4GBE

Crystal Structure of E. coli DNA Adenine Methyltransferase in Complex with SAH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (D, E, F)	DNA adenine methylase	polymer	284	32972.5	3	UniProt (P0AEE8) Pfam (PF02086)	Escherichia coli	DNA adenine methyltransferase, Deoxyadenosyl-methyltransferase, M.EcoDam
2	D, E, F (D, E, F)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	3	Chemie (SAH)
3	G, H, I (D, E, F)	water	water		18.0	75	Chemie (HOH)

Sequence modifications

D, E, F: 1 - 278 (UniProt: P0AEE8)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	98917.5
Non-Polymers*	Number of molecules	3
	Total formula weight	1153.2
All*	Total formula weight	100070.7

*Water molecules are not included.