5LLQ

Crystal structure of Sulfolobus solfataricus O6-methylguanine methyltransferase C119F variant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Methylated-DNA--protein-cysteine methyltransferase	polymer	164	18678.8	2	UniProt (Q97VW7) Pfam (PF02870) Pfam (PF01035)	Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)	6-O-methylguanine-DNA methyltransferase,MGMT,O-6-methylguanine-DNA-alkyltransferase
2	C, D (B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
3	E, F (A, B)	water	water		18.0	30	Chemie (HOH)

Sequence modifications

A, B: 1 - 151 (UniProt: Q97VW7)

PDB	External Database	Details
Met -12	-	initiating methionine
Arg -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Thr -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag
Phe 119	Cys 119	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	37357.6
Non-Polymers*	Number of molecules	2
	Total formula weight	184.2
All*	Total formula weight	37541.8

*Water molecules are not included.