7KRV

Stimulating state of disulfide-bridged Hsp70 DnaK

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Chaperone protein DnaK fused with substrate peptide	polymer	552	59693.3	2	UniProt (A0A6D2W465) Pfam (PF00012) UniProt (by SIFTS) (P0A6Y8)	Escherichia coli (strain K12)	HSP70,Heat shock 70 kDa protein,Heat shock protein 70
2	C, D, E, F, G... (B, A)	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
3	H, N (B, A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	I, O (B, A)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5	J, P (B, A)	ethane-1,2-dithiol	non-polymer		94.2	2	Chemie (6LN)
6	Q, R (B, A)	water	water		18.0	630	Chemie (HOH)

Sequence modifications

B, A: 1 - 540 (UniProt: A0A6D2W465)

PDB	External Database	Details
Cys 167	Arg 167	engineered mutation
Ala 199	Thr 199	engineered mutation
Cys 480	Ala 480	engineered mutation

B, A: 541 - 552 (PDB: 7KRV)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	119386.6
Non-Polymers*	Number of molecules	14
	Total formula weight	2019.9
All*	Total formula weight	121406.5

*Water molecules are not included.