2EU7

Crystal structure of D1A mutant of nitrophorin 2 complexed with ammonia

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	20
Details	BINDING SITE FOR RESIDUE HEM X 201

Chain	Residue
X	VAL24
X	ASN68
X	TYR85
X	THR87
X	TYR104
X	ILE120
X	LEU122
X	NH3202
X	HOH223
X	HOH252
X	HOH338
X	PHE27
X	HOH406
X	VAL34
X	TYR38
X	SER40
X	GLU53
X	LEU55
X	HIS57
X	PHE66

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site_id	AC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE NH3 X 202

Chain	Residue
X	LEU132
X	HEM201

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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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