6IOU

The ligand binding domain of Mlp24 with serine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Methyl-accepting chemotaxis protein	polymer	256	28607.1	2	UniProt (A0A0H6VSA0) Pfam (PF02743) UniProt (by SIFTS) (Q9KQ43)	Vibrio cholerae
2	C, F (A, B)	SERINE	non-polymer		105.1	2	Chemie (SER)
3	D, G (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	E, H (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
5	I, J (A, B)	water	water		18.0	109	Chemie (HOH)

Sequence modifications

A, B: 30 - 274 (UniProt: A0A0H6VSA0)

PDB	External Database	Details
Gly 25	-	expression tag
Pro 26	-	expression tag
Leu 27	-	expression tag
Gly 28	-	expression tag
Ser 29	-	expression tag
His 275	-	expression tag
His 276	-	expression tag
His 277	-	expression tag
His 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57214.2
Non-Polymers*	Number of molecules	6
	Total formula weight	534.6
All*	Total formula weight	57748.9

*Water molecules are not included.