7QW5

Adenine-specific DNA methyltransferase M.BseCI complexed with AdoHcy and cognate unmethylated DNA duplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Modification methylase BseCI	polymer	585	67761.1	1	UniProt (P43423) Pfam (PF02384) Pfam (PF12950) In PDB	Geobacillus stearothermophilus	M.BseCI,Adenine-specific methyltransferase BseCI
2	Z	Unmethylated DNA duplex	polymer	10	3045.0	1		Geobacillus stearothermophilus
3	Y	Unmethylated DNA duplex	polymer	10	3045.0	1		Geobacillus stearothermophilus
4	A	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
5		water	water		18.0	243	Chemie (HOH)

Sequence modifications

A: 1 - 579 (UniProt: P43423)

PDB	External Database	Details
Glu 195	Gly 195	conflict
His 580	-	expression tag
His 581	-	expression tag
His 582	-	expression tag
His 583	-	expression tag
His 584	-	expression tag
His 585	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	73851.1
Non-Polymers*	Number of molecules	1
	Total formula weight	384.4
All*	Total formula weight	74235.5

*Water molecules are not included.