8jsh

Structure of the 30S-body-IF3 complex from Escherichia coli

Method: ELECTRON MICROSCOPY

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

30S ribosomal protein S18

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 13 RNA 1	30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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 1–75； UniProt 1–75

30S ribosomal protein S21

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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 1–71； UniProt 1–71

30S ribosomal protein S20

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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 1–87； UniProt 1–87

30S ribosomal protein S17

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	4
Chains and sequence ranges	Author chain P； PDBConstruct 1–84； UniProt 1–84

30S ribosomal protein S5

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	6
Chains and sequence ranges	Author chain k； PDBConstruct 1–167； UniProt 1–167

30S ribosomal protein S4

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	7
Chains and sequence ranges	Author chain l； PDBConstruct 1–206； UniProt 1–206

30S ribosomal protein S6, fully 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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS6_ECOLI
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain n； PDBConstruct 1–135； UniProt 1–135

30S ribosomal protein S8

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	9
Chains and sequence ranges	Author chain p； PDBConstruct 1–130； UniProt 1–130

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	10
Chains and sequence ranges	Author chain q； PDBConstruct 1–129； UniProt 1–129

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	11
Chains and sequence ranges	Author chain t； PDBConstruct 1–124； UniProt 1–124

30S ribosomal protein S15

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S16 × 1 （P0A7T3） Translation initiation factor IF-3 × 1 （C3T7P7）	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	12
Chains and sequence ranges	Author chain u； PDBConstruct 1–89； UniProt 1–89

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） Translation initiation factor IF-3 × 1 （C3T7P7）	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	13
Chains and sequence ranges	Author chain y； PDBConstruct 1–82； UniProt 1–82

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 13 RNA 1	30S ribosomal protein S18 × 1 （P0A7T7） 30S ribosomal protein S21 × 1 （P68679） 30S ribosomal protein S20 × 1 （P0A7U7） 30S ribosomal protein S17 × 1 （P0AG63） 16S ribosomal RNA × 1 30S ribosomal protein S5 × 1 （P0A7W1） 30S ribosomal protein S4 × 1 （P0A7V8） 30S ribosomal protein S6, fully modified isoform × 1 （P02358） 30S ribosomal protein S8 × 1 （P0A7W7） Small ribosomal subunit protein uS11 × 1 （P0A7R9） Small ribosomal subunit protein uS12 × 1 （P0A7S3） 30S ribosomal protein S15 × 1 （P0ADZ4） 30S ribosomal protein S16 × 1 （P0A7T3）	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	14
Chains and sequence ranges	Author chain A； PDBConstruct 1–180； UniProt 1–180

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8jsh
Deposition date deposition_date	2023-06-20
Structure title title	Structure of the 30S-body-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.

8jsh__assembly_1__model_1

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

Download this curve (.dat)

8jsh__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8jsh__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	58.06 Å
Rg (electron density)	59.06 Å
Total Rg	59.05 Å
Atom count	34331
Residues	2506
Excluded volume	526220 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8jsh__assembly_1__model_1`	tetradecameric （14）	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 (14)

Entity 1 Entity 1 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1
Atom count atom_count	34331

MARYFRRRKFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIKRARYLSLLPYTDRHQ

Entity 2 Entity 2 polymer

Description description	30S ribosomal protein S21
Molecular weight formula_weight	8524.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKLARENARRTRLY

Entity 3 Entity 3 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

MANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA

Entity 4 Entity 4 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MTDKIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVEIRECRPLSKTKSWTLVRVVEKAVL

Entity 5 Entity 5 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 6 Entity 6 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	k

MAHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILGK

Entity 7 Entity 7 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	l

MARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQKVRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSHKAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEGTFKRKPERSDLSADINEHLIVELYSK

Entity 8 Entity 8 polymer

Description description	30S ribosomal protein S6, fully modified isoform
Molecular weight formula_weight	15727.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	n

MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYVLMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEASPMVKAKDERRERRDDFANETADDAEAGDSEEEEEE

Entity 9 Entity 9 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	p

MSMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELELTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAGLGGEIICYVA

Entity 10 Entity 10 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	q

MAKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV

Entity 11 Entity 11 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	t

MATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNGFEVTSYIGGEGHNLQEHSVILIRGGRVKDLPGVRYHTVRGALDCSGVKDRKQARSKYGVKRPKA

Entity 12 Entity 12 polymer

Description description	30S ribosomal protein S15
Molecular weight formula_weight	10290.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	u

MSLSTEATAKIVSEFGRDANDTGSTEVQVALLTAQINHLQGHFAEHKKDHHSRRGLLRMVSQRRKLLDYLKRKDVARYTQLIERLGLRR

Entity 13 Entity 13 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 14 Entity 14 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)

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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	triclinic

Resolution resolution	4.40 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	145664

Structure of the 30S-body-IF3 complex from Escherichia coli

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

30S ribosomal protein S18

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 S21

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 S20

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 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 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 S6, fully modified isoform

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

Small ribosomal subunit protein uS11

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 uS12

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer