3O3G

T. maritima RNase H2 in complex with nucleic acid substrate and calcium ions

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ribonuclease HII	polymer	222	24683.6	1	UniProt (Q9X017) Pfam (PF01351) In PDB	Thermotoga maritima	RNase HII
2	C	DNA (5'-D(*GP*AP*AP*TP*CP*AP*GP*GP*TP*GP*TP*C)-3')	polymer	12	3702.4	1
3	D	DNA/RNA (5'-D(*GP*AP*CP*AP*C)-R(P*C)-D(P*TP*GP*AP*TP*TP*C)-3')	polymer	12	3638.4	1
4	A, C	CALCIUM ION	non-polymer		40.1	5	Chemie (CA)
5		water	water		18.0	244	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	32024.4
Non-Polymers*	Number of molecules	5
	Total formula weight	200.4
All*	Total formula weight	32224.8

*Water molecules are not included.