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3C78

0.98 A crystal structure of nitrophorin 4 from Rhodnius prolixus containing FE(III) 2,4 dimethyl deuteroporphyrin ix complexed with ammonia at ph 7.5

Replaces:  2AT7
Functional Information from GO Data
ChainGOidnamespacecontents
X0005576cellular_componentextracellular region
X0016491molecular_functionoxidoreductase activity
X0042311biological_processvasodilation
X0046872molecular_functionmetal ion binding
X0051381molecular_functionhistamine binding
X0070026molecular_functionnitric oxide binding
X0097746biological_processblood vessel diameter maintenance
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NH3 X 700
ChainResidue
XLEU133
XHOH777

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE FDD X 185
ChainResidue
XLYS88
XTYR105
XLEU123
XLYS125
XLYS128
XLEU133
XHOH867
XHOH868
XPRO37
XTYR40
XLEU57
XHIS59
XPHE68
XASP70
XPHE86

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"description":"proximal binding residue","evidences":[{"source":"PubMed","id":"10876239","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11560480","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"14673714","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16171383","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20524697","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22334402","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22976968","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23474537","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9782054","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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