2BH4

X-ray structure of the M100K variant of ferric cyt c-550 from Paracoccus versutus determined at 100 K.

Functional Information from GO Data

Chain	GOid	namespace	contents
X	0009055	molecular_function	electron transfer activity
X	0020037	molecular_function	heme binding
X	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	22
Details	BINDING SITE FOR RESIDUE HEC X1123

Chain	Residue
X	LYS14
X	GLY56
X	ILE59
X	TRP71
X	LEU76
X	TYR79
X	VAL80
X	PRO85
X	THR98
X	LYS99
X	LYS100
X	CYS15
X	HOH2089
X	HOH2139
X	HOH2140
X	CYS18
X	HIS19
X	THR35
X	LEU39
X	ARG45
X	ALA48
X	TYR55

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	BINDING: covalent => ECO:0000255|PROSITE-ProRule:PRU00433

Chain	Residue	Details
X	CYS15
X	CYS18

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site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: axial binding residue => ECO:0000255|PROSITE-ProRule:PRU00433

Chain	Residue	Details
X	HIS19
X	LYS100

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site_id	SWS_FT_FI3
Number of Residues	1
Details	MOD_RES: Pyrrolidone carboxylic acid => ECO:0000250

Chain	Residue	Details
X	GLN1

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