.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

NIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA

Entity 16 Entity 16 polymer

Description description	30S ribosomal protein S21
Molecular weight formula_weight	6067.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVK

Entity 17 Entity 17 polymer

Description description	30S ribosomal protein S3
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 18 Entity 18 polymer

Description description	30S ribosomal protein S4
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 19 Entity 19 polymer

Description description	30S ribosomal protein S5
Molecular weight formula_weight	15804.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	k

ELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGK

Entity 20 Entity 20 polymer

Description description	30S ribosomal protein S6
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 21 Entity 21 polymer

Description description	30S ribosomal protein S7
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 22 Entity 22 polymer

Description description	30S ribosomal protein S8
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 23 Entity 23 polymer

Description description	30S ribosomal protein S9
Molecular weight formula_weight	14554.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	o

NQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEKLDLYITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRKARRRPQFSKR

Entity 24 Entity 24 polymer

Description description	tRNA
Molecular weight formula_weight	24786.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	v

CGCGGGGUGGAGCAGCCUGGUAGCUCGUCGGGCUCAUAACCCGAAGAUCGUCGGUUCAAAUCCGGCCCCCGCAACCA

Entity 25 Entity 25 polymer

Description description	mRNA
Molecular weight formula_weight	1900.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	N

AAUAUG

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Resolution resolution	4.20 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	86367

30S initiation complex

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

Translation initiation factor IF-2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S17

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S10

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S11

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S12

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S13

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S14

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S15

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S16

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S18

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer