5Y3Z

Structure of the periplasmic domain of the MotB L119P mutant from Salmonella (crystal form 1)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Motility protein B	polymer	183	20718.6	2	UniProt (P55892) Pfam (PF00691) In PDB	Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)	Chemotaxis protein MotB
2	A, B	ARGININE	non-polymer		175.2	3	Chemie (ARG)
3	A, B	IMIDAZOLE	non-polymer		69.1	2	Chemie (IMD)
4	A, B	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	3	Chemie (MPD)
5		water	water		18.0	151	Chemie (HOH)

Sequence modifications

A, B: 99 - 276 (UniProt: P55892)

PDB	External Database	Details
Pro 116	Leu 116	engineered mutation
His 277	-	expression tag
His 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41437.3
Non-Polymers*	Number of molecules	8
	Total formula weight	1018.3
All*	Total formula weight	42455.6

*Water molecules are not included.