3OQG

Restriction endonuclease HPY188I in complex with substrate DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Hpy188I	polymer	180	21130.1	2	UniProt (Q9KJ88) In PDB	Helicobacter pylori (Campylobacter pylori)
2	C	DNA 5'-D(*GP*AP*TP*CP*TP*GP*AP*AP*C)-3'	polymer	9	2739.8	1
3	D	DNA 5'-D(*GP*TP*TP*CP*AP*GP*AP*TP*C)-3'	polymer	9	2730.8	1
4	A, B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
6		water	water		18.0	359	Chemie (HOH)

Sequence modifications

A, B: 1 - 170 (UniProt: Q9KJ88)

PDB	External Database	Details
Met -9	-	EXPRESSION TAG
Gly -8	-	EXPRESSION TAG
His -7	-	EXPRESSION TAG
His -6	-	EXPRESSION TAG
His -5	-	EXPRESSION TAG
His -4	-	EXPRESSION TAG
His -3	-	EXPRESSION TAG
His -2	-	EXPRESSION TAG
Glu -1	-	EXPRESSION TAG
Phe 0	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	47730.8
Non-Polymers*	Number of molecules	3
	Total formula weight	81.4
All*	Total formula weight	47812.2

*Water molecules are not included.