3HR4

Human iNOS Reductase and Calmodulin Complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Nitric oxide synthase, inducible	polymer	219	25045.0	4	UniProt (P35228) Pfam (PF00258) In PDB	Homo sapiens (human)	Inducible NO synthase, Inducible NOS, iNOS, NOS type II, Hepatocyte NOS, HEP-NOS
2	B, D, F, H	Calmodulin	polymer	149	16852.5	4	UniProt (P62158) Pfam (PF13499) UniProt (by SIFTS) (P0DP23) In PDB	Homo sapiens (human)	CaM
3	A, C, E, G	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	4	Chemie (FMN)
4	H, B, D, F	CALCIUM ION	non-polymer		40.1	16	Chemie (CA)
5		water	water		18.0	71	Chemie (HOH)

Sequence modifications

A, C, E, G: 503 - 715 (UniProt: P35228)

PDB	External Database	Details
His 497	-	expression tag
His 498	-	expression tag
His 499	-	expression tag
His 500	-	expression tag
His 501	-	expression tag
His 502	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	167590.2
Non-Polymers*	Number of molecules	20
	Total formula weight	2466.6
All*	Total formula weight	170056.8

*Water molecules are not included.