4ONX

2.8 Angstrom Crystal Structure of Sensor Domain of Histidine Kinase from Clostridium perfringens.

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, D, E... (A, B, C, D, E...)	Sensor histidine kinase	polymer	162	19119.3	6	UniProt (Q0TTS5) Pfam (PF17203) UniProt (by SIFTS) (A0A0H2YV09)	Clostridium perfringens
2	G, K, O (A, B, D)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	H, L, M (A, B, C)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	I, J, N, P, Q (A, C, D, E)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
5	R, S, T, U, V... (A, B, C, D, E...)	water	water		18.0	42	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 30 - 167 (UniProt: Q0TTS5)

PDB	External Database	Details
Mse -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	114716.0
Non-Polymers*	Number of molecules	11
	Total formula weight	782.9
All*	Total formula weight	115498.9

*Water molecules are not included.