2IHN

Co-crystal of Bacteriophage T4 RNase H with a fork DNA substrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C	5'-D(*CP*TP*AP*AP*CP*TP*TP*TP*GP*AP*GP*GP*CP*AP*GP*AP*CP*C)-3'	polymer	18	5500.6	1
2	D	5'-D(*GP*GP*TP*CP*TP*GP*CP*CP*TP*CP*AP*AP*GP*AP*CP*GP*GP*TP*AP*GP*TP*CP*AP*A)-3'	polymer	24	7394.8	1
3	A	Ribonuclease H	polymer	305	35609.9	1	UniProt (P13319) Pfam (PF02739) Pfam (PF09293) In PDB	Enterobacteria phage T4	RNase H
4		water	water		18.0	12	Chemie (HOH)

Sequence modifications

A: 1 - 305 (UniProt: P13319)

PDB	External Database	Details
Asn 132	Asp 132	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	48505.3
All*	Total formula weight	48505.3

*Water molecules are not included.