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 

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: Nos1 (Bnos)
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
ZN
Query on ZN

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

Download SDF File 
Download CCD File 
A, B
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
NRG
Query on NRG

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

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

Download SDF File 
Download CCD File 
A, B
5,6,7,8-TETRAHYDROBIOPTERIN
C9 H15 N5 O3
FNKQXYHWGSIFBK-RPDRRWSUSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
NRGIC50: 500 - 6000 nM (98) BINDINGDB
NRGKi: 15 - 4550 nM (96) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.228 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 51.650α = 90.00
b = 110.490β = 90.00
c = 164.740γ = 90.00
Software Package:
Software NamePurpose
CNSrefinement
CNSphasing
SCALEPACKdata scaling
DENZOdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

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