5cns

Crystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex bound to CDP and dATP at 2.97 Angstroms resolution

Method: X-RAY DIFFRACTION Dmax: 199.8 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) CDP CYTIDINE-5'-DIPHOSPHATE × 4 DAT 2'-DEOXYADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 8 DTP 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE × 4 FEO MU-OXO-DIIRON × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;9.5% (w/v) PEG 3350, 100 mM MOPS, 250 mM Mg(CH3COO)2, 25 mM 394 MgCl2, 5% (v/v) glycerol Resolution 2.98 Å R-free 0.214

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) CDP CYTIDINE-5'-DIPHOSPHATE × 4 DAT 2'-DEOXYADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 8 DTP 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE × 4 FEO MU-OXO-DIIRON × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;9.5% (w/v) PEG 3350, 100 mM MOPS, 250 mM Mg(CH3COO)2, 25 mM 394 MgCl2, 5% (v/v) glycerol Resolution 2.98 Å R-free 0.214

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 5cns

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5cns
Deposition date deposition_date2015-07-18
Structure title titleCrystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex bound to CDP and dATP at 2.97 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_guinier70.81
Radius of gyration Rg (electron density) rg_electron70.32
Forward intensity I(0) i03511020000.00
Molecular weight molecular_weight501160.0 kDa
Excluded volume excluded_volume625510 ų
Envelope volume envelope_volume1010000 ų
Hydration-shell volume shell_volume117000 ų
Envelope diameter envelope_diameter205.7
Shell Rg shell_rg81.13
Envelope Rg envelope_rg63.91
Shape Rg shape_rg70.33
Total Rg total_rg70.43
Total atoms total_atoms35263
Residues n_residues4353
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 dmax199.8
Rg (real space) rg_real70.53
Rg uncertainty (real space) rg_real_error1.22
I(0) (real space) i0_real3.5110e+09
I(0) uncertainty (real space) i0_real_error6.4080e+07
Rg (reciprocal space) rg_reciprocal71.53
I(0) (reciprocal space) i0_reciprocal3517000000.0000
Solution quality estimate total_estimate0.7890
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary118.1
Skewness Skewness skewness-0.196
Kurtosis Kurtosis kurtosis-0.962
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.0003
Highest regularization parameter α highest_alpha68090000.0000
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: 0.846; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd5cnsa1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd5cnsa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain
Domain ID domain_idd5cnsb1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd5cnsb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain
Domain ID domain_idd5cnsc1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd5cnsc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain
Domain ID domain_idd5cnsd1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd5cnsd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain

CATH v4.4 (8 domains)

Domain ID domain_id5cnsA02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnsB02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnsC02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnsD02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id5cnsE00
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_id5cnsF00
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_id5cnsG00
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_id5cnsH00
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)