3dqs

Structure of endothelial NOS heme domain in complex with a inhibitor (+-)-N1-{cis-4'-[(6"-amino-4"-methylpyridin-2"-yl)methyl]pyrrolidin-3'-yl}-N2-(4'-chlorobenzyl)ethane-1,2-diamine

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

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

Nitric oxide synthase, endothelial

Bos taurus

UniProt P29473

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 67–482 Chain B; UniProt 67–482 Fragment:UNP residues 67-482 CAC CACODYLATE ION × 2 ACT ACETATE ION × 2 ZN ZINC ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 JI3 N-{(3S,4S)-4-[(6-AMINO-4-METHYLPYRIDIN-2-YL)METHYL]PYRROLIDIN-3-YL}-N'-(4-CHLOROBENZYL)ETHANE-1,2-DIAMINE × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;278 K;PEG3350, Cacodylate, magnesium acetate TCEP, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 2.03 Å R-free 0.227

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.

125 other PDB entries and 125 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS3_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–416; UniProt 67–482 Author chain B; PDBConstruct 1–416; UniProt 67–482

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 3dqs

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3dqs
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3dqs
Deposition date deposition_date2008-07-09
Structure title titleStructure of endothelial NOS heme domain in complex with a inhibitor (+-)-N1-{cis-4'-[(6"-amino-4"-methylpyridin-2"-yl)methyl]pyrrolidin-3'-yl}-N2-(4'-chlorobenzyl)ethane-1,2-diamine
Keywords keywords;nitric oxide synthase heme enzyme inhibitor, Blood coagulation, Calmodulin-binding, Cytoskeleton, FAD, FMN, Golgi apparatus, Heme, Iron, Lipoprotein, Membrane, Metal-binding, Myristate, NADP, Oxidoreductase, Palmitate, Phosphoprotein ;; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.93
Radius of gyration Rg (electron density) rg_electron29.03
Forward intensity I(0) i0141252000.00
Molecular weight molecular_weight94006.0 kDa
Excluded volume excluded_volume117270 ų
Envelope volume envelope_volume140960 ų
Hydration-shell volume shell_volume39978 ų
Envelope diameter envelope_diameter95.2
Shell Rg shell_rg37.03
Envelope Rg envelope_rg29.20
Shape Rg shape_rg29.05
Total Rg total_rg29.67
Total atoms total_atoms6617
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_real29.87
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real1.4130e+08
I(0) uncertainty (real space) i0_real_error2.1090e+06
Rg (reciprocal space) rg_reciprocal29.90
I(0) (reciprocal space) i0_reciprocal141300000.0000
Solution quality estimate total_estimate0.6817
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary35.3
Skewness Skewness skewness0.290
Kurtosis Kurtosis kurtosis-0.498
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0005
Highest regularization parameter α highest_alpha40530000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.926; Stabil: 1.000; Sysdev: 0.050; Positv: 1.000; Valcen: 1.000; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3dqsa_
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_idd3dqsb_
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

CATH v4.4 (6 domains)

Domain ID domain_id3dqsA01
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_id3dqsA02
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_id3dqsA03
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
Domain ID domain_id3dqsB01
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_id3dqsB02
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_id3dqsB03
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)