1rsv

azide complex of the diferrous E238A mutant R2 subunit of ribonucleotide reductase

Method: X-RAY DIFFRACTION Dmax: 82.8 Å Quality: REASONABLE

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

Ribonucleoside-diphosphate reductase 1 beta chain

Escherichia coli

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–375 Chain B; UniProt 1–375 Mutation:Y122F, E238A FE FE (III) ION × 4 HG MERCURY (II) ION × 12 AZI AZIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;100mM MES, 200mM NaCl, 1mM EMTS (Thimerosal), 16-24% PEG 4000, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.20 Å R-free 0.256

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–375; UniProt 1–375 Author chain B; PDBConstruct 1–375; UniProt 1–375

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 1rsv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1rsv
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1rsv
Deposition date deposition_date2003-12-10
Structure title titleazide complex of the diferrous E238A mutant R2 subunit of ribonucleotide reductase
Keywords keywordsDiiron, Azide, radical generation, chemical rescue, Oxidoreductase; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.96
Radius of gyration Rg (electron density) rg_electron25.87
Forward intensity I(0) i0114661000.00
Molecular weight molecular_weight81674.0 kDa
Excluded volume excluded_volume100020 ų
Envelope volume envelope_volume112310 ų
Hydration-shell volume shell_volume35279 ų
Envelope diameter envelope_diameter88.9
Shell Rg shell_rg34.41
Envelope Rg envelope_rg26.16
Shape Rg shape_rg25.86
Total Rg total_rg26.68
Total atoms total_atoms5591
Residues n_residues681
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 dmax82.8
Rg (real space) rg_real26.87
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real1.1470e+08
I(0) uncertainty (real space) i0_real_error1.6250e+06
Rg (reciprocal space) rg_reciprocal26.90
I(0) (reciprocal space) i0_reciprocal114700000.0000
Solution quality estimate total_estimate0.7177
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.9
Skewness Skewness skewness0.260
Kurtosis Kurtosis kurtosis-0.451
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha19420000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 0.199; Positv: 1.000; Valcen: 1.000; Smooth: 0.881

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1rsva_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like
Domain ID domain_idd1rsvb_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like

CATH v4.4 (2 domains)

Domain ID domain_id1rsvA00
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_id1rsvB00
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)