4NOS

HUMAN INDUCIBLE NITRIC OXIDE SYNTHASE WITH INHIBITOR


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 4NOS

Classification: OXIDOREDUCTASE

Total Structure Weight: 201821.91

Macromolecule Entities
Molecule Chains Length Organism Details
INDUCIBLE NITRIC OXIDE SYNTHASE A, B, C, D 427 Homo sapiens EC#: 1.14.13.39 IUBMB
Fragment: OXYGENASE DOMAIN
Mutation: L423I
Gene Name(s): NOS2 Gene View NOS2A
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A, B, C, D PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
H4B
Query on H4B

B, C, D 5,6,7,8-TETRAHYDROBIOPTERIN
C9 H15 N5 O3
FNKQXYHWGSIFBK-RPDRRWSUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
H2B
Query on H2B

A 2-AMINO-6-(1,2-DIHYDROXY-PROPYL)-7,8-DIHYDRO- 6H-PTERIDIN-4-ONE
QUINONOID 7,8-TETRAHYDROBIOPTERIN (Synonym)
C9 H13 N5 O3
ZHQJVZLJDXWFFX-RPDRRWSUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ITU
Query on ITU

A, B, C, D ETHYLISOTHIOUREA
C3 H8 N2 S
VFIZBHJTOHUOEK-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, C ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
ITU IC50: 160 nM (99) BindingDB
Ki: 5.2 nM (87) BindingDB

Ki: 19 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.199
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 89.76 α = 90.00
b = 156.67 β = 90.00
c = 190.04 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 1999-02-03
  • Released Date: 2000-02-04
  • Deposition author(s): Fischmann, T.O., Weber, P.C.

Revision History

  • Version 1_0: 2000-02-04

    Type: Initial release

  • Version 1_1: 2007-10-16

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance