1MJM

METHIONINE APOREPRESSOR MUTANT (Q44K) COMPLEXED TO HALF OF THE CONSENSUS OPERATOR SEQUENCE

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)	HALF CONSENSUS DNA OPERATOR DUPLEX	polymer	10	3045.0	2
2	C, D (A, B)	METHIONINE REPRESSOR	polymer	104	12028.6	2	UniProt (P0A8U6) Pfam (PF01340)	Escherichia coli
3	E, F, G, H (C, D, A, B)	water	water		18.0	177	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	4
	Total formula weight	30147.2
All*	Total formula weight	30147.2

*Water molecules are not included.