6IZO

Crystal structure of DNA polymerase sliding clamp from Caulobacter crescentus

Replaces:  5WYP

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)	Beta sliding clamp	polymer	392	42559.4	2	UniProt (P0CAU5) Pfam (PF00712) Pfam (PF02767) Pfam (PF02768)	Caulobacter vibrioides CB15 (Caulobacter crescentus)	Sliding clamp,Beta-clamp processivity factor,DNA polymerase III beta sliding clamp subunit,DNA polymerase III subunit beta
2	C, E, F (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
3	D (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
4	G, H (A, B)	water	water		18.0	156	Chemie (HOH)

Sequence modifications

A, B: 1 - 372 (UniProt: P0CAU5)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Gly -3	-	expression tag
Arg -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85118.7
Non-Polymers*	Number of molecules	4
	Total formula weight	292.3
All*	Total formula weight	85411.1

*Water molecules are not included.