Enzyme:2.5.1.9

Upper Levels: EC2.-.-.- Transferases. : EC2.5.-.- Transferring alkyl or aryl groups, other than methyl groups. : EC2.5.1.- Transferring alkyl or aryl groups, other than methyl groups.

IDs and Links
IUBMB	EC2
ExPaSy	NiceZyme 2.5.1.9

6,7-dimethyl-8-(1-D-ribityl)lumazine:6,7-dimethyl-8-(1-D-ribityl)lumazine 2,3-butanediyltransferase
Systematic Name	6,7-dimethyl-8-(1-D-ribityl)lumazine:6,7-dimethyl-8-(1-D-ribityl)lumazine 2,3-butanediyltransferase
Common Name	riboflavin synthase heavy riboflavin synthase light riboflavin synthase riboflavin synthetase riboflavine synthase

2 6,7-Dimethyl-8-(1-D-ribityl)-lumazine => Riboflavin + 4-(1-D-Ribityl-amino)-5-amino-2,6-dihydroxy-pyrimidine (links: 6,7-Dimethyl-8- (1-D-ribityl) -lumazine = Riboflavin + 5-Amino-6- (2,3,4,5-tetrahydroxypentylamino) -1H-pyrimidine-2,4-dione)

6,7-Dimethyl-8- (1-D-ribityl) -lumazine <Mapping> AtomMap:BMCCPTFLq001$BMCCPTFLq008$0 Riboflavin 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 13 7 ↔ 14 8 ↔ 10 9 ↔ 11 10 ↔ 12 11 ↔ 6 12 ↔ 9 13 ↔ 17 14 ↔ 18 15 ↔ 19 16 ↔ 20 17 ↔ 21 6,7-Dimethyl-8- (1-D-ribityl) -lumazine <Mapping> AtomMap:BMCCPTFLq001$BMMCPYURq003$0 5-Amino-6- (2,3,4,5-tetrahydroxypentylamino) -1H-pyrimidine-2,4-dione 1 ↔ 3 2 ↔ 2 3 ↔ 1 4 ↔ 6 5 ↔ 13 8 ↔ 7 9 ↔ 4 10 ↔ 5 13 ↔ 8 14 ↔ 9 15 ↔ 10 16 ↔ 11 17 ↔ 12 6,7-Dimethyl-8- (1-D-ribityl) -lumazine <Mapping> AtomMap:BMCCPTFLq001$BMCCPTFLq008$1 (2nd) Riboflavin 6 ↔ 8 7 ↔ 7 11 ↔ 16 12 ↔ 15