1K2R

Structure of rat brain nNOS heme domain complexed with NG-nitro-L-arginine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.228 
  • R-Value Observed: 0.228 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure of rat brain nNOS heme domain

Li, H.Martasek, P.Masters, B.S.S.Poulos, T.L.Raman, C.S.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
nitric-oxide synthase
A, B
419Rattus norvegicusMutation(s): 0 
Gene Names: brainNos1Bnos
EC: 1.14.13.39
Find proteins for P29476 (Rattus norvegicus)
Go to UniProtKB:  P29476
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
HEM
Query on HEM

Download CCD File 
A, B
PROTOPORPHYRIN IX CONTAINING FE
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
 Ligand Interaction
H4B
Query on H4B

Download CCD File 
A, B
5,6,7,8-TETRAHYDROBIOPTERIN
C9 H15 N5 O3
FNKQXYHWGSIFBK-RPDRRWSUSA-N
 Ligand Interaction
NRG
Query on NRG

Download CCD File 
A, B
N-OMEGA-NITRO-L-ARGININE
C6 H13 N5 O4
MRAUNPAHJZDYCK-BYPYZUCNSA-N
 Ligand Interaction
ZN
Query on ZN

Download CCD File 
B
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
ACT
Query on ACT

Download CCD File 
A, B
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
NRGIC50:  500   nM  BindingDB
NRGIC50:  6000   nM  BindingDB
NRGIC50:  4400   nM  BindingDB
NRGKi:  500   nM  BindingDB
NRGIC50:  5000   nM  BindingDB
NRGIC50:  600   nM  BindingDB
NRGIC50:  500   nM  BindingDB
NRGKi:  15   nM  BindingDB
NRGKi:  4550   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.228 
  • R-Value Observed: 0.228 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.65α = 90
b = 110.49β = 90
c = 164.74γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-03-04
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance