6H98

Native crystal structure of anaerobic ergothioneine biosynthesis enzyme from Chlorobium limicola.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Sulfurtransferase	polymer	441	50026.6	1	UniProt (B3ECE3) Pfam (PF00581) In PDB	Chlorobium limicola
2	A	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	A	FORMIC ACID	non-polymer		46.0	1	Chemie (FMT)
5	A	ETHANOL	non-polymer		46.1	1	Chemie (EOH)
6	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
7		water	water		18.0	408	Chemie (HOH)

Sequence modifications

A: 35 - 457 (UniProt: B3ECE3)

PDB	External Database	Details
Met -18	-	initiating methionine
Gly -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ala -10	-	expression tag
Glu -9	-	expression tag
Asn -8	-	expression tag
Leu -7	-	expression tag
Tyr -6	-	expression tag
Phe -5	-	expression tag
Gln -4	-	expression tag
Gly -3	-	expression tag
His -2	-	expression tag
Met -1	-	expression tag
Ala 357	Lys 357	conflict
Ala 358	Lys 358	conflict
Ala 359	Lys 359	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	50026.6
Non-Polymers*	Number of molecules	7
	Total formula weight	292.6
All*	Total formula weight	50319.1

*Water molecules are not included.