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1FOP

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-ARG AND NO(H4B-BOUND)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
NITRIC-OXIDE SYNTHASEpolymer44449710.12UniProt (P29473)
Pfam (PF02898)
Bos taurus (cattle)ENDOTHELIAL EC-NOS, NOS TYPE III, NOSIII, ENDOTHELIAL NOS, ENOS, CONSTITUTIVE NOS, CNOS
2C, J
(A, B)
CACODYLATE IONnon-polymer137.02Chemie (CAC)
3D, K
(A, B)
ACETATE IONnon-polymer59.02Chemie (ACT)
4E, M
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
5F, N
(A, B)
NITRIC OXIDEnon-polymer30.02Chemie (NO)
6G, O
(A, B)
5,6,7,8-TETRAHYDROBIOPTERINnon-polymer241.22Chemie (H4B)
7H, P
(A, B)
ARGININEnon-polymer175.22Chemie (ARG)
8I, Q
(A, B)
GLYCEROLnon-polymer92.12Chemie (GOL)
9L
(B)
ZINC IONnon-polymer65.41Chemie (ZN)
10R, S
(A, B)
waterwater18.0279Chemie (HOH)
Sequence modifications
A, B: 39 - 482 (UniProt: P29473)
PDBExternal DatabaseDetails
Arg 100Cys 99conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight99420.2
Non-Polymers*Number of molecules15
Total formula weight2767.6
All*Total formula weight102187.8
*Water molecules are not included.

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PDB entries from 2025-07-16

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