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2NSI

HUMAN INDUCIBLE NITRIC OXIDE SYNTHASE, ZN-FREE, SEITU COMPLEX

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
C0004517molecular_functionnitric-oxide synthase activity
C0006809biological_processnitric oxide biosynthetic process
D0004517molecular_functionnitric-oxide synthase activity
D0006809biological_processnitric oxide biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 910
ChainResidue
AARG278
AGLY300
AARG301
APHE302

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 920
ChainResidue
ATYR336
AGLU337
ATRP338
DARG340

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 930
ChainResidue
AASN239
CASN236
CASN239
AASN236

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 911
ChainResidue
BARG278
BGLY300
BARG301

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 921
ChainResidue
BLYS335
BGLU337

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 912
ChainResidue
CGLY300
CARG301

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 C 922
ChainResidue
BARG340
CGLU337
CTRP338

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 D 913
ChainResidue
DARG278
DARG301

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 923
ChainResidue
DLYS335
DTYR336
DGLU337
DTRP338

site_idBC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEM A 550
ChainResidue
ATRP194
ACYS200
AILE201
APHE369
AASN370
AGLY371
ATRP372
AGLU377
ATRP463
ATYR491
AH4B600
AITU800

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE H4B A 600
ChainResidue
ASER118
AMET120
AARG381
AILE462
ATRP463
AHEM550
BTRP461
BPHE476
BHIS477

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ITU A 800
ChainResidue
APRO350
AVAL352
AGLY371
ATRP372
AGLU377
AHEM550

site_idBC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEM B 550
ChainResidue
BTRP194
BCYS200
BILE201
BPHE369
BASN370
BGLY371
BTRP372
BGLU377
BTRP463
BTYR491
BH4B601
BITU801

site_idBC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE H4B B 601
ChainResidue
ATRP461
APHE476
AHIS477
AGLN478
BSER118
BMET120
BARG381
BILE462
BTRP463
BHEM550

site_idBC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ITU B 801
ChainResidue
BPRO350
BVAL352
BGLY371
BTRP372
BGLU377
BHEM550

site_idBC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEM C 550
ChainResidue
CTRP194
CCYS200
CPHE369
CASN370
CGLY371
CTRP372
CGLU377
CTRP463
CTYR491
CH4B602
CITU802

site_idBC8
Number of Residues10
DetailsBINDING SITE FOR RESIDUE H4B C 602
ChainResidue
CHEM550
DTRP461
DPHE476
DHIS477
DGLN478
CSER118
CMET120
CARG381
CILE462
CTRP463

site_idBC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ITU C 802
ChainResidue
CPRO350
CVAL352
CGLY371
CTRP372
CGLU377
CHEM550

site_idCC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEM D 550
ChainResidue
DTRP194
DCYS200
DPHE369
DASN370
DGLY371
DTRP372
DGLU377
DTRP463
DTYR491
DH4B603
DITU803

site_idCC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE H4B D 603
ChainResidue
CTRP461
CPHE476
CHIS477
CGLN478
DSER118
DMET120
DARG381
DILE462
DTRP463
DHEM550

site_idCC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ITU D 803
ChainResidue
DPRO350
DVAL352
DGLY371
DTRP372
DGLU377
DHEM550

Functional Information from PROSITE/UniProt
site_idPS60001
Number of Residues8
DetailsNOS Nitric oxide synthase (NOS) signature. RCIGRIqW
ChainResidueDetails
AARG199-TRP206

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10074942","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10409685","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NSI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NOS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10074942","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10409685","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NSI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NSI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NOS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10074942","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10409685","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NSI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NSI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NOS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P29474","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by PKA","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
ATRP372
ACYS200
AGLU377
AARG203

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
BTRP372
BCYS200
BGLU377
BARG203

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
CTRP372
CCYS200
CGLU377
CARG203

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 3nos
ChainResidueDetails
DTRP372
DCYS200
DGLU377
DARG203

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PDB entries from 2025-11-05

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