1f20

CRYSTAL STRUCTURE OF RAT NEURONAL NITRIC-OXIDE SYNTHASE FAD/NADP+ DOMAIN AT 1.9A RESOLUTION.

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

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

NITRIC-OXIDE SYNTHASE

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 963–1397 Not recorded FAD FLAVIN-ADENINE DINUCLEOTIDE × 1 NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 GOL GLYCEROL × 5 FMT FORMIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;EVAPORATION Resolution 1.90 Å R-free 0.206

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 1–435; UniProt 963–1397

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 1f20

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1f20
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1f20
Deposition date deposition_date2000-05-22
Structure title titleCRYSTAL STRUCTURE OF RAT NEURONAL NITRIC-OXIDE SYNTHASE FAD/NADP+ DOMAIN AT 1.9A RESOLUTION.
Keywords keywordsNitric-xoide synthase, reductase domain, FAD, NADP+, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.33
Radius of gyration Rg (electron density) rg_electron25.66
Forward intensity I(0) i046911600.00
Molecular weight molecular_weight51796.0 kDa
Excluded volume excluded_volume64285 ų
Envelope volume envelope_volume80169 ų
Hydration-shell volume shell_volume26414 ų
Envelope diameter envelope_diameter88.6
Shell Rg shell_rg32.51
Envelope Rg envelope_rg25.95
Shape Rg shape_rg25.64
Total Rg total_rg26.46
Total atoms total_atoms3641
Residues n_residues435
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_real26.37
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real4.6910e+07
I(0) uncertainty (real space) i0_real_error6.1770e+05
Rg (reciprocal space) rg_reciprocal26.36
I(0) (reciprocal space) i0_reciprocal46910000.0000
Solution quality estimate total_estimate0.8997
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.6
Skewness Skewness skewness0.364
Kurtosis Kurtosis kurtosis-0.470
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7826000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.918; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.967; Smooth: 0.970

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_idd1f20a1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.1 — NADPH-cytochrome p450 reductase FAD-binding domain-like
Domain ID domain_idd1f20a2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.4 — NADPH-cytochrome p450 reductase-like

CATH v4.4 (3 domains)

Domain ID domain_id1f20A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
Domain ID domain_id1f20A02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology990 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Homologous superfamily homologous superfamily10 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Domain ID domain_id1f20A03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors

8. Citations (1)

9. Files and Curves (10)