7bge

Staphylococcus aureus 30S ribosomal subunit in presence of spermidine (head only)

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 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS2_STAA8
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain b； PDBConstruct 1–255； UniProt 1–255

30S ribosomal protein S3

OrganismNot specified

UniProt Q2FW12

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3_STAA8
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain c； PDBConstruct 1–217； UniProt 1–217

30S ribosomal protein S7

OrganismNot specified

UniProt P48940

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS7_STAA8
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain g； PDBConstruct 1–156； UniProt 1–156

30S ribosomal protein S9

OrganismNot specified

UniProt Q2FW39

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9_STAA8
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain i； PDBConstruct 1–132； UniProt 1–132

30S ribosomal protein S10

OrganismNot specified

UniProt Q931G5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS10_STAAM
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain j； PDBConstruct 1–102； UniProt 1–102

30S ribosomal protein S13

OrganismNot specified

UniProt Q2FW30

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S14 type Z × 1 （Q2FW19） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_STAA8
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain m； PDBConstruct 1–121； UniProt 1–121

30S ribosomal protein S14 type Z

OrganismNot specified

UniProt Q2FW19

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S19 × 1 （Q2FW10）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14Z_STAA8
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain n； PDBConstruct 1–61； UniProt 1–61

30S ribosomal protein S19

OrganismNot specified

UniProt Q2FW10

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 8 RNA 1	16S ribosomal RNA × 1 30S ribosomal protein S2 × 1 （Q2FZ25） 30S ribosomal protein S3 × 1 （Q2FW12） 30S ribosomal protein S7 × 1 （P48940） 30S ribosomal protein S9 × 1 （Q2FW39） 30S ribosomal protein S10 × 1 （Q931G5） 30S ribosomal protein S13 × 1 （Q2FW30） 30S ribosomal protein S14 type Z × 1 （Q2FW19）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS19_STAA8
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain s； PDBConstruct 1–92； UniProt 1–92

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	7bge
Deposition date deposition_date	2021-01-06
Structure title title	Staphylococcus aureus 30S ribosomal subunit in presence of spermidine (head only)
Keywords keywords	Pathogen, small ribosomal subunit, spermidine, 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.

7bge__assembly_1__model_1

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

Download this curve (.dat)

7bge__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7bge__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.47 Å
Rg (electron density)	39.70 Å
Total Rg	39.97 Å
Atom count	16988
Residues	1344
Excluded volume	266620 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7bge__assembly_1__model_1`	nonameric （9）	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 (9)

Entity 1 Entity 1 polymer

Description description	16S ribosomal RNA
Molecular weight formula_weight	503218.0 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	16988

UUUUCUGGAGAGUUUGAUCCUGGCUCAGGAUGAACGCUGGCGGCGUGCCUAAUACAUGCAAGUCGAGCGAACGGACGAGAAGCUUGCUUCUCUGAUGUUAGCGGCGGACGGGUGAGUAACACGUGGAUAACCUACCUAUAAGACUGGGAUAACUUCGGGAAACCGUAGCUAAUACCGGAUAAUAUUUUGAACCGCAUGGUUCAAAAGUGAAAGACGGUCUUGCUGUCACUUAUAGAUGGAUCCGCGCUGCAUUAGCUAGUUGGUAAGGUAACGGCUUACCAAGGCAACGAUGCAUAGCCGACCUGAGAGGGUGAUCGGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUAGGGAAUCUUCCGCAAUGGGCGAAAGCCUGACGGAGCAACGCCGCGUGAGUGAUGAAGGUCUUCGGAUCGUAAAACUCUGUUAUUAGGGAAGAACAUAUGUGUAAGUAACUGUGCACAUCUUGACGGUACCUAAUCAGAAAGCCACGGCUAACUACGUGCCAGCAGCCGCGGUAAUACGUAGGUGGCAAGCGUUAUCCGGAAUUAUUGGGCGUAAAGCGCGCGUAGGCGGUUUUUUAAGUCUGAUGUGAAAGCCCACGGCUCAACCGUGGAGGGUCAUUGGAAACUGGAAAACUUGAGUGCAGAAGAGGAAAGUGGAAUUCCAUGUGUAGCGGUGAAAUGCGCAGAGAUAUGGAGGAACACCAGUGGCGAAGGCGACUUUCUGGUCUGUAACUGACGCUGAUGUGCGAAAGCGUGGGGAUCAAACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGAGUGCUAAGUGUUAGGGGGUUUCCCGCCCCUUAGUGCUGCAGCUAACGCAUUAAGCACUCCGCCUGGGGAGUACGACCGCAAGGUUGAAACUCAAAGGAAUUGACGGGGACCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAAGCAACGCGAAGAACCUUACCAAAUCUUGACAUCCUUUGACAACUCUAGAGAUAGAGCCUUCCCCUUCGGGGGACAAAGUGACAGGUGGUGCAUGGUUGUCGUCAGCUCGUGUCGUGAGAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAAGCUUAGUUGCCAUCAUUAAGUUGGGCACUCUAAGUUGACUGCCGGUGACAAACCGGAGGAAGGUGGGGAUGACGUCAAAUCAUCAUGCCCCUUAUGAUUUGGGCUACACACGUGCUACAAUGGACAAUACAAAGGGCAGCGAAACCGCGAGGUCAAGCAAAUCCCAUAAAGUUGUUCUCAGUUCGGAUUGUAGUCUGCAACUCGACUACAUGAAGCUGGAAUCGCUAGUAAUCGUAGAUCAGCAUGCUACGGUGAAUACGUUCCCGGGUCUUGUACACACCGCCCGUCACACCACGAGAGUUUGUAACACCCGAAGCCGGUGGAGUAACCUUUUAGGAGCUAGCCGUCGAAGGUGGGACAAAUGAUUGGGGUGAAGUCGUAACAAGGUAGCCGUAUCGGAAGGUGCGGCUGGAUCACCUCCUUUCU

Entity 2 Entity 2 polymer

Description description	30S ribosomal protein S2
Molecular weight formula_weight	29136.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	b

MAVISMKQLLEAGVHFGHQTRRWNPKMKKYIFTERNGIYIIDLQKTVKKVDEAYNFLKQVSEDGGQVLFVGTKKQAQESVKSEAERAGQFYINQRWLGGLLTNYKTISKRIKRISEIEKMEEDGLFEVLPKKEVVELKKEYDRLIKFLGGIRDMKSMPQALFVVDPRKERNAIAEARKLNIPIVGIVDTNCDPDEIDYVIPANDDAIRAVKLLTAKMADAILEGQQGVSNEEVAAEQNIDLDEKEKSEETEATEE

Entity 3 Entity 3 polymer

Description description	30S ribosomal protein S3
Molecular weight formula_weight	24143.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	c

MGQKINPIGLRVGIIRDWEAKWYAEKDFASLLHEDLKIRKFIDNELKEASVSHVEIERAANRINIAIHTGKPGMVIGKGGSEIEKLRNKLNALTDKKVHINVIEIKKVDLDARLVAENIARQLENRASFRRVQKQAITRAMKLGAKGIKTQVSGRLGGADIARAEQYSEGTVPLHTLRADIDYAHAEADTTYGKLGVKVWIYRGEVLPTKNTSGGGK

Entity 4 Entity 4 polymer

Description description	30S ribosomal protein S7
Molecular weight formula_weight	17826.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	g

MPRKGSVPKRDVLPDPIHNSKLVTKLINKIMLDGKRGTAQRILYSAFDLVEQRSGRDALEVFEEAINNIMPVLEVKARRVGGSNYQVPVEVRPERRTTLGLRWLVNYARLRGEKTMEDRLANEILDAANNTGGAVKKREDTHKMAEANKAFAHYRW

Entity 5 Entity 5 polymer

Description description	30S ribosomal protein S9
Molecular weight formula_weight	14857.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	i

MTLAQVEYRGTGRRKNSVARVRLVPGEGNITVNNRDVREYLPFESLILDLNQPFDVTETKGNYDVLVNVHGGGFTGQAQAIRHGIARALLEADPEYRGSLKRAGLLTRDPRMKERKKPGLKAARRSPQFSKR

Entity 6 Entity 6 polymer

Description description	30S ribosomal protein S10
Molecular weight formula_weight	11600.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	j

MAKQKIRIRLKAYDHRVIDQSAEKIVETAKRSGADVSGPIPLPTEKSVYTIIRAVHMYKDSREQFEQRTHKRLIDIVNPTPKTVDALMGLNLPSGVDIEIKL

Entity 7 Entity 7 polymer

Description description	30S ribosomal protein S13
Molecular weight formula_weight	13747.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	m

MARIAGVDIPREKRVVISLTYIYGIGTSTAQKILEEANVSADTRVKDLTDDELGRIREVVDGYKVEGDLRRETNLNIKRLMEISSYRGIRHRRGLPVRGQKTKNNARTRKGPVKTVANKKK

Entity 8 Entity 8 polymer

Description description	30S ribosomal protein S14 type Z
Molecular weight formula_weight	7317.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	n

MAKTSMVAKQQKKQKYAVREYTRCERCGRPHSVYRKFKLCRICFRELAYKGQIPGVRKASW

Entity 9 Entity 9 polymer

Description description	30S ribosomal protein S19
Molecular weight formula_weight	10639.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	s

MARSIKKGPFVDEHLMKKVEAQEGSEKKQVIKTWSRRSTIFPNFIGHTFAVYDGRKHVPVYVTEDMVGHKLGEFAPTRTFKGHVADDKKTRR

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

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

Resolution resolution	3.60 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	529602

Staphylococcus aureus 30S ribosomal subunit in presence of spermidine (head only)

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 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 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 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 type Z

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 S19

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

7bge__assembly_1__model_1

7bge__assembly_1__model_1 | I(q)

7bge__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (9)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer