3ZX6

Structure of Hamp(AF1503)-Tsr fusion - Hamp (A291V) mutant

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)	HAMP, METHYL-ACCEPTING CHEMOTAXIS PROTEIN I	polymer	341	36136.1	2	UniProt (O28769) UniProt (P02942) Pfam (PF00672) Pfam (PF00015)	ARCHAEOGLOBUS FULGIDUS	MCP-I, SERINE CHEMORECEPTOR PROTEIN, TSR
2	C, D (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	E, F (A, B)	water	water		18.0	76	Chemie (HOH)

Sequence modifications

A, B: 2 - 50 (UniProt: O28769)

PDB	External Database	Details
Met 1	-	expression tag
Val 15	Ala 291	engineered mutation

A, B: 51 - 305 (UniProt: P02942)
A, B: 309 - 339 (UniProt: P02942)

PDB	External Database	Details
Gln 306	-	linker
Gln 307	-	linker
Gln 308	-	linker
Thr 325	Ala 535	conflict
Gly 335	Glu 545	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72272.1
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	72343.0

*Water molecules are not included.