8cgi

Pentacycline TP038 bound to the 30S head

Method: ELECTRON MICROSCOPY Dmax: 122.3 Å Quality: GOOD

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

Large ribosomal subunit protein bL31A

OrganismNot specified

UniProt P0A7M9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain 4; UniProt 1–70 Not recorded 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

297 other PDB entries and 300 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RL31_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain 4; PDBConstruct 1–70; UniProt 1–70

Small ribosomal subunit protein uS3

OrganismNot specified

UniProt P0A7V3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain C; UniProt 1–233 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

371 other PDB entries and 417 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS3_ECOLI
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–233; UniProt 1–233

30S ribosomal protein S7

OrganismNot specified

UniProt P02359

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain G; UniProt 1–179 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

503 other PDB entries and 548 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS7_ECOLI
Isoform
PDB entities 4
Chains and sequence ranges Author chain G; PDBConstruct 1–179; UniProt 1–179

Small ribosomal subunit protein uS9

OrganismNot specified

UniProt P0A7X3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain I; UniProt 1–130 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

377 other PDB entries and 423 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS9_ECOLI
Isoform
PDB entities 5
Chains and sequence ranges Author chain I; PDBConstruct 1–130; UniProt 1–130

Small ribosomal subunit protein uS10

OrganismNot specified

UniProt P0A7R5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain J; UniProt 1–103 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

380 other PDB entries and 431 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS10_ECOLI
Isoform
PDB entities 6
Chains and sequence ranges Author chain J; PDBConstruct 1–103; UniProt 1–103

Small ribosomal subunit protein uS13

OrganismNot specified

UniProt P0A7S9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain M; UniProt 1–118 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS14 × 1 (P0AG59) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

376 other PDB entries and 422 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS13_ECOLI
Isoform
PDB entities 7
Chains and sequence ranges Author chain M; PDBConstruct 1–118; UniProt 1–118

Small ribosomal subunit protein uS14

OrganismNot specified

UniProt P0AG59

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain N; UniProt 1–101 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS19 × 1 (P0A7U3) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

371 other PDB entries and 415 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS14_ECOLI
Isoform
PDB entities 8
Chains and sequence ranges Author chain N; PDBConstruct 1–101; UniProt 1–101

Small ribosomal subunit protein uS19

OrganismNot specified

UniProt P0A7U3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 8 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain S; UniProt 1–92 Not recorded Large ribosomal subunit protein bL31A × 1 (P0A7M9) 16S rRNA × 1 Small ribosomal subunit protein uS3 × 1 (P0A7V3) 30S ribosomal protein S7 × 1 (P02359) Small ribosomal subunit protein uS9 × 1 (P0A7X3) Small ribosomal subunit protein uS10 × 1 (P0A7R5) Small ribosomal subunit protein uS13 × 1 (P0A7S9) Small ribosomal subunit protein uS14 × 1 (P0AG59) P8F Pentacycline × 1 K POTASSIUM ION × 10 MG MAGNESIUM ION × 32 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.89 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

374 other PDB entries and 419 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RS19_ECOLI
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.

SAXS scattering curve SAXS Profile

SAXS profile for 8cgi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8cgi
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8cgi
Deposition date deposition_date2023-02-04
Structure title titlePentacycline TP038 bound to the 30S head
Keywords keywordsAntibiotic, RIBOSOME; RIBOSOME
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier38.85
Radius of gyration Rg (electron density) rg_electron38.60
Forward intensity I(0) i01874640000.00
Molecular weight molecular_weight245890.0 kDa
Excluded volume excluded_volume260800 ų
Envelope volume envelope_volume374730 ų
Hydration-shell volume shell_volume76803 ų
Envelope diameter envelope_diameter129.4
Shell Rg shell_rg47.27
Envelope Rg envelope_rg38.42
Shape Rg shape_rg38.59
Total Rg total_rg38.92
Total atoms total_atoms16605
Residues n_residues1298
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax122.3
Rg (real space) rg_real38.62
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.8750e+09
I(0) uncertainty (real space) i0_real_error2.7740e+07
Rg (reciprocal space) rg_reciprocal38.76
I(0) (reciprocal space) i0_reciprocal1875000000.0000
Solution quality estimate total_estimate0.8905
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary47.7
Skewness Skewness skewness0.190
Kurtosis Kurtosis kurtosis-0.432
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha144000000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.901; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.894

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (13)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id8cgiG01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology455 — Ribosomal Protein S7
Homologous superfamily homologous superfamily10 — Ribosomal protein S7/S5
Domain ID domain_id8cgiM01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily50

8. Citations (1)

9. Files and Curves (10)