1OM4

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

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Nitric-oxide synthase, brain	polymer	422	48812.5	2	UniProt (P29476) Pfam (PF02898) In PDB	Rattus norvegicus (Norway rat)	NOS, type I, Neuronal NOS, N-NOS, NNOS, Constitutive NOS, NC-NOS, BNOS
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	A, B	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
5	A, B	5,6,7,8-TETRAHYDROBIOPTERIN	non-polymer		241.2	2	Chemie (H4B)
6	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
7	B	ARGININE	non-polymer		175.2	2	Chemie (ARG)
8		water	water		18.0	660	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	97625.1
Non-Polymers*	Number of molecules	11
	Total formula weight	2433.6
All*	Total formula weight	100058.6

*Water molecules are not included.