5IMN

Crystal structure of N299A/S303A Aspergillus terreus aristolochene synthase complexed with (1S,8S,9aR)-1,9a-dimethyl-8-(prop-1-en-2-yl)decahydroquinolizin-5-ium

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	Aristolochene synthase	polymer	314	36162.4	4	UniProt (Q9UR08) Pfam (PF19086) In PDB	Aspergillus terreus	AS,Sesquiterpene cyclase
2	A, B, C, D	PYROPHOSPHATE 2-	non-polymer		176.0	4	Chemie (POP)
3	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	12	Chemie (MG)
4	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	A, B, C, D	(1S,5S,8S,9aR)-1,9a-dimethyl-8-(prop-1-en-2-yl)octahydro-2H-quinolizinium	non-polymer		208.4	4	Chemie (JF1)
6		water	water		18.0	288	Chemie (HOH)

Sequence modifications

A, B, C, D: 8 - 314 (UniProt: Q9UR08)

PDB	External Database	Details
Met 1	-	initiating methionine
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
Ala 299	Asn 305	engineered mutation
Ala 303	Ser 309	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	144649.5
Non-Polymers*	Number of molecules	21
	Total formula weight	1921.0
All*	Total formula weight	146570.5

*Water molecules are not included.