4UEY

Structure of the periplasmic domain PhoQ double mutant (W104C-A128C)

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	PHOQ PERIPLASMIC DOMAIN DOUBLE MUTANT	polymer	153	17838.2	3	UniProt (P0DM80) Pfam (PF08918) In PDB	SALMONELLA ENTERICA
2		water	water		18.0	138	Chemie (HOH)

Sequence modifications

A, B, C: 45 - 190 (UniProt: P0DM80)

PDB	External Database	Details
Met 44	-	expression tag
His 191	-	expression tag
His 192	-	expression tag
His 193	-	expression tag
His 194	-	expression tag
His 195	-	expression tag
His 196	-	expression tag
Cys 104	Trp 104	engineered mutation
Cys 128	Ala 128	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	53514.6
All*	Total formula weight	53514.6

*Water molecules are not included.