6A99

Crystal structure of a Stig cyclases Fisc from Fischerella sp. TAU in complex with (3Z)-3-(1-methyl-2-pyrrolidinylidene)-3H-indole

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	aromatic prenyltransferase	polymer	223	24116.8	4	UniProt (A0A1P8VSL7) In PDB	Fischerella sp. UTEX 'LB 1931'
2	A, B, C	(3~{Z})-3-(1-methylpyrrolidin-2-ylidene)indole	non-polymer		198.3	5	Chemie (9UL)
3	A, B, C, D	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
4	A, B, D	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
5		water	water		18.0	168	Chemie (HOH)

Sequence modifications

A, B, C, D: 27 - 228 (UniProt: A0A1P8VSL7)

PDB	External Database	Details
Met 6	-	initiating methionine
Gly 7	-	expression tag
Ser 8	-	expression tag
Ser 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
Ser 16	-	expression tag
Ser 17	-	expression tag
Gly 18	-	expression tag
Leu 19	-	expression tag
Val 20	-	expression tag
Pro 21	-	expression tag
Arg 22	-	expression tag
Gly 23	-	expression tag
Ser 24	-	expression tag
His 25	-	expression tag
Met 26	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	96467.1
Non-Polymers*	Number of molecules	16
	Total formula weight	1384.9
All*	Total formula weight	97852.0

*Water molecules are not included.