4RTN

Complex of Escherichia coli DNA Adenine Methyltransferase (DAM) with AdoHcy and with DNA Containing Proximal Pap Regulon Sequence

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA adenine methylase	polymer	298	34331.0	1	UniProt (H0Q7C9) Pfam (PF02086) UniProt (by SIFTS) (P0AEE8) In PDB	Escherichia coli
2	F	DNA (5'-D(*TP*TP*TP*AP*AP*AP*GP*AP*TP*CP*G)-3')	polymer	11	3372.2	1		synthetic construct
3	G	DNA (5'-D(*AP*CP*GP*AP*TP*CP*TP*TP*TP*AP*A)-3')	polymer	11	3332.2	1		synthetic construct
4	A	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
5		water	water		18.0	34	Chemie (HOH)

Sequence modifications

A: 1 - 278 (UniProt: H0Q7C9)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
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	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ser 175	Ala 175	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	41035.4
Non-Polymers*	Number of molecules	1
	Total formula weight	384.4
All*	Total formula weight	41419.8

*Water molecules are not included.