1MJL

METHIONINE REPRESSOR MUTANT (Q44K) COMPLEX WITH THE COREPRESSOR SAM (S-ADENOSYL METHIONINE) FROM ESCHERICHIA COLI

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)	METHIONINE REPRESSOR PROTEIN METJ	polymer	104	12028.6	2	UniProt (P0A8U6) Pfam (PF01340)	Escherichia coli	METJ Q44K
2	C, D (A, B)	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
3	E, F (A, B)	water	water		18.0	112	Chemie (HOH)

Sequence modifications

A, B: 1 - 104 (UniProt: P0A8U6)

PDB	External Database	Details
Lys 44	Gln 44	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24057.2
Non-Polymers*	Number of molecules	2
	Total formula weight	796.9
All*	Total formula weight	24854.1

*Water molecules are not included.