1Y97

The human TREX2 3' exonuclease structure suggests a mechanism for efficient non-processive DNA catalysis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Three prime repair exonuclease 2	polymer	238	26224.3	2	UniProt (Q9BQ50) In PDB	Homo sapiens (human)	3'-5' exonuclease TREX2
2		water	water		18.0	77	Chemie (HOH)

Sequence modifications

A, B: 1 - 236 (UniProt: Q9BQ50)

PDB	External Database	Details
Ala -1	-	CLONING ARTIFACT
Gly 0	-	CLONING ARTIFACT
Mse 1	Met 44	MODIFIED RESIDUE
Mse 64	Met 107	MODIFIED RESIDUE
Mse 225	Met 268	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52448.7
All*	Total formula weight	52448.7

*Water molecules are not included.