1CMC

THREE DIMENSIONAL CRYSTAL STRUCTURES OF E. COLI MET REPRESSOR WITH AND WITHOUT COREPRESSOR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	MET REPRESSOR	polymer	104	12027.6	2	UniProt (P0A8U6) Pfam (PF01340)	Escherichia coli
2	C, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, F (A, B)	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
4	G, H (A, B)	water	water		18.0	206	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24055.1
Non-Polymers*	Number of molecules	4
	Total formula weight	845.5
All*	Total formula weight	24900.6

*Water molecules are not included.