4R5K

Crystal structure of the DnaK C-terminus (Dnak-SBD-B)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chaperone protein DnaK	polymer	228	25023.1	2	UniProt (P0A6Y8) Pfam (PF00012) In PDB	Escherichia coli	HSP70, Heat shock 70 kDa protein, Heat shock protein 70
2	A, B	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4		water	water		18.0	544	Chemie (HOH)

Sequence modifications

A, B: 389 - 607 (UniProt: P0A6Y8)

PDB	External Database	Details
Met 380	-	expression tag
His 381	-	expression tag
His 382	-	expression tag
His 383	-	expression tag
His 384	-	expression tag
His 385	-	expression tag
His 386	-	expression tag
Ile 387	-	expression tag
Glu 388	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50046.3
Non-Polymers*	Number of molecules	5
	Total formula weight	424.3
All*	Total formula weight	50470.6

*Water molecules are not included.