2ORE

Binary Structure of Escherichia coli DNA Adenine Methyltransferase and S-adenosylhomocysteine

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	298	34315.0	3	UniProt (P0AEE8) Pfam (PF02086)	Escherichia coli	Deoxyadenosyl-methyltransferase, DNA adenine methyltransferase, M.EcoDam
2	D, E, G (D, E, F)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	3	Chemie (SAH)
3	F (F)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	H, I, J (D, E, F)	water	water		18.0	23	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Met -19	-	cloning artifact
Gly -18	-	cloning artifact
Ser -17	-	cloning artifact
Ser -16	-	cloning artifact
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	cloning artifact
Gly -7	-	cloning artifact
Leu -6	-	cloning artifact
Val -5	-	cloning artifact
Pro -4	-	cloning artifact
Arg -3	-	cloning artifact
Gly -2	-	cloning artifact
Ser -1	-	cloning artifact
His 0	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	102944.9
Non-Polymers*	Number of molecules	4
	Total formula weight	1249.3
All*	Total formula weight	104194.2

*Water molecules are not included.