3CBG

Functional and Structural Characterization of a Cationdependent O-Methyltransferase from the Cyanobacterium Synechocystis Sp. Strain PCC 6803

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0008168	molecular_function	methyltransferase activity
A	0008171	molecular_function	O-methyltransferase activity
A	0008757	molecular_function	S-adenosylmethionine-dependent methyltransferase activity
A	0032259	biological_process	methylation
A	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE MG A 401

Chain	Residue
A	MET42
A	ASP143
A	ASP169
A	ASN170
A	HOH1128

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site_id	AC2
Number of Residues	18
Details	BINDING SITE FOR RESIDUE SAH A 301

Chain	Residue
A	TYR73
A	SER74
A	ASP92
A	GLN93
A	PRO120
A	ALA121
A	ASP143
A	ALA144
A	ASP145
A	TYR152
A	HOH1141
A	HOH1142
A	HOH1258
A	HOH1259
A	GLN43
A	ILE44
A	GLY68
A	PHE70

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site_id	AC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE FER A 501

Chain	Residue
A	MET42
A	ASP143
A	LYS146
A	ASN170
A	HIS174

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site_id	AC4
Number of Residues	6
Details	BINDING SITE FOR RESIDUE 4FE A 502

Chain	Residue
A	LYS3
A	MET42
A	ASP143
A	LYS146
A	ASN170
A	HIS174

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