The Enzyme Database

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EC 2.1.1.324     
Accepted name: dTDP-4-amino-2,3,4,6-tetradeoxy-D-glucose N,N-dimethyltransferase
Reaction: 2 S-adenosyl-L-methionine + dTDP-4-amino-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose = 2 S-adenosyl-L-homocysteine + dTDP-α-D-forosamine (overall reaction)
(1a) S-adenosyl-L-methionine + dTDP-4-amino-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose = S-adenosyl-L-homocysteine + dTDP-4-(methylamino)-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose
(1b) S-adenosyl-L-methionine + dTDP-4-(methylamino)-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose = S-adenosyl-L-homocysteine + dTDP-α-D-forosamine
For diagram of dTDP-forosamine biosynthesis, click here
Glossary: dTDP-α-D-forosamine = dTDP-4-(dimethylamino)-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose
Other name(s): SpnS; TDP-4-amino-2,3,6-trideoxy-D-glucose N,N-dimethyltransferase
Systematic name: S-adenosyl-L-methionine:dTDP-4-amino-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranose N,N-dimethyltransferase
Comments: The enzyme was isolated from the bacterium Saccharopolyspora spinosa, where it is involved in the biosynthesis of spinosyn A, an active ingredient of several commercial insecticides.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Hong, L., Zhao, Z., Melancon, C.E., 3rd, Zhang, H. and Liu, H.W. In vitro characterization of the enzymes involved in TDP-D-forosamine biosynthesis in the spinosyn pathway of Saccharopolyspora spinosa. J. Am. Chem. Soc. 130 (2008) 4954–4967. [PMID: 18345667]
[EC 2.1.1.324 created 2016]
 
 


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