3AIN

R267G mutant of a HSL-like carboxylesterase from Sulfolobus tokodaii

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, D	303aa long hypothetical esterase	polymer	323	35912.8	4	UniProt (Q976W8) Pfam (PF07859) In PDB	Sulfolobus tokodaii	Carboxylesterase
2	A, B	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	6	Chemie (MPD)
3	A, B, C, D	PHOSPHATE ION	non-polymer		95.0	5	Chemie (PO4)
4	B, C, D	(4R)-2-METHYLPENTANE-2,4-DIOL	non-polymer		118.2	6	Chemie (MRD)
5		water	water		18.0	755	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 303 (UniProt: Q976W8)

PDB	External Database	Details
Met -19	-	EXPRESSION TAG
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
Gly 267	Arg 267	ENGINEERED MUTATION

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	143651.2
Non-Polymers*	Number of molecules	17
	Total formula weight	1892.9
All*	Total formula weight	145544.2

*Water molecules are not included.