2IBS

Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing 2-aminopurine at the target position

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (B, E)	5'-D(*GP*TP*TP*CP*GP*(2PR)P*TP*GP*TP*C)-3'	polymer	10	3051.0	2
2	B, D (C, F)	5'-D(*GP*AP*CP*AP*TP*CP*GP*(6MA)P*AP*C)-3'	polymer	10	3052.0	2
3	E, F (A, D)	Modification methylase TaqI	polymer	421	47931.2	2	UniProt (P14385) Pfam (PF07669) Pfam (PF12950)	Thermus aquaticus	Adenine-specific methyltransferase TaqI, M.TaqI
4	G, H (A, D)	5'-DEOXY-5'-[2-(AMINO)ETHYLTHIO]ADENOSINE	non-polymer		326.4	2	Chemie (NEA)
5	I, J, K, L, M... (B, C, E, F, A...)	water	water		18.0	759	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	108068.5
Non-Polymers*	Number of molecules	2
	Total formula weight	652.8
All*	Total formula weight	108721.2

*Water molecules are not included.