1l9q

CRYSTAL STRUCTURE OF THE I257L VARIANT OF THE COPPER-CONTAINING NITRITE REDUCTASE FROM ALCALIGENES FAECALIS S-6

Method: X-RAY DIFFRACTION Dmax: 84.2 Å Quality: EXCELLENT

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

COPPER-CONTAINING 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 40–376 Chain B; UniProt 40–376 Chain C; UniProt 40–376 Fragment:RESIDUES 40-376 Mutation:I257L CU COPPER (II) ION × 6 NO2 NITRITE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;298 K;acetate peg 4000, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.70 Å R-free 0.188

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 1–337; UniProt 40–376 Author chain B; PDBConstruct 1–337; UniProt 40–376 Author chain C; PDBConstruct 1–337; UniProt 40–376

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 1l9q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1l9q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1l9q
Deposition date deposition_date2002-03-26
Structure title titleCRYSTAL STRUCTURE OF THE I257L VARIANT OF THE COPPER-CONTAINING NITRITE REDUCTASE FROM ALCALIGENES FAECALIS S-6
Keywords keywordscupredoxin fold, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.58
Radius of gyration Rg (electron density) rg_electron27.57
Forward intensity I(0) i0186870000.00
Molecular weight molecular_weight109270.0 kDa
Excluded volume excluded_volume136680 ų
Envelope volume envelope_volume156760 ų
Hydration-shell volume shell_volume44589 ų
Envelope diameter envelope_diameter88.2
Shell Rg shell_rg37.05
Envelope Rg envelope_rg27.85
Shape Rg shape_rg27.54
Total Rg total_rg28.52
Total atoms total_atoms7695
Residues n_residues1008
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 dmax84.2
Rg (real space) rg_real28.40
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real1.8690e+08
I(0) uncertainty (real space) i0_real_error2.2850e+06
Rg (reciprocal space) rg_reciprocal28.48
I(0) (reciprocal space) i0_reciprocal186900000.0000
Solution quality estimate total_estimate0.9087
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary36.8
Skewness Skewness skewness0.103
Kurtosis Kurtosis kurtosis-0.567
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha64770000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.963; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1l9qa1
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_idd1l9qa2
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_idd1l9qb1
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_idd1l9qb2
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_idd1l9qc1
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_idd1l9qc2
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 (6 domains)

Domain ID domain_id1l9qA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1l9qA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1l9qB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1l9qB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1l9qC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1l9qC02
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)