3K70

Crystal structure of the complete initiation complex of RecBCD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, E	Exodeoxyribonuclease V beta chain	polymer	1180	134110.6	2	UniProt (P08394) Pfam (PF00580) Pfam (PF13361) Pfam (PF12705) In PDB	Escherichia coli K-12	Exodeoxyribonuclease V 135 kDa polypeptide
2	C, F	Exodeoxyribonuclease V gamma chain	polymer	1122	128974.1	2	UniProt (P07648) Pfam (PF04257) Pfam (PF17946) In PDB	Escherichia coli K-12	Exodeoxyribonuclease V 125 kDa polypeptide
3	D, G	Exodeoxyribonuclease V alpha chain	polymer	608	66990.4	2	UniProt (P04993) Pfam (PF21185) Pfam (PF13245) Pfam (PF13538) In PDB	Escherichia coli K-12	Exodeoxyribonuclease V 67 kDa polypeptide
4	X, Y	DNA (46-MER)	polymer	51	16628.9	2
5	B, E	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	693407.9
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	693488.1

*Water molecules are not included.