1wa1

Crystal Structure Of H313Q Mutant Of Alcaligenes Xylosoxidans Nitrite Reductase

Method: X-RAY DIFFRACTION Dmax: 82.9 Å Quality: REASONABLE

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

DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE

ALCALIGENES XYLOSOXIDANS

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 X; UniProt 25–360 Mutation:YES CU COPPER (II) ION × 6 ZN ZINC ION × 3 SO4 SULFATE ION × 3 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;294 K;CRYSTALS OF HIS313GLN NIR WERE GROWN BY THE HANGING-DROP VAPOUR DIFFUSION METHOD AT 21OC. 2ML OF 6-8 MG ML-1 PROTEIN IN 10 MM TRIS-HCL PH 7.1 WAS MIXED WITH AN EQUAL VOLUME OF RESERVOIR SOLUTION CONSISTING OF 25% PEG-MME 550, 10 MM ZINC SULPHATE, 0.1M MES PH 6.5 AND SUSPENDED OVER A 500 ML RESERVOIR. CRYSTALS OF BOTH MUTANTS WERE AN INTENSE BLUE COLOUR AND GREW WITHIN TWO DAYS TO APPROXIMATE DIMENSIONS 0.9 X 0.6 X 0.1 MM IN A RHOMBOHEDRAL MORPHOLOGY. Resolution 1.65 Å R-free 0.191

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
Isoform
PDB entities 1
Chains and sequence ranges Author chain X; PDBConstruct 1–336; 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 1wa1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1wa1
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1wa1
Deposition date deposition_date2004-10-22
Structure title titleCrystal Structure Of H313Q Mutant Of Alcaligenes Xylosoxidans Nitrite Reductase
Keywords keywordsREDUCTASE, NITRITE REDUCTASE, H313Q MUTANT; REDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.60
Radius of gyration Rg (electron density) rg_electron20.86
Forward intensity I(0) i023231800.00
Molecular weight molecular_weight36458.0 kDa
Excluded volume excluded_volume45424 ų
Envelope volume envelope_volume54637 ų
Hydration-shell volume shell_volume21912 ų
Envelope diameter envelope_diameter87.1
Shell Rg shell_rg27.54
Envelope Rg envelope_rg22.05
Shape Rg shape_rg20.86
Total Rg total_rg21.74
Total atoms total_atoms2559
Residues n_residues335
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 dmax82.9
Rg (real space) rg_real21.62
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real2.3230e+07
I(0) uncertainty (real space) i0_real_error3.7420e+05
Rg (reciprocal space) rg_reciprocal21.62
I(0) (reciprocal space) i0_reciprocal23230000.0000
Solution quality estimate total_estimate0.7248
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.4
Skewness Skewness skewness0.457
Kurtosis Kurtosis kurtosis0.070
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6129000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.539; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.802; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1wa1x1
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_idd1wa1x2
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_id1wa1X01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1wa1X02
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)