1ntd

STRUCTURE OF ALCALIGENES FAECALIS NITRITE REDUCTASE MUTANT M150E THAT CONTAINS ZINC

Method: X-RAY DIFFRACTION Dmax: 80.5 Å Quality: REASONABLE

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

NITRITE REDUCTASE

Alcaligenes faecalis

UniProt P38501

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 34–376 Mutation:M150E CU COPPER (II) ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.30 Å R-free 0.232

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.

46 other PDB entries and 46 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NIR_ALCFA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–343; UniProt 34–376

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 1ntd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1ntd
Deposition date deposition_date1995-07-03
Structure title titleSTRUCTURE OF ALCALIGENES FAECALIS NITRITE REDUCTASE MUTANT M150E THAT CONTAINS ZINC
Keywords keywordsOXIDOREDUCTASE, FLAVOPROTEIN, FAD, NITRATE ASSIMILATION, OXIDOREDUCTASE (NITRIC OXIDE(A)); OXIDOREDUCTASE (NITRIC OXIDE(A))
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.89
Radius of gyration Rg (electron density) rg_electron20.86
Forward intensity I(0) i022751100.00
Molecular weight molecular_weight36420.0 kDa
Excluded volume excluded_volume45573 ų
Envelope volume envelope_volume55109 ų
Hydration-shell volume shell_volume22068 ų
Envelope diameter envelope_diameter87.1
Shell Rg shell_rg27.76
Envelope Rg envelope_rg21.88
Shape Rg shape_rg20.83
Total Rg total_rg21.89
Total atoms total_atoms2566
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 dmax80.5
Rg (real space) rg_real21.91
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real2.2750e+07
I(0) uncertainty (real space) i0_real_error3.4370e+05
Rg (reciprocal space) rg_reciprocal21.91
I(0) (reciprocal space) i0_reciprocal22750000.0000
Solution quality estimate total_estimate0.7483
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.0
Skewness Skewness skewness0.438
Kurtosis Kurtosis kurtosis-0.036
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5634000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.623; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.855; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ntda1
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_idd1ntda2
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_id1ntdA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1ntdA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins

8. Citations (3)

9. Files and Curves (10)