5b1k

Crystal structure of the chloride-bound form of blue copper nitrite reductase

Method: X-RAY DIFFRACTION Dmax: 85.9 Å Quality: REASONABLE

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

Copper-containing nitrite reductase

Alcaligenes xylosoxydans xylosoxydans

UniProt O68601

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 25–360 Not recorded CU COPPER (II) ION × 6 CL CHLORIDE ION × 3 PG4 TETRAETHYLENE GLYCOL × 6 X-RAY DIFFRACTION X-ray crystallization conditions:LIQUID DIFFUSION;293 K;PEG 3350, Sodium Chloride, Magnesium Chloride Resolution 1.35 Å R-free 0.173

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.

36 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name O68601_ALCXX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–337; UniProt 25–360

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 5b1k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5b1k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5b1k
Deposition date deposition_date2015-12-04
Structure title titleCrystal structure of the chloride-bound form of blue copper nitrite reductase
Keywords keywordscopper nitrite reductase, chloride ion, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.63
Radius of gyration Rg (electron density) rg_electron20.95
Forward intensity I(0) i023210700.00
Molecular weight molecular_weight36770.0 kDa
Excluded volume excluded_volume46036 ų
Envelope volume envelope_volume55534 ų
Hydration-shell volume shell_volume22117 ų
Envelope diameter envelope_diameter86.1
Shell Rg shell_rg27.72
Envelope Rg envelope_rg22.10
Shape Rg shape_rg20.93
Total Rg total_rg21.93
Total atoms total_atoms2584
Residues n_residues334
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 dmax85.9
Rg (real space) rg_real21.65
Rg uncertainty (real space) rg_real_error1.06
I(0) (real space) i0_real2.3210e+07
I(0) uncertainty (real space) i0_real_error3.5680e+05
Rg (reciprocal space) rg_reciprocal21.65
I(0) (reciprocal space) i0_reciprocal23210000.0000
Solution quality estimate total_estimate0.6664
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks4
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.447
Kurtosis Kurtosis kurtosis0.036
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6383000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.378; Stabil: 0.950; Sysdev: 1.000; Positv: 1.000; Valcen: 0.674; Smooth: 0.000

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_idd5b1ka1
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.3 — Multidomain cupredoxins
Domain ID domain_idd5b1ka2
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.3 — Multidomain cupredoxins

CATH v4.4 (2 domains)

Domain ID domain_id5b1kA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id5b1kA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins

8. Citations (1)

9. Files and Curves (10)