9mwu

Structure of human endothelial nitric oxide synthase heme domain bound with N-(3-(((2-(3-(aminomethyl)-[1,1'-biphenyl]-4-yl)ethyl)amino)methyl)phenyl)furan-2-carboximidamide

Method: X-RAY DIFFRACTION Dmax: 93.5 Å Quality: EXCELLENT

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

Nitric oxide synthase 3

Homo sapiens

UniProt P29474

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 41–481 Chain B; UniProt 41–481 Fragment:heme domain HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 A1BT2 N-{3-[({2-[3-(aminomethyl)[1,1'-biphenyl]-4-yl]ethyl}amino)methyl]phenyl}furan-2-carboximidamide × 2 ACT ACETATE ION × 3 BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 5 GOL GLYCEROL × 3 CL CHLORIDE ION × 2 GD GADOLINIUM ATOM × 2 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;277 K;10-12% PEG3350, 0.1M BIS-TRIS 0.2-0.3M MG ACETATE 0.1M GDCL3 10% GLYCEROL, 5 MM TCEP Resolution 1.74 Å R-free 0.182

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.

94 other PDB entries and 183 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–441; UniProt 41–481 Author chain B; PDBConstruct 1–441; UniProt 41–481

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 9mwu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9mwu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9mwu
Deposition date deposition_date2025-01-17
Structure title titleStructure of human endothelial nitric oxide synthase heme domain bound with N-(3-(((2-(3-(aminomethyl)-[1,1'-biphenyl]-4-yl)ethyl)amino)methyl)phenyl)furan-2-carboximidamide
Keywords keywordsnitric oxide synthase inhibitor binding, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.69
Radius of gyration Rg (electron density) rg_electron29.00
Forward intensity I(0) i0278260000.00
Molecular weight molecular_weight89237.0 kDa
Excluded volume excluded_volume86139 ų
Envelope volume envelope_volume140690 ų
Hydration-shell volume shell_volume39887 ų
Envelope diameter envelope_diameter96.8
Shell Rg shell_rg37.00
Envelope Rg envelope_rg29.24
Shape Rg shape_rg28.98
Total Rg total_rg29.53
Total atoms total_atoms6735
Residues n_residues807
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 dmax93.5
Rg (real space) rg_real29.64
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real2.7830e+08
I(0) uncertainty (real space) i0_real_error4.2360e+06
Rg (reciprocal space) rg_reciprocal29.67
I(0) (reciprocal space) i0_reciprocal278300000.0000
Solution quality estimate total_estimate0.9003
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.5
Skewness Skewness skewness0.299
Kurtosis Kurtosis kurtosis-0.494
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha52790000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.936

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

8. Citations (1)

9. Files and Curves (10)