4IMW

Structure of rat neuronal nitric oxide synthase in complex with 3,5-bis(2-(6-amino-4-methylpyridin-2-yl)ethyl)benzonitrile

Structural Biology Knowledgebase: 4IMW SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.213

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4IMW

Classification: Oxidoreductase / Oxidoreductase inhibitor

Total Structure Weight: 100267.93

Macromolecule Entities
Molecule Chains Length Organism Details
Nitric oxide synthase, brain A, B 422 Rattus norvegicus EC#: 1.14.13.39 IUBMB
Fragment: unp residues 297-718
Gene Name(s): Nos1 Bnos

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

A, B PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
1EV
Query on 1EV

A, B 3,5-bis[2-(6-amino-4-methylpyridin-2-yl)ethyl]benzonitrile
C23 H25 N5
IXUSJKAERUMZME-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
H4B
Query on H4B

A 5,6,7,8-TETRAHYDROBIOPTERIN
C9 H15 N5 O3
FNKQXYHWGSIFBK-RPDRRWSUSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A, B ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
1EV N/A in BindingDB
Ki: 56 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.213
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 51.69 α = 90.00
b = 111.39 β = 90.00
c = 164.18 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2013-01-03
  • Released Date: 2013-04-24
  • Deposition author(s): Li, H., Poulos, T.L.

Revision History

No revisions since initial release