4UA1

Crystal structure of dual function transcriptional regulator MerR form Bacillus megaterium MB1 in complex with mercury (II) ion

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)	Regulatory protein	polymer	132	15998.7	2	UniProt (Q799U3) Pfam (PF13411)	Bacillus megaterium
2	C, D (A)	MERCURY (II) ION	non-polymer		200.6	2	Chemie (HG)
3	E, F (A, B)	water	water		18.0	38	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31997.5
Non-Polymers*	Number of molecules	2
	Total formula weight	401.2
All*	Total formula weight	32398.7

*Water molecules are not included.