4LY7

Ancestral RNase H

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ribonuclease H	polymer	155	17610.0	1		unidentified
2	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3		water	water		18.0	220	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	17610.0
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	17802.1

*Water molecules are not included.