5TNU

S. tokodaii XPB II crystal structure at 3.0 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA-dependent ATPase XPBII	polymer	459	52887.2	2	UniProt (Q970I2) Pfam (PF18458) Pfam (PF04851) Pfam (PF00271) In PDB	Sulfolobus tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
2	A, B	SULFATE ION	non-polymer		96.1	12	Chemie (SO4)
3	B, A	CHLORIDE ION	non-polymer		35.5	7	Chemie (CL)
4	B, A	GLYCEROL	non-polymer		92.1	7	Chemie (GOL)
5		water	water		18.0	129	Chemie (HOH)

Sequence modifications

A, B: 1 - 439 (UniProt: Q970I2)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	105774.5
Non-Polymers*	Number of molecules	26
	Total formula weight	2045.6
All*	Total formula weight	107820.0

*Water molecules are not included.