4OPK

Bh-RNaseH:2'-SMe-DNA complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Ribonuclease H	polymer	142	16329.5	2	UniProt (Q9KEI9)	Bacillus halodurans	RNase H
2	B, D (B, D)	5'-D(*CP*GP*CP*GP*AP*AP*(USM)P*TP*CP*GP*CP*G)-3'	polymer	12	3695.5	2
3	E, F (A, C)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	G, H, I, J (A, B, C, D)	water	water		18.0	196	Chemie (HOH)

Sequence modifications

A, C: 59 - 196 (UniProt: Q9KEI9)

PDB	External Database	Details
Gly 55	-	expression tag
Ser 56	-	expression tag
His 57	-	expression tag
Met 58	-	expression tag
Asn 132	Asp 132	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	40049.9
Non-Polymers*	Number of molecules	2
	Total formula weight	184.2
All*	Total formula weight	40234.1

*Water molecules are not included.