1KKM

L.casei HprK/P in complex with B.subtilis P-Ser-HPr

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 (A, B, C)	HprK protein	polymer	205	22679.7	3	UniProt (Q9RE09) Pfam (PF07475)	Lactobacillus casei
2	D, E, F (H, I, J)	PHOSPHOCARRIER PROTEIN HPR	polymer	100	10784.0	3	UniProt (P08877) Pfam (PF00381)	Bacillus subtilis	HISTIDINE-CONTAINING PROTEIN
3	G, I, K (A, B, C)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
4	H, J, L (A, B, C)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
5	M, N, O, P, Q... (A, B, C, H, I...)	water	water		18.0	171	Chemie (HOH)

Sequence modifications

A, B, C: 128 - 319 (UniProt: Q9RE09)

PDB	External Database	Details
Met 115	-	expression tag
Arg 116	-	expression tag
Gly 117	-	expression tag
Ser 118	-	expression tag
His 119	-	expression tag
His 120	-	expression tag
His 121	-	expression tag
His 122	-	expression tag
His 123	-	expression tag
His 124	-	expression tag
Gly 125	-	expression tag
Ser 126	-	expression tag
Met 127	-	expression tag

H, I, J: 1 - 88 (UniProt: P08877)

PDB	External Database	Details
Met -11	-	expression tag
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Sep 46	Ser 45	modified residue
Arg 85	Gly 84	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	100390.9
Non-Polymers*	Number of molecules	6
	Total formula weight	405.1
All*	Total formula weight	100796.1

*Water molecules are not included.