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1FOP

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

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 Residues5
DetailsBINDING SITE FOR RESIDUE CAC A 1950
ChainResidue
ATRP324
ACYS384
ALYS438
AARG440
AGLY441

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CAC B 2950
ChainResidue
BTYR83
BTRP324
BCYS384

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT A 1860
ChainResidue
ATRP358
ASER428
AGLY188

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT B 2860
ChainResidue
BGLY188
BILE190
BGLN191
BTRP358
BVAL420
BSER428

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 900
ChainResidue
ACYS96
ACYS101
BCYS96
BCYS101

site_idAC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM A 500
ChainResidue
ATRP180
ACYS186
AVAL187
ASER228
AMET341
APHE355
ASER356
ATRP358
AGLU363
ATRP449
APHE475
ATYR477
AH4B1600
AARG1700
ANO1910
AHOH1961
AHOH2037
AHOH2070

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NO A 1910
ChainResidue
APHE355
AHEM500
AARG1700

site_idAC8
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM B 500
ChainResidue
BTRP180
BARG185
BCYS186
BVAL187
BSER228
BMET341
BPHE355
BSER356
BTRP358
BGLU363
BTRP449
BTYR477
BH4B2600
BARG2700
BNO2910
BHOH2952
BHOH2961
BHOH2970
BHOH3041

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NO B 2910
ChainResidue
BHEM500
BARG2700

site_idBC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE H4B A 1600
ChainResidue
ASER104
AARG367
AALA448
ATRP449
AHEM500
AGOL1880
AHOH1963
AHOH1975
AHOH2035
BTRP447
BPHE462
BHIS463
BGLN464
BGLU465
BHOH3058

site_idBC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE H4B B 2600
ChainResidue
ATRP447
APHE462
AGLU465
BSER104
BARG367
BALA448
BTRP449
BHEM500
BGOL2880
BHOH2966
BHOH2968
BHOH3041
BHOH3078

site_idBC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE ARG A 1700
ChainResidue
ANO1910
AHOH1973
AGLN249
ATYR333
APRO336
ATRP358
ATYR359
AGLU363
AASN368
AHEM500

site_idBC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE ARG B 2700
ChainResidue
BGLN249
BARG252
BPRO336
BTRP358
BTYR359
BGLU363
BASN368
BHEM500
BNO2910

site_idBC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1880
ChainResidue
AARG367
AHIS373
AH4B1600
AHOH2091
BTRP76
BHOH3058

site_idBC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 2880
ChainResidue
BVAL106
BARG367
BHIS373
BH4B2600
BHOH3078

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 Residues4
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P35228","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by CDK5","evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
ACYS186
AARG189
AGLU363
ATRP358

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
BCYS186
BARG189
BGLU363
BTRP358

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PDB entries from 2025-07-16

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