7CLG

Crystal structure of the ATP-dependent restriction endonuclease SauUSI

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Putative helicase	polymer	953	110977.9	2	UniProt (A0A0H2XK17) Pfam (PF13091) Pfam (PF04851) Pfam (PF00271) Pfam (PF11907) In PDB	Staphylococcus aureus subsp. aureus USA300	ATP-dependent restriction endonuclease, SauUSI
2	A, B	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	33	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	221955.7
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	222340.0

*Water molecules are not included.