4JPB

The structure of a ternary complex between CheA domains P4 and P5 with CheW and with an unzipped fragment of TM14, a chemoreceptor analog from Thermotoga maritima.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chemotaxis protein CheA	polymer	319	35403.9	1	UniProt (Q56310) Pfam (PF02518) Pfam (PF01584) In PDB	Thermotoga maritima
2	W	Chemotaxis protein CheW	polymer	151	16976.8	1	UniProt (Q56311) Pfam (PF01584) In PDB	Thermotoga maritima
3	B, C	Methyl-accepting chemotaxis protein	polymer	90	9976.2	2	UniProt (Q7DFA3) Pfam (PF00015) In PDB	Thermotoga maritima	Methyl-accepting chemotaxis sensory transducer, Chemoreceptor Tm00014

Sequence modifications

A: 356 - 671 (UniProt: Q56310)

PDB	External Database	Details
Gly 353	-	expression tag
Ser 354	-	expression tag
His 355	-	expression tag
-	Phe 487	deletion

W: 1 - 147 (UniProt: Q56311)

PDB	External Database	Details
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

B, C: 107 - 192 (UniProt: Q7DFA3)

PDB	External Database	Details
Gly 103	-	expression tag
Ser 104	-	expression tag
His 105	-	expression tag
Met 106	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	72333.3
All*	Total formula weight	72333.3

*Water molecules are not included.