1CMA

MET REPRESSOR/DNA COMPLEX + S-ADENOSYL-METHIONINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C	DNA (5'-D(*TP*TP*AP*GP*AP*CP*GP*TP*CP*T)-3')	polymer	10	3035.0	1
2	D	DNA (5'-D(*AP*GP*AP*CP*GP*TP*CP*TP*A)-3')	polymer	9	2739.8	1
3	A, B	PROTEIN (MET REPRESSOR)	polymer	104	12027.6	2	UniProt (P0A8U6) Pfam (PF01340) In PDB	Escherichia coli
4	A, B	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
5		water	water		18.0	36	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	29829.9
Non-Polymers*	Number of molecules	2
	Total formula weight	796.9
All*	Total formula weight	30626.8

*Water molecules are not included.