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1N2N

Crystal structure of cyanide complex of the oxygenase domain of inducible nitric oxide synthase.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004517molecular_functionnitric-oxide synthase activity
A0006809biological_processnitric oxide biosynthetic process
A0020037molecular_functionheme binding
B0004517molecular_functionnitric-oxide synthase activity
B0006809biological_processnitric oxide biosynthetic process
B0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CYN A 903
ChainResidue
AHEM900
AARG902
AHOH1157

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 950
ChainResidue
ACYS104
ACYS104
ACYS109
ACYS109

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 950
ChainResidue
BCYS109
BCYS109
BCYS104
BCYS104

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEM A 900
ChainResidue
ATRP188
AARG193
ACYS194
AILE195
AGLN199
APHE363
AASN364
AGLY365
ATRP366
AGLU371
AMET428
ATRP457
ATYR483
ATYR485
AH4B901
AARG902
ACYN903
AHOH962
AHOH981
AHOH1074
AHOH1084
AHOH1104

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE H4B A 901
ChainResidue
ASER112
AARG375
ATRP455
AILE456
ATRP457
APHE470
AHIS471
AGLN472
AGLU473
AHEM900
AHOH977
AHOH1069
AHOH1078
AHOH1092
AHOH1104

site_idAC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE ARG A 902
ChainResidue
AGLN257
APRO344
ATRP366
ATYR367
AGLU371
AASP376
AHEM900
ACYN903
AHOH1059
AHOH1183

site_idAC7
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM B 900
ChainResidue
BTRP188
BARG193
BCYS194
BLEU203
BSER236
BMET349
BPHE363
BASN364
BGLY365
BTRP366
BGLU371
BTRP457
BTYR485
BH4B1901
BARG1902
BHOH1966
BHOH1996
BHOH2034
BHOH2059
BHOH2067

site_idAC8
Number of Residues15
DetailsBINDING SITE FOR RESIDUE H4B B 1901
ChainResidue
BSER112
BMET114
BARG375
BTRP455
BILE456
BTRP457
BPHE470
BHIS471
BGLN472
BHEM900
BHOH2034
BHOH2039
BHOH2052
BHOH2057
BHOH2065

site_idAC9
Number of Residues9
DetailsBINDING SITE FOR RESIDUE ARG B 1902
ChainResidue
BHOH1988
BHOH2029
BHOH2165
BGLN257
BTRP366
BTYR367
BGLU371
BASP376
BHEM900

Functional Information from PROSITE/UniProt
site_idPS60001
Number of Residues8
DetailsNOS Nitric oxide synthase (NOS) signature. RCIGRIqW
ChainResidueDetails
AARG193-TRP200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11669619","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8E","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M9T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11669619","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9334294","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8E","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M9T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11669619","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8E","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M9T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M9T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8E","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M9T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11669619","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12437348","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12464241","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1JWK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8E","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1M8I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N2N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10562539","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10769116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9516116","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DF1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DWX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QOM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NOD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3NOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
ATRP366
AARG197
ACYS194
AGLU371

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
BTRP366
BARG197
BCYS194
BGLU371

243083

PDB entries from 2025-10-15

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