5cnv

Crystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex bound to GDP and TTP at 3.20 Angstroms resolution

Method: X-RAY DIFFRACTION Dmax: 199.7 Å Quality: GOOD

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

Ribonucleoside-diphosphate reductase 1 subunit alpha

Escherichia coli (strain K12)

UniProt P00452

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 heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 1–761 Chain B; UniProt 1–761 Chain C; UniProt 1–761 Chain D; UniProt 1–761 Not recorded Ribonucleoside-diphosphate reductase 1 subunit beta × 4 (P69924) GDP GUANOSINE-5'-DIPHOSPHATE × 4 DAT 2'-DEOXYADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 8 TTP THYMIDINE-5'-TRIPHOSPHATE × 8 FEO MU-OXO-DIIRON × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;2% (w/v) PEG 3350, 100 mM MOPS pH 7.5, 300 mM Mg(CH3COO)2, 30 mM MgCl2, and 5% (v/v) glycerol Resolution 3.20 Å R-free 0.219

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.

33 other PDB entries and 104 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RIR1_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–761; UniProt 1–761 Author chain B; PDBConstruct 1–761; UniProt 1–761 Author chain C; PDBConstruct 1–761; UniProt 1–761 Author chain D; PDBConstruct 1–761; UniProt 1–761

Ribonucleoside-diphosphate reductase 1 subunit beta

Escherichia coli (strain K12)

UniProt P69924

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 heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain E; UniProt 2–376 Chain F; UniProt 2–376 Chain G; UniProt 2–376 Chain H; UniProt 2–376 Not recorded Ribonucleoside-diphosphate reductase 1 subunit alpha × 4 (P00452) GDP GUANOSINE-5'-DIPHOSPHATE × 4 DAT 2'-DEOXYADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 8 TTP THYMIDINE-5'-TRIPHOSPHATE × 8 FEO MU-OXO-DIIRON × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;2% (w/v) PEG 3350, 100 mM MOPS pH 7.5, 300 mM Mg(CH3COO)2, 30 mM MgCl2, and 5% (v/v) glycerol Resolution 3.20 Å R-free 0.219

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.

62 other PDB entries and 126 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RIR2_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–375; UniProt 2–376 Author chain F; PDBConstruct 1–375; UniProt 2–376 Author chain G; PDBConstruct 1–375; UniProt 2–376 Author chain H; PDBConstruct 1–375; UniProt 2–376

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 5cnv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5cnv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5cnv
Deposition date deposition_date2015-07-18
Structure title titleCrystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex bound to GDP and TTP at 3.20 Angstroms resolution
Keywords keywordsallostery, substrate specificity, ribonucleotide reductase, nucleotide metabolism, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier70.76
Radius of gyration Rg (electron density) rg_electron70.28
Forward intensity I(0) i03584280000.00
Molecular weight molecular_weight504280.0 kDa
Excluded volume excluded_volume628540 ų
Envelope volume envelope_volume1011800 ų
Hydration-shell volume shell_volume117300 ų
Envelope diameter envelope_diameter204.9
Shell Rg shell_rg81.07
Envelope Rg envelope_rg63.87
Shape Rg shape_rg70.28
Total Rg total_rg70.41
Total atoms total_atoms35461
Residues n_residues4361
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 dmax199.7
Rg (real space) rg_real70.49
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real3.5840e+09
I(0) uncertainty (real space) i0_real_error7.5940e+07
Rg (reciprocal space) rg_reciprocal71.48
I(0) (reciprocal space) i0_reciprocal3591000000.0000
Solution quality estimate total_estimate0.7889
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary118.0
Skewness Skewness skewness-0.195
Kurtosis Kurtosis kurtosis-0.963
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.0003
Highest regularization parameter α highest_alpha69240000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.802; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.845; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id5cnvA02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnvB02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnvC02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnvD02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnvE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id5cnvF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id5cnvG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id5cnvH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A

8. Citations (1)

9. Files and Curves (10)