2XUR

The G157C mutation in the Escherichia coli sliding clamp specifically affects initiation of replication

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)	DNA POLYMERASE III SUBUNIT BETA	polymer	373	41636.7	2	UniProt (P0A988) Pfam (PF00712) Pfam (PF02767) Pfam (PF02768)	ESCHERICHIA COLI
2	C, D (A, B)	water	water		18.0	552	Chemie (HOH)

Sequence modifications

A, B: 1 - 366 (UniProt: P0A988)

PDB	External Database	Details
Met -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Cys 157	Gly 157	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	83273.3
All*	Total formula weight	83273.3

*Water molecules are not included.