1YAX

Cystal structure Analysis of S.typhimurium PhoQ sensor domain with Calcium

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	Virulence sensor protein phoQ, sensor domain	polymer	153	17889.2	4	UniProt (P14147) Pfam (PF08918) UniProt (by SIFTS) (P0DM80) In PDB	Salmonella typhimurium
2	A, B, C, D	CALCIUM ION	non-polymer		40.1	7	Chemie (CA)
3		water	water		18.0	107	Chemie (HOH)

Sequence modifications

A, B, C, D: 45 - 190 (UniProt: P14147)

PDB	External Database	Details
Met 44	-	initiating methionine
His 191	-	expression tag
His 192	-	expression tag
His 193	-	expression tag
His 194	-	expression tag
His 195	-	expression tag
His 196	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	71556.8
Non-Polymers*	Number of molecules	7
	Total formula weight	280.5
All*	Total formula weight	71837.4

*Water molecules are not included.