1qwc

Rat neuronal nitric oxide synthase oxygenase domain in complex with W1400 inhibitor.

Method: X-RAY DIFFRACTION Dmax: 79.6 Å Quality: GOOD

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

Nitric-oxide synthase, brain

Rattus norvegicus

UniProt P29476

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 298–716 Fragment:residues 298-716 ZN ZINC ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 14W N-(3-(AMINOMETHYL)BENZYL)ACETAMIDINE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;HEPES, DTT, PEG3350, EPPS, NaCl, glycerol, H4B, β-mercaptoethanol, W1400., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.30 Å R-free 0.235

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.

348 other PDB entries and 351 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS1_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–420; UniProt 298–716

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 1qwc

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1qwc
Deposition date deposition_date2003-09-02
Structure title titleRat neuronal nitric oxide synthase oxygenase domain in complex with W1400 inhibitor.
Keywords keywordsRat nNOSoxy W1400 inhibitor complex, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.66
Radius of gyration Rg (electron density) rg_electron22.69
Forward intensity I(0) i041345000.00
Molecular weight molecular_weight49599.0 kDa
Excluded volume excluded_volume62018 ų
Envelope volume envelope_volume72807 ų
Hydration-shell volume shell_volume26593 ų
Envelope diameter envelope_diameter85.5
Shell Rg shell_rg30.02
Envelope Rg envelope_rg22.97
Shape Rg shape_rg22.67
Total Rg total_rg23.64
Total atoms total_atoms3492
Residues n_residues420
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 dmax79.6
Rg (real space) rg_real23.59
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real4.1340e+07
I(0) uncertainty (real space) i0_real_error6.0650e+05
Rg (reciprocal space) rg_reciprocal23.61
I(0) (reciprocal space) i0_reciprocal41350000.0000
Solution quality estimate total_estimate0.7995
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary29.8
Skewness Skewness skewness0.301
Kurtosis Kurtosis kurtosis-0.215
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9650000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.799; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1qwca1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.174 — Nitric oxide (NO) synthase oxygenase domain
Superfamily Superfamily superfamilyd.174.1 — Nitric oxide (NO) synthase oxygenase domain
Family Family familyd.174.1.1 — Nitric oxide (NO) synthase oxygenase domain
Domain ID domain_idd1qwca2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id1qwcA01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology340 — Nitric Oxide Synthase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Nitric Oxide Synthase; Chain A, domain 1
Domain ID domain_id1qwcA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology440 — Nitric Oxide Synthase;Heme Domain; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Nitric Oxide Synthase;Heme Domain;Chain A domain 2
Domain ID domain_id1qwcA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1230 — Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3
Homologous superfamily homologous superfamily10 — Nitric Oxide Synthase; Chain A, domain 3

8. Citations (1)

9. Files and Curves (10)