1m8d

inducible nitric oxide synthase with Chlorzoxazone bound

Method: X-RAY DIFFRACTION Dmax: 122.7 Å Quality: GOOD

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

Inducible Nitric Oxide Synthase

Mus musculus

UniProt P29477

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 65–498 Fragment:Oxygenase domain SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 CLW CHLORZOXAZONE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;277 K;Lithium Sulfate, B-octyl-glucodise, MES buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.35 Å R-free 0.268
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 65–498 Fragment:Oxygenase domain SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 H4B 5,6,7,8-TETRAHYDROBIOPTERIN × 2 CLW CHLORZOXAZONE × 2 BOG octyl beta-D-glucopyranoside × 2 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;277 K;Lithium Sulfate, B-octyl-glucodise, MES buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.35 Å R-free 0.268

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.

50 other PDB entries and 90 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS2_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–434; UniProt 65–498 Author chain B; PDBConstruct 1–434; UniProt 65–498

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 1m8d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1m8d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1m8d
Deposition date deposition_date2002-07-24
Structure title titleinducible nitric oxide synthase with Chlorzoxazone bound
Keywords keywordsinhibitor-induced conformational change, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.48
Radius of gyration Rg (electron density) rg_electron37.26
Forward intensity I(0) i0145847000.00
Molecular weight molecular_weight98190.0 kDa
Excluded volume excluded_volume122840 ų
Envelope volume envelope_volume162350 ų
Hydration-shell volume shell_volume37064 ų
Envelope diameter envelope_diameter127.1
Shell Rg shell_rg42.15
Envelope Rg envelope_rg36.94
Shape Rg shape_rg37.23
Total Rg total_rg37.70
Total atoms total_atoms6921
Residues n_residues829
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 dmax122.7
Rg (real space) rg_real37.70
Rg uncertainty (real space) rg_real_error1.23
I(0) (real space) i0_real1.4580e+08
I(0) uncertainty (real space) i0_real_error2.7110e+06
Rg (reciprocal space) rg_reciprocal37.57
I(0) (reciprocal space) i0_reciprocal145800000.0000
Solution quality estimate total_estimate0.8480
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.1
Skewness Skewness skewness0.339
Kurtosis Kurtosis kurtosis-0.746
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22880000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.810; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.849; Smooth: 0.742

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1m8da_
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_idd1m8db_
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_id1m8dA01
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_id1m8dA02
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_id1m8dA03
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_id1m8dB01
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_id1m8dB02
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_id1m8dB03
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 (2)

9. Files and Curves (10)