5T7M

LIGAND BINDING DOMAIN OF PSEUDOMONAS AERUGINOSA PAO1 AMINO ACID CHEMORECEPTOR PCTA IN COMPLEX WITH L-TRP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chemotaxis protein	polymer	270	29473.3	2	UniProt (A0A0H0Z019) Pfam (PF02743) UniProt (by SIFTS) (G3XD24) In PDB	Pseudomonas aeruginosa	Methyl-accepting chemotaxis protein PctA,Uncharacterized protein
2	A, B	TRYPTOPHAN	non-polymer		204.2	2	Chemie (TRP)
3	A, B	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
4	B	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5		water	water		18.0	219	Chemie (HOH)

Sequence modifications

A, B: 30 - 278 (UniProt: A0A0H0Z019)

PDB	External Database	Details
Met 9	-	initiating methionine
Gly 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
His 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
Ser 19	-	expression tag
Ser 20	-	expression tag
Gly 21	-	expression tag
Leu 22	-	expression tag
Val 23	-	expression tag
Pro 24	-	expression tag
Arg 25	-	expression tag
Gly 26	-	expression tag
Ser 27	-	expression tag
His 28	-	expression tag
Met 29	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	58946.6
Non-Polymers*	Number of molecules	6
	Total formula weight	608.6
All*	Total formula weight	59555.2

*Water molecules are not included.