3FZI

1.9 Angstrom structure of the thermophilic exonuclease III homologue Mth0212

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Exodeoxyribonuclease	polymer	265	31430.7	1	UniProt (O26314) Pfam (PF03372) In PDB	Methanothermobacter thermautotrophicus	Mth0212
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	292	Chemie (HOH)

Sequence modifications

A: 1 - 257 (UniProt: O26314)

PDB	External Database	Details
Ala 2	Thr 2	engineered mutation
Leu 258	-	expression tag
Glu 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	31430.7
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	31455.0

*Water molecules are not included.