6PY3

Crystal structure of ligand-binding domain of Pseudomonas fluorescens chemoreceptor CtaA in complex with L-isoleucine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Putative methyl-accepting chemotaxis protein	polymer	250	27055.5	2	UniProt (Q3K7T6) Pfam (PF02743) In PDB	Pseudomonas fluorescens (strain Pf0-1)
2	A, B	ISOLEUCINE	non-polymer		131.2	2	Chemie (ILE)
3		water	water		18.0	289	Chemie (HOH)

Sequence modifications

A, B: 34 - 277 (UniProt: Q3K7T6)

PDB	External Database	Details
Gly 28	-	expression tag
Ile 29	-	expression tag
Asp 30	-	expression tag
Pro 31	-	expression tag
Phe 32	-	expression tag
Thr 33	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	54111.0
Non-Polymers*	Number of molecules	2
	Total formula weight	262.3
All*	Total formula weight	54373.3

*Water molecules are not included.