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4CUL

Structure of bovine endothelial nitric oxide synthase heme domain in complex with 6-acetyl-2-amino-7,7-dimethyl-7,8-dihydropteridin-4(3H)-one

Functional Information from GO Data
ChainGOidnamespacecontents
A0004517molecular_functionnitric-oxide synthase activity
A0006809biological_processnitric oxide biosynthetic process
B0004517molecular_functionnitric-oxide synthase activity
B0006809biological_processnitric oxide biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM A 500
ChainResidue
ATRP180
APHE475
ATYR477
AARG700
AWSD800
AHOH2095
AHOH2147
AHOH2150
AHOH2151
AHOH2152
AARG185
ACYS186
ASER228
APHE355
ASER356
ATRP358
AGLU363
ATRP449

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE ARG A 700
ChainResidue
AGLN249
AARG252
ATYR333
ATRP358
ATYR359
AGLU363
AASN368
AHEM500
AHOH2091
AHOH2100

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE WSD A 800
ChainResidue
AARG367
AALA448
ATRP449
AHEM500
AHOH2132
AHOH2152
BTRP76
BTRP447
BPHE462

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT A 860
ChainResidue
ATRP358
AVAL420
ASER428

site_idAC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEM B 500
ChainResidue
BTRP180
BARG185
BCYS186
BPHE355
BSER356
BTRP358
BGLU363
BTRP449
BTYR477
BARG700
BWSD800
BHOH2121
BHOH2123
BHOH2124
BHOH2125
BHOH2126

site_idAC6
Number of Residues9
DetailsBINDING SITE FOR RESIDUE ARG B 700
ChainResidue
BGLN249
BTYR333
BVAL338
BTRP358
BTYR359
BGLU363
BASN368
BHEM500
BHOH2090

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE WSD B 800
ChainResidue
ATRP447
APHE462
BARG367
BALA448
BTRP449
BHEM500
BHOH2114
BHOH2126
BHOH2127

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT B 860
ChainResidue
BTRP358
BVAL420
BSER428
BHOH2030
BHOH2104

Functional Information from PROSITE/UniProt
site_idPS60001
Number of Residues8
DetailsNOS Nitric oxide synthase (NOS) signature. RCVGRIqW
ChainResidueDetails
AARG185-TRP192

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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