5lmq

Structure of bacterial 30S-IF1-IF3-mRNA-tRNA translation pre-initiation complex, open form (state-2A)

Method: ELECTRON MICROSCOPY

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

30S ribosomal protein S2

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	16S rRNA × 1 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS2_THET8
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–256； UniProt 1–256

30S ribosomal protein S3

OrganismNot specified

UniProt P80372

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3_THET8
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–239； UniProt 1–239

30S ribosomal protein S4

OrganismNot specified

UniProt P80373

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4_THET8
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–209； UniProt 1–209

30S ribosomal protein S5

OrganismNot specified

UniProt Q5SHQ5

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS5_THET8
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–162； UniProt 1–162

30S ribosomal protein S6

OrganismNot specified

UniProt Q5SLP8

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS6_THET8
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–101； UniProt 1–101

30S ribosomal protein S7

OrganismNot specified

UniProt P17291

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS7_THET8
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain G； PDBConstruct 1–156； UniProt 1–156

30S ribosomal protein S8

OrganismNot specified

UniProt Q5SHQ2

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8_THET8
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–138； UniProt 1–138

30S ribosomal protein S9

OrganismNot specified

UniProt P80374

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9_THET8
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–128； UniProt 1–128

30S ribosomal protein S10

OrganismNot specified

UniProt Q5SHN7

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS10_THET8
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–105； UniProt 1–105

30S ribosomal protein S11

OrganismNot specified

UniProt P80376

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS11_THET8
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain K； PDBConstruct 1–129； UniProt 1–129

30S ribosomal protein S12

OrganismNot specified

UniProt Q5SHN3

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS12_THET8
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain L； PDBConstruct 1–132； UniProt 1–132

30S ribosomal protein S13

OrganismNot specified

UniProt P80377

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_THET8
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain M； PDBConstruct 1–126； UniProt 1–126

30S ribosomal protein S14 type Z

OrganismNot specified

UniProt Q5SHQ1

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14Z_THET8
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain N； PDBConstruct 1–61； UniProt 1–61

30S ribosomal protein S15

OrganismNot specified

UniProt Q5SJ76

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS15_THET8
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain O； PDBConstruct 1–89； UniProt 1–89

30S ribosomal protein S16

OrganismNot specified

UniProt Q5SJH3

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS16_THET8
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain P； PDBConstruct 1–88； UniProt 1–88

30S ribosomal protein S17

OrganismNot specified

UniProt Q5SHP7

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS17_THET8
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain Q； PDBConstruct 1–105； UniProt 1–105

30S ribosomal protein S18

OrganismNot specified

UniProt Q5SLQ0

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS18_THET8
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain R； PDBConstruct 1–88； UniProt 1–88

30S ribosomal protein S19

OrganismNot specified

UniProt Q5SHP2

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS19_THET8
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain S； PDBConstruct 1–93； UniProt 1–93

30S ribosomal protein S20

OrganismNot specified

UniProt P80380

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS20_THET8
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain T； PDBConstruct 1–106； UniProt 1–106

30S ribosomal protein Thx

OrganismNot specified

UniProt Q5SIH3

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） Translation initiation factor IF-1 × 1 （Q5SHR1） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RSHX_THET8
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain V； PDBConstruct 1–27； UniProt 1–27

Translation initiation factor IF-1

Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)

UniProt Q5SHR1

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-3 × 1 （Q5SKU2） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF1_THET8
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain W； PDBConstruct 1–72； UniProt 1–72

Translation initiation factor IF-3

Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)

UniProt Q5SKU2

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	16S rRNA × 1 30S ribosomal protein S2 × 1 （P80371） 30S ribosomal protein S3 × 1 （P80372） 30S ribosomal protein S4 × 1 （P80373） 30S ribosomal protein S5 × 1 （Q5SHQ5） 30S ribosomal protein S6 × 1 （Q5SLP8） 30S ribosomal protein S7 × 1 （P17291） 30S ribosomal protein S8 × 1 （Q5SHQ2） 30S ribosomal protein S9 × 1 （P80374） 30S ribosomal protein S10 × 1 （Q5SHN7） 30S ribosomal protein S11 × 1 （P80376） 30S ribosomal protein S12 × 1 （Q5SHN3） 30S ribosomal protein S13 × 1 （P80377） 30S ribosomal protein S14 type Z × 1 （Q5SHQ1） 30S ribosomal protein S15 × 1 （Q5SJ76） 30S ribosomal protein S16 × 1 （Q5SJH3） 30S ribosomal protein S17 × 1 （Q5SHP7） 30S ribosomal protein S18 × 1 （Q5SLQ0） 30S ribosomal protein S19 × 1 （Q5SHP2） 30S ribosomal protein S20 × 1 （P80380） 30S ribosomal protein Thx × 1 （Q5SIH3） Translation initiation factor IF-1 × 1 （Q5SHR1） mRNA × 1 tRNA × 1 MAGNESIUM ION × 64 ZINC ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF3_THET8
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain X； PDBConstruct 1–171； UniProt 1–171

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	5lmq
Deposition date deposition_date	2016-08-01
Structure title title	Structure of bacterial 30S-IF1-IF3-mRNA-tRNA translation pre-initiation complex, open form (state-2A)
Keywords keywords	ribosome, translation, initiation factors, 30S, IF1, IF3, tRNAi, PIC, Thermus thermophilus; 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.

5lmq__assembly_1__model_1

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

Download this curve (.dat)

5lmq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5lmq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	65.70 Å
Rg (electron density)	65.92 Å
Total Rg	65.99 Å
Atom count	55841
Residues	4242
Excluded volume	868140 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5lmq__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 (27)

Entity 1 Entity 1 polymer

Description description	16S rRNA
Molecular weight formula_weight	493958.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	A
Atom count atom_count	55841

UUUGUUGGAGAGUUUGAUCCUGGCUCAGGGUGAACGCUGGCGGCGUGCCUAAGACAUGCAAGUCGUGCGGGCCGCGGGGUUUUACUCCGUGGUCAGCGGCGGACGGGUGAGUAACGCGUGGGUGACCUACCCGGAAGAGGGGGACAACCCGGGGAAACUCGGGCUAAUCCCCCAUGUGGACCCGCCCCUUGGGGUGUGUCCAAAGGGCUUUGCCCGCUUCCGGAUGGGCCCGCGUCCCAUCAGCUAGUUGGUGGGGUAAUGGCCCACCAAGGCGACGACGGGUAGCCGGUCUGAGAGGAUGGCCGGCCACAGGGGCACUGAGACACGGGCCCCACUCCUACGGGAGGCAGCAGUUAGGAAUCUUCCGCAAUGGGCGCAAGCCUGACGGAGCGACGCCGCUUGGAGGAAGAAGCCCUUCGGGGUGUAAACUCCUGAACCCGGGACGAAACCCCCGACGAGGGGACUGACGGUACCGGGGUAAUAGCGCCGGCCAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGCGCGAGCGUUACCCGGAUUCACUGGGCGUAAAGGGCGUGUAGGCGGCCUGGGGCGUCCCAUGUGAAAGACCACGGCUCAACCGUGGGGGAGCGUGGGAUACGCUCAGGCUAGACGGUGGGAGAGGGUGGUGGAAUUCCCGGAGUAGCGGUGAAAUGCGCAGAUACCGGGAGGAACGCCGAUGGCGAAGGCAGCCACCUGGUCCACCCGUGACGCUGAGGCGCGAAAGCGUGGGGAGCAAACCGGAUUAGAUACCCGGGUAGUCCACGCCCUAAACGAUGCGCGCUAGGUCUCUGGGUCUCCUGGGGGCCGAAGCUAACGCGUUAAGCGCGCCGCCUGGGGAGUACGGCCGCAAGGCUGAAACUCAAAGGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAAGCAACGCGAAGAACCUUACCAGGCCUUGACAUGCUAGGGAACCCGGGUGAAAGCCUGGGGUGCCCCGCGAGGGGAGCCCUAGCACAGGUGCUGCAUGGCCGUCGUCAGCUCGUGCCGUGAGGUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCCCGCCGUUAGUUGCCAGCGGUUCGGCCGGGCACUCUAACGGGACUGCCCGCGAAAGCGGGAGGAAGGAGGGGACGACGUCUGGUCAGCAUGGCCCUUACGGCCUGGGCGACACACGUGCUACAAUGCCCACUACAAAGCGAUGCCACCCGGCAACGGGGAGCUAAUCGCAAAAAGGUGGGCCCAGUUCGGAUUGGGGUCUGCAACCCGACCCCAUGAAGCCGGAAUCGCUAGUAAUCGCGGAUCAGCCAUGCCGCGGUGAAUACGUUCCCGGGCCUUGUACACACCGCCCGUCACGCCAUGGGAGCGGGCUCUACCCGAAGUCGCCGGGAGCCUACGGGCAGGCGCCGAGGGUAGGGCCCGUGACUGGGGCGAAGUCGUAACAAGGUAGCUGUACCGGAAGGUGCGGCUGGAUCACCUCCUUUCU

Entity 2 Entity 2 polymer

Description description	30S ribosomal protein S2
Molecular weight formula_weight	29317.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MPVEITVKELLEAGVHFGHERKRWNPKFARYIYAERNGIHIIDLQKTMEELERTFRFIEDLAMRGGTILFVGTKKQAQDIVRMEAERAGMPYVNQRWLGGMLTNFKTISQRVHRLEELEALFASPEIEERPKKEQVRLKHELERLQKYLSGFRLLKRLPDAIFVVDPTKEAIAVREARKLFIPVIALADTDSDPDLVDYIIPGNDDAIRSIQLILSRAVDLIIQARGGVVEPSPSYALVQEAEATETPEGESEVEA

Entity 3 Entity 3 polymer

Description description	30S ribosomal protein S3
Molecular weight formula_weight	26751.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MGNKIHPIGFRLGITRDWESRWYAGKKQYRHLLLEDQRIRGLLEKELYSAGLARVDIERAADNVAVTVHVAKPGVVIGRGGERIRVLREELAKLTGKNVALNVQEVQNPNLSAPLVAQRVAEQIERRFAVRRAIKQAVQRVMESGAKGAKVIVSGRIGGAEQARTEWAAQGRVPLHTLRANIDYGFALARTTYGVLGVKAYIFLGEVIGGQKPKARPELPKAEERPRRRRPAVRVKKEE

Entity 4 Entity 4 polymer

Description description	30S ribosomal protein S4
Molecular weight formula_weight	24373.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MGRYIGPVCRLCRREGVKLYLKGERCYSPKCAMERRPYPPGQHGQKRARRPSDYAVRLREKQKLRRIYGISERQFRNLFEEASKKKGVTGSVFLGLLESRLDNVVYRLGFAVSRRQARQLVRHGHITVNGRRVDLPSYRVRPGDEIAVAEKSRNLELIRQNLEAMKGRKVGPWLSLDVEGMKGKFLRLPDREDLALPVNEQLVIEFYSR

Entity 5 Entity 5 polymer

Description description	30S ribosomal protein S5
Molecular weight formula_weight	17583.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MPETDFEEKMILIRRTARMQAGGRRFRFGALVVVGDRQGRVGLGFGKAPEVPLAVQKAGYYARRNMVEVPLQNGTIPHEIEVEFGASKIVLKPAAPGTGVIAGAVPRAILELAGVTDILTKELGSRNPINIAYATMEALRQLRTKADVERLRKGEAHAQAQG

Entity 6 Entity 6 polymer

Description description	30S ribosomal protein S6
Molecular weight formula_weight	11988.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MRRYEVNIVLNPNLDQSQLALEKEIIQRALENYGARVEKVEELGLRRLAYPIAKDPQGYFLWYQVEMPEDRVNDLARELRIRDNVRRVMVVKSQEPFLANA

Entity 7 Entity 7 polymer

Description description	30S ribosomal protein S7
Molecular weight formula_weight	18051.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MARRRRAEVRQLQPDLVYGDVLVTAFINKIMRDGKKNLAARIFYDACKIIQEKTGQEPLKVFKQAVENVKPRMEVRSRRVGGANYQVPMEVSPRRQQSLALRWLVQAANQRPERRAAVRIAHELMDAAEGKGGAVKKKEDVERMAEANRAYAHYRW

Entity 8 Entity 8 polymer

Description description	30S ribosomal protein S8
Molecular weight formula_weight	15868.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MLTDPIADMLTRIRNATRVYKESTDVPASRFKEEILRILAREGFIKGYERVDVDGKPYLRVYLKYGPRRQGPDPRPEQVIHHIRRISKPGRRVYVGVKEIPRVRRGLGIAILSTSKGVLTDREARKLGVGGELICEVW

Entity 9 Entity 9 polymer

Description description	30S ribosomal protein S9
Molecular weight formula_weight	14410.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MEQYYGTGRRKEAVARVFLRPGNGKVTVNGQDFNEYFQGLVRAVAALEPLRAVDALGHFDAYITVRGGGKSGQIDAIKLGIARALVQYNPDYRAKLKPLGFLTRDARVVERKKYGKHKARRAPQYSKR

Entity 10 Entity 10 polymer

Description description	30S ribosomal protein S10
Molecular weight formula_weight	11955.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MPKIRIKLRGFDHKTLDASAQKIVEAARRSGAQVSGPIPLPTRVRRFTVIRGPFKHKDSREHFELRTHNRLVDIINPNRKTIEQLMTLDLPTGVEIEIKTVGGGR

Entity 11 Entity 11 polymer

Description description	30S ribosomal protein S11
Molecular weight formula_weight	13737.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MAKKPSKKKVKRQVASGRAYIHASYNNTIVTITDPDGNPITWSSGGVIGYKGSRKGTPYAAQLAALDAAKKAMAYGMQSVDVIVRGTGAGREQAIRALQASGLQVKSIVDDTPVPHNGCRPKKKFRKAS

Entity 12 Entity 12 polymer

Description description	30S ribosomal protein S12
Molecular weight formula_weight	14637.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MPTINQLVRKGREKVRKKSKVPALKGAPFRRGVCTVVRTVTPKKPNSALRKVAKVRLTSGYEVTAYIPGEGHNLQEHSVVLIRGGRVKDLPGVRYHIVRGVYDAAGVKDRKKSRSKYGTKKPKEAAKTAAKK

Entity 13 Entity 13 polymer

Description description	30S ribosomal protein S13
Molecular weight formula_weight	14338.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MARIAGVEIPRNKRVDVALTYIYGIGKARAKEALEKTGINPATRVKDLTEAEVVRLREYVENTWKLEGELRAEVAANIKRLMDIGCYRGLRHRRGLPVRGQRTRTNARTRKGPRKTVAGKKKAPRK

Entity 14 Entity 14 polymer

Description description	30S ribosomal protein S14 type Z
Molecular weight formula_weight	7158.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MARKALIEKAKRTPKFKVRAYTRCVRCGRARSVYRFFGLCRICLRELAHKGQLPGVRKASW

Entity 15 Entity 15 polymer

Description description	30S ribosomal protein S15
Molecular weight formula_weight	10578.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MPITKEEKQKVIQEFARFPGDTGSTEVQVALLTLRINRLSEHLKVHKKDHHSHRGLLMMVGQRRRLLRYLQREDPERYRALIEKLGIRG

Entity 16 Entity 16 polymer

Description description	30S ribosomal protein S16
Molecular weight formula_weight	10410.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MVKIRLARFGSKHNPHYRIVVTDARRKRDGKYIEKIGYYDPRKTTPDWLKVDVERARYWLSVGAQPTDTARRLLRQAGVFRQEAREGA

Entity 17 Entity 17 polymer

Description description	30S ribosomal protein S17
Molecular weight formula_weight	12325.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MPKKVLTGVVVSDKMQKTVTVLVERQFPHPLYGKVIKRSKKYLAHDPEEKYKLGDVVEIIESRPISKRKRFRVLRLVESGRMDLVEKYLIRRQNYESLSKRGGKA

Entity 18 Entity 18 polymer

Description description	30S ribosomal protein S18
Molecular weight formula_weight	10258.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MSTKNAKPKKEAQRRPSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSAKEQRILAKTIKRARILGLLPFTEKLVRK

Entity 19 Entity 19 polymer

Description description	30S ribosomal protein S19
Molecular weight formula_weight	10605.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

MPRSLKKGVFVDDHLLEKVLELNAKGEKRLIKTWSRRSTIVPEMVGHTIAVYNGKQHVPVYITENMVGHKLGEFAPTRTYRGHGKEAKATKKK

Entity 20 Entity 20 polymer

Description description	30S ribosomal protein S20
Molecular weight formula_weight	11736.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T

MAQKKPKRNLSALKRHRQSLKRRLRNKAKKSAIKTLSKKAIQLAQEGKAEEALKIMRKAESLIDKAAKGSTLHKNAAARRKSRLMRKVRQLLEAAGAPLIGGGLSA

Entity 21 Entity 21 polymer

Description description	30S ribosomal protein Thx
Molecular weight formula_weight	3350.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

MGKGDRRTRRGKIWRGTYGKYRPRKKK

Entity 22 Entity 22 polymer

Description description	Translation initiation factor IF-1
Molecular weight formula_weight	8247.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	W

MAKEKDTIRTEGVVTEALPNATFRVKLDSGPEILAYISGKMRMHYIRILPGDRVVVEITPYDPTRGRIVYRK

Source Source

Source organism organism	Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)
NCBI taxonomy ID ncbi_taxonomy_id	300852
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 23 Entity 23 polymer

Description description	Translation initiation factor IF-3
Molecular weight formula_weight	19904.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X

MKEYLTNERIRAKQVRVVGPDGKQLGIMDTREALRLAQEMDLDLVLVGPNADPPVARIMDYSKWRYEQQMAEKEARKKAKRTEVKSIKFRVKIDEHDYQTKLGHIKRFLQEGHKVKVTIMFRGREVAHPELGERILNRVTEDLKDLAVVEMKPEMLGRDMNMLLAPVKVSA

Source Source

Source organism organism	Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)
NCBI taxonomy ID ncbi_taxonomy_id	300852
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 24 Entity 24 polymer

Description description	mRNA
Molecular weight formula_weight	13466.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	Y

GCUCUUUUAACAAUUUAUCAGGCAAGGAGGUAAAAAUGUUCA

Entity 25 Entity 25 polymer

Description description	tRNA
Molecular weight formula_weight	24861.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	Z

CGCGGGGUGGAGCAGCCUGGUAGCUCGUCGGGCUCAUAACCCGAAGGUCGUCGGUUCAAAUCCGGCCCCCGCAACCA

Entity 26 Entity 26 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	64

Entity 27 Entity 27 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

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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	1

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

Resolution resolution	4.20 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	31888

Structure of bacterial 30S-IF1-IF3-mRNA-tRNA translation pre-initiation complex, open form (state-2A)

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

30S ribosomal protein S2

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 S3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S6

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S8

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S9

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S10

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

30S ribosomal protein S11

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer