3N0U

Crystal structure of Tm1821, the 8-oxoguanine DNA glycosylase of Thermotoga maritima

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 (A, B, C)	Probable N-glycosylase/DNA lyase	polymer	219	25715.8	3	UniProt (Q9X2E1) Pfam (PF22175)	Thermotoga maritima	8-oxoguanine DNA glycosylase, DNA-(apurinic or apyrimidinic site) lyase, AP lyase
2	D, E, F (A, B, C)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
3	G, H, I (A, B, C)	water	water		18.0	677	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 207 (UniProt: Q9X2E1)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	77147.4
Non-Polymers*	Number of molecules	3
	Total formula weight	69.0
All*	Total formula weight	77216.3

*Water molecules are not included.