8fgd

Structure of rat neuronal nitric oxide synthase R349A mutant heme domain in complex with 6-(5-(2-(diethylamino)ethyl)-2,3-difluorophenethyl)-4-methylpyridin-2-amine

Method: X-RAY DIFFRACTION Dmax: 81.3 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 297–718 Mutation:R349A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 XVF 6-(2-{5-[2-(diethylamino)ethyl]-2,3-difluorophenyl}ethyl)-4-methylpyridin-2-amine × 2 ACT ACETATE ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.8;277 K;20-24% PEG3350, 0.1M MES 0.14-0.20M AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 30uM SDS, 5 mM GSH Resolution 1.78 Å R-free 0.253

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 1–422; UniProt 297–718

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 8fgd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8fgd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8fgd
Deposition date deposition_date2022-12-12
最后修订 last_revision2023-10-11
Structure title titleStructure of rat neuronal nitric oxide synthase R349A mutant heme domain in complex with 6-(5-(2-(diethylamino)ethyl)-2,3-difluorophenethyl)-4-methylpyridin-2-amine
Keywords keywords;nitric oxide synthase inhibitor, heme enzyme, OXIDOREDUCTASE, OXIDOREDUCTASE-Inhibitor complex, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex ;; OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.60
Radius of gyration Rg (electron density) rg_electron22.63
Forward intensity I(0) i040290200.00
Molecular weight molecular_weight49248.0 kDa
Excluded volume excluded_volume61663 ų
Envelope volume envelope_volume72808 ų
Hydration-shell volume shell_volume26639 ų
Envelope diameter envelope_diameter84.5
Shell Rg shell_rg30.03
Envelope Rg envelope_rg22.95
Shape Rg shape_rg22.60
Total Rg total_rg23.60
Total atoms total_atoms3467
Residues n_residues415
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 dmax81.3
Rg (real space) rg_real23.53
Rg uncertainty (real space) rg_real_error0.47
I(0) (real space) i0_real4.0290e+07
I(0) uncertainty (real space) i0_real_error5.1550e+05
Rg (reciprocal space) rg_reciprocal23.54
I(0) (reciprocal space) i0_reciprocal40290000.0000
Solution quality estimate total_estimate0.8690
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.2
Skewness Skewness skewness0.308
Kurtosis Kurtosis kurtosis-0.201
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha9212000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.769; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)