4QWA

TERNARY CRYSTAL STRUCTURES OF A Y-FAMILY DNA POLYMERASE DPO4 FROM SULFOLOBUS SOLFATARICUS in COMPLEX WITH DNA AND (-)3TC-DP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA polymerase IV	polymer	349	40090.7	1	UniProt (Q97W02) Pfam (PF00817) Pfam (PF11798) Pfam (PF11799) In PDB	Sulfolobus solfataricus	Pol IV
2	C	DNA (5'-D(P*GP*GP*CP*TP*AP*CP*AP*GP*GP*AP*CP*TP*C)-3')	polymer	13	3976.6	1
3	D	DNA (5'-D(P*CP*AP*GP*GP*AP*GP*TP*CP*CP*TP*GP*TP*AP*GP*CP*C)-3')	polymer	16	4899.2	1
4	A	[(2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl]methyl trihydrogen diphosphate	non-polymer		389.2	1	Chemie (0G8)
5	A	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
6		water	water		18.0	283	Chemie (HOH)

Sequence modifications

A: 1 - 341 (UniProt: Q97W02)

PDB	External Database	Details
Leu 342	-	expression tag
Glu 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag
His 349	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	48966.4
Non-Polymers*	Number of molecules	4
	Total formula weight	509.5
All*	Total formula weight	49475.9

*Water molecules are not included.