EC |
2.1.1.305 |
Accepted name: |
8-demethyl-8-α-L-rhamnosyltetracenomycin-C 2′-O-methyltransferase |
Reaction: |
S-adenosyl-L-methionine + 8-demethyl-8-α-L-rhamnosyltetracenomycin C = S-adenosyl-L-homocysteine + 8-demethyl-8-(2-O-methyl-α-L-rhamnosyl)tetracenomycin C
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For diagram of elloramycin biosynthesis, click here |
Glossary: |
8-demethyl-8-α-L-rhamnosyltetracenomycin C = methyl (6aR,7S,10aR)-6a,7,10a,12-tetrahydroxy-8-methoxy-1-methyl-6,10,11-trioxo-3-α-L-rhamnosyloxy-6,6a,7,10,10a,11-hexahydrotetracene-2-carboxylate |
Other name(s): |
ElmMI |
Systematic name: |
S-adenosyl-L-methionine:8-demethyl-8-α-L-rhamnosyltetracenomycin-C 2′-O-methyltransferase |
Comments: |
The enzyme from the bacterium Streptomyces olivaceus is involved in the biosynthesis of the polyketide elloramycin. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc |
References: |
1. |
Patallo, E.P., Blanco, G., Fischer, C., Brana, A.F., Rohr, J., Mendez, C. and Salas, J.A. Deoxysugar methylation during biosynthesis of the antitumor polyketide elloramycin by Streptomyces olivaceus. Characterization of three methyltransferase genes. J. Biol. Chem. 276 (2001) 18765–18774. [DOI] [PMID: 11376004] |
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[EC 2.1.1.305 created 2014] |
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EC |
2.1.1.306 |
Accepted name: |
8-demethyl-8-(2-methoxy-α-L-rhamnosyl)tetracenomycin-C 3′-O-methyltransferase |
Reaction: |
S-adenosyl-L-methionine + 8-demethyl-8-(2-O-methyl-α-L-rhamnosyl)tetracenomycin C = S-adenosyl-L-homocysteine + 8-demethyl-8-(2,3-di-O-methyl-α-L-rhamnosyl)tetracenomycin C
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For diagram of elloramycin biosynthesis, click here |
Glossary: |
8-demethyl-8-α-L-rhamnosyltetracenomycin C = methyl (6aR,7S,10aR)-6a,7,10a,12-tetrahydroxy-8-methoxy-1-methyl-6,10,11-trioxo-3-α-L-rhamnosyloxy-6,6a,7,10,10a,11-hexahydrotetracene-2-carboxylate |
Other name(s): |
ElmMII |
Systematic name: |
S-adenosyl-L-methionine:8-demethyl-8-(2-methoxy-α-L-rhamnosyl)tetracenomycin-C 3′-O-methyltransferase |
Comments: |
The enzyme from the bacterium Streptomyces olivaceus is involved in the biosynthesis of the polyketide elloramycin. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc |
References: |
1. |
Patallo, E.P., Blanco, G., Fischer, C., Brana, A.F., Rohr, J., Mendez, C. and Salas, J.A. Deoxysugar methylation during biosynthesis of the antitumor polyketide elloramycin by Streptomyces olivaceus. Characterization of three methyltransferase genes. J. Biol. Chem. 276 (2001) 18765–18774. [DOI] [PMID: 11376004] |
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[EC 2.1.1.306 created 2014] |
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EC |
2.1.1.307 |
Accepted name: |
8-demethyl-8-(2,3-dimethoxy-α-L-rhamnosyl)tetracenomycin-C 4′-O-methyltransferase |
Reaction: |
S-adenosyl-L-methionine + 8-demethyl-8-(2,3-di-O-methyl-α-L-rhamnosyl)tetracenomycin C = S-adenosyl-L-homocysteine + 8-demethyl-8-(2,3,4-tri-O-methyl-α-L-rhamnosyl)tetracenomycin C |
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For diagram of elloramycin biosynthesis, click here |
Glossary: |
8-demethyl-8-α-L-rhamnosyltetracenomycin C = methyl (6aR,7S,10aR)-6a,7,10a,12-tetrahydroxy-8-methoxy-1-methyl-6,10,11-trioxo-3-α-L-rhamnosyloxy-6,6a,7,10,10a,11-hexahydrotetracene-2-carboxylate |
Other name(s): |
ElmMIII |
Systematic name: |
S-adenosyl-L-methionine:8-demethyl-8-(2,3-di-O-methoxy-α-L-rhamnosyl)tetracenomycin-C 4′-O-methyltransferase |
Comments: |
The enzyme from the bacterium Streptomyces olivaceus is involved in the biosynthesis of the polyketide elloramycin. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc |
References: |
1. |
Patallo, E.P., Blanco, G., Fischer, C., Brana, A.F., Rohr, J., Mendez, C. and Salas, J.A. Deoxysugar methylation during biosynthesis of the antitumor polyketide elloramycin by Streptomyces olivaceus. Characterization of three methyltransferase genes. J. Biol. Chem. 276 (2001) 18765–18774. [DOI] [PMID: 11376004] |
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[EC 2.1.1.307 created 2014] |
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EC |
2.4.1.331 |
Accepted name: |
8-demethyltetracenomycin C L-rhamnosyltransferase |
Reaction: |
dTDP-β-L-rhamnose + 8-demethyltetracenomycin C = dTDP + 8-demethyl-8-α-L-rhamnosyltetracenomycin C |
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For diagram of elloramycin biosynthesis, click here |
Glossary: |
dTDP-β-L-rhamnose = dTDP-6-deoxy-β-L-mannose |
Other name(s): |
elmGT |
Systematic name: |
dTDP-β-L-rhamnose:8-demethyltetracenomycin C 3-α-L-rhamnosyltransferase |
Comments: |
Isolated from Streptomyces olivaceus Tü2353. Involved in elloramycin biosynthesis. In vitro it can also utilize other 6-deoxy D- or L-hexoses. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc |
References: |
1. |
Blanco, G., Patallo, E.P., Brana, A.F., Trefzer, A., Bechthold, A., Rohr, J., Mendez, C. and Salas, J.A. Identification of a sugar flexible glycosyltransferase from Streptomyces olivaceus, the producer of the antitumor polyketide elloramycin. Chem. Biol. 8 (2001) 253–263. [DOI] [PMID: 11306350] |
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[EC 2.4.1.331 created 2014] |
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