1gs6

Crystal structure of M144A mutant of Alcaligenes xylosoxidans Nitrite Reductase

Method: X-RAY DIFFRACTION Dmax: 89.2 Å Quality: GOOD

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 MG MAGNESIUM ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;30% PEG 4000, 0.1M MGCL2, 0.1M TRIS-HCL PH8.5, TEMP GRADIENT 4-32 DEGREES C, pH 8.50 Resolution 2.20 Å R-free 0.181

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 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 1gs6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1gs6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1gs6
Deposition date deposition_date2002-01-02
Structure title titleCrystal structure of M144A mutant of Alcaligenes xylosoxidans Nitrite Reductase
Keywords keywordsOXIDOREDUCTASE, MULTICOPPER, PERIPLASMIC; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.10
Radius of gyration Rg (electron density) rg_electron21.42
Forward intensity I(0) i023166600.00
Molecular weight molecular_weight36596.0 kDa
Excluded volume excluded_volume45757 ų
Envelope volume envelope_volume57082 ų
Hydration-shell volume shell_volume22407 ų
Envelope diameter envelope_diameter93.7
Shell Rg shell_rg27.94
Envelope Rg envelope_rg22.83
Shape Rg shape_rg21.39
Total Rg total_rg22.36
Total atoms total_atoms2575
Residues n_residues336
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 dmax89.2
Rg (real space) rg_real22.17
Rg uncertainty (real space) rg_real_error0.96
I(0) (real space) i0_real2.3170e+07
I(0) uncertainty (real space) i0_real_error3.4380e+05
Rg (reciprocal space) rg_reciprocal22.16
I(0) (reciprocal space) i0_reciprocal23170000.0000
Solution quality estimate total_estimate0.7578
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.3
Skewness Skewness skewness0.537
Kurtosis Kurtosis kurtosis0.287
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6374000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.419; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.592; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1gs6x1
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_idd1gs6x2
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_id1gs6X01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1gs6X02
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)