3F1V

E. coli Beta Sliding Clamp, 148-153 Ala Mutant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA polymerase III subunit beta	polymer	366	40348.2	2	UniProt (P0A988) Pfam (PF00712) Pfam (PF02767) Pfam (PF02768) In PDB	Escherichia coli
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	B	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4		water	water		18.0	378	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Ala 148	His 148	engineered mutation
Ala 149	Gln 149	engineered mutation
Ala 150	Asp 150	engineered mutation
Ala 151	Val 151	engineered mutation
Ala 152	Arg 152	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80696.4
Non-Polymers*	Number of molecules	3
	Total formula weight	115.6
All*	Total formula weight	80812.0

*Water molecules are not included.