1OM4

STRUCTURE OF RAT NEURONAL NOS HEME DOMAIN WITH L-ARGININE BOUND

• PDB DOI: https://doi.org/10.2210/pdb1OM4/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Rattus norvegicus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2003-02-24 Released: 2003-03-11 
• Deposition Author(s): Li, H., Martasek, P., Shimizu, H., Masters, B.S.S., Poulos, T.L., Raman, C.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.245 
• R-Value Work: 0.220 
• R-Value Observed: 0.220 

Literature

Structure of Rat Neuronal NOS Heme Domain with L-Arginine Bound

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

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 100.06 kDa 
• Atom Count: 7,483 
• Modelled Residue Count: 818 
• Deposited Residue Count: 844 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitric-oxide synthase, brain	A, B	422	Rattus norvegicus	Mutation(s): 0  Gene Names: NOS1 OR BNOS EC: 1.14.13.39
UniProt
Find proteins for P29476 (Rattus norvegicus) Go to UniProtKB:  P29476

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], I [auth B]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
H4B	F [auth A], J [auth B]	5,6,7,8-TETRAHYDROBIOPTERIN C9 H15 N5 O3 FNKQXYHWGSIFBK-RPDRRWSUSA-N
ARG	K [auth B], L [auth B]	ARGININE C6 H15 N4 O2 ODKSFYDXXFIFQN-BYPYZUCNSA-O
GOL	G [auth A], M [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
ACT	D [auth A], H [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.245 
• R-Value Work: 0.220 
• R-Value Observed: 0.220 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.89	α = 90
b = 110.19	β = 90
c = 164.68	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-03-11 
Deposition Author(s): Li, H., Martasek, P., Shimizu, H., Masters, B.S.S., Poulos, T.L., Raman, C.S.

Revision History  

• Version 1.0: 2003-03-11
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2023-11-29
  Changes: Data collection, Database references, Derived calculations