4RR1

re-refinement of entry 1sot, Crystal Structure of the DegS stress sensor

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 (A, B, C)	Protease degS	polymer	320	34353.9	3	UniProt (H9UXC8) Pfam (PF00089) Pfam (PF00595) UniProt (by SIFTS) (P0AEE3)	Escherichia coli
2	D (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	E (B)	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4	F, G, H (A, B, C)	water	water		18.0	447	Chemie (HOH)

Sequence modifications

A, B, C: 43 - 355 (UniProt: H9UXC8)

PDB	External Database	Details
Mse 42	-	expression tag
His 356	-	expression tag
His 357	-	expression tag
His 358	-	expression tag
His 359	-	expression tag
His 360	-	expression tag
His 361	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	103061.7
Non-Polymers*	Number of molecules	2
	Total formula weight	153.7
All*	Total formula weight	103215.4

*Water molecules are not included.