3LIA

Crystal Structure of the extracellular domain of the putative histidine kinase mmHK1S-Z2

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)	Hypothetical sensory transduction histidine kinase	polymer	291	32695.5	2	UniProt (Q8PSW8) Pfam (PF02743)	Methanosarcina mazei (Methanosarcina frisia)
2	C, G (A, B)	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	2	Chemie (BTB)
3	D, E, F, H (A, B)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	I, J (A, B)	water	water		18.0	456	Chemie (HOH)

Sequence modifications

A, B: 32 - 313 (UniProt: Q8PSW8)

PDB	External Database	Details
Met 30	-	expression tag
Glu 31	-	expression tag
Glu 314	-	expression tag
His 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag
His 319	-	expression tag
His 320	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	65391.1
Non-Polymers*	Number of molecules	6
	Total formula weight	802.7
All*	Total formula weight	66193.8

*Water molecules are not included.