2ASN

Crystal structure of D1A mutant of nitrophorin 2 complexed with imidazole

Functional Information from GO Data

Chain	GOid	namespace	contents
X	0005576	cellular_component	extracellular region
X	0042311	biological_process	vasodilation
X	0046872	molecular_function	metal ion binding
X	0051381	molecular_function	histamine binding
X	0070026	molecular_function	nitric oxide binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	16
Details	BINDING SITE FOR RESIDUE HEM X 201

Chain	Residue
X	PHE27
X	LEU132
X	IMD202
X	HOH316
X	HOH456
X	HOH459
X	HOH507
X	HOH528
X	TYR38
X	SER40
X	LEU55
X	HIS57
X	TYR85
X	LYS96
X	TYR104
X	ILE120

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site_id	AC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE IMD X 202

Chain	Residue
X	HEM201
X	HOH325

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	BINDING: proximal binding residue => ECO:0000269|PubMed:10884386, ECO:0007744|PDB:1EUO

Chain	Residue	Details
X	HIS57

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