4H9D

Crystal Structure of Mn-dependent Gme HNH nicking endonuclease from Geobacter metallireducens GS-15, Northeast Structural Genomics Consortium (NESG) Target GmR87

Replaces:  2QGP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	HNH endonuclease	polymer	112	13382.8	3	UniProt (Q39X46) Pfam (PF14279) In PDB	Geobacter metallireducens
2	A, B, C	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	13	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 104 (UniProt: Q39X46)

PDB	External Database	Details
Leu 105	-	EXPRESSION TAG
Glu 106	-	EXPRESSION TAG
His 107	-	EXPRESSION TAG
His 108	-	EXPRESSION TAG
His 109	-	EXPRESSION TAG
His 110	-	EXPRESSION TAG
His 111	-	EXPRESSION TAG
His 112	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	40148.4
Non-Polymers*	Number of molecules	4
	Total formula weight	220.5
All*	Total formula weight	40368.9

*Water molecules are not included.