4A1N

Human Mitochondrial endo-exonuclease

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	NUCLEASE EXOG, MITOCHONDRIAL	polymer	335	37981.9	1	UniProt (Q9Y2C4) Pfam (PF01223) Pfam (PF18026) In PDB	HOMO SAPIENS (HUMAN)	ENDONUCLEASE G-LIKE 1, ENDO G-LIKE 1, ENDO-EXO NUCLEASE
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5		water	water		18.0	67	Chemie (HOH)

Sequence modifications

A: 42 - 368 (UniProt: Q9Y2C4)

PDB	External Database	Details
Met 41	-	expression tag
Val 330	Glu 330	cloning artifact
Ala 369	-	expression tag
His 370	-	expression tag
His 371	-	expression tag
His 372	-	expression tag
His 373	-	expression tag
His 374	-	expression tag
His 375	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	37981.9
Non-Polymers*	Number of molecules	4
	Total formula weight	118.2
All*	Total formula weight	38100.1

*Water molecules are not included.