3HQF

Crystal structure of restriction endonuclease EcoRII N-terminal effector-binding domain in complex with cognate DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Restriction endonuclease	polymer	181	19909.2	1	UniProt (O69414) Pfam (PF09217) In PDB	Escherichia coli	Restriction endonuclease type IIe
2	B	5'-D(*GP*CP*CP*CP*TP*GP*GP*CP*G)-3'	polymer	9	2732.8	1
3	C	5'-D(*CP*GP*CP*CP*AP*GP*GP*GP*C)-3'	polymer	9	2741.8	1
4		water	water		18.0	153	Chemie (HOH)

Sequence modifications

A: 4 - 172 (UniProt: O69414)

PDB	External Database	Details
Met -8	-	expression tag
Arg -7	-	expression tag
Gly -6	-	expression tag
Ser -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
Gly 2	-	expression tag
Ser 3	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	25383.8
All*	Total formula weight	25383.8

*Water molecules are not included.