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Literature summary extracted from

  • Kim, S.Y.; Kim, J.G.; Lee, B.M.; Cho, J.Y.
    Mutational analysis of the gum gene cluster required for xanthan biosynthesis in Xanthomonas oryzae pv oryzae (2008), Biotechnol. Lett., 31, 265-270.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.B9 UDP-glucose + D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol Xanthomonas oryzae GumM is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively UDP + D-Glc-beta-(1->4)-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol
-
?
2.4.1.251 GDP-mannose + GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol Xanthomonas oryzae GumK is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively GDP + D-Man-beta-(1->4)-GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol
-
?
2.4.1.252 additional information Xanthomonas oryzae GumH is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDPglucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively additional information
-
?
2.4.1.264 UDP-alpha-D-glucuronate + D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphosphoundecaprenol Xanthomonas oryzae GumK is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively UDP + GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphosphoundecaprenol
-
?
2.7.8.31 UDP-glucose + ditrans,octacis-undecaprenyl phosphate Xanthomonas oryzae GumD is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDPglucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively UMP + alpha-D-glucopyranosyl-diphospho-ditrans,octacis-undecaprenol
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.B9 Xanthomonas oryzae
-
pv. oryzae
-
2.4.1.251 Xanthomonas oryzae
-
pv. oryzae
-
2.4.1.252 Xanthomonas oryzae Q5GXZ4 pv. oryzae
-
2.4.1.264 Xanthomonas oryzae
-
pv. oryzae
-
2.7.8.31 Xanthomonas oryzae
-
pv. oryzae
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.B9 UDP-glucose + D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol GumM is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively Xanthomonas oryzae UDP + D-Glc-beta-(1->4)-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol
-
?
2.4.1.251 GDP-mannose + GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol GumK is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively Xanthomonas oryzae GDP + D-Man-beta-(1->4)-GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-dicis,octatrans-undecaprenol
-
?
2.4.1.252 additional information GumH is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDPglucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively Xanthomonas oryzae additional information
-
?
2.4.1.264 UDP-alpha-D-glucuronate + D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphosphoundecaprenol GumK is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDP-glucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively Xanthomonas oryzae UDP + GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphosphoundecaprenol
-
?
2.7.8.31 UDP-glucose + ditrans,octacis-undecaprenyl phosphate GumD is involved in biosynthesis of the pentasaccharide repeating unit of xanthan. It is suggested that the wild-type Xanthomonas oryzae-produced xanthan is assembled by the sequential addition of UDP-glucose, UDP-glucose, GDP-mannose, UDPglucuronic acid, and GDP-mannose onto a polyprenol phosphate carrier, by the glycosyltransferase homologues encoded by the gumD, gumM, gumH, gumK, and gumI genes, respectively Xanthomonas oryzae UMP + alpha-D-glucopyranosyl-diphospho-ditrans,octacis-undecaprenol
-
?

Synonyms

EC Number Synonyms Comment Organism
2.4.1.B9 gumM
-
Xanthomonas oryzae
2.4.1.251 gumI
-
Xanthomonas oryzae
2.4.1.252 gumH
-
Xanthomonas oryzae
2.4.1.264 gumK
-
Xanthomonas oryzae
2.7.8.31 gumD
-
Xanthomonas oryzae

General Information

EC Number General Information Comment Organism
2.4.1.B9 malfunction significantly attenuated production of xanthan in knock-out mutant strain Xanthomonas oryzae
2.4.1.B9 physiological function GumM is involved in biosynthesis of the pentasaccharide repeating unit of xanthan Xanthomonas oryzae
2.4.1.251 malfunction decreased amount of the exopolysaccharide produced by the gumI mutant strain SJ1021 may be due to incomplete polymerization of the tetrasaccharide repeating units. Although this strain is not fully capable of producing the pentasaccharide repeating units, the absence of a terminal mannose residue in xanthan does not affect the full virulence of Xanthomonas oryzae Xanthomonas oryzae
2.4.1.251 physiological function GumI is involved in biosynthesis of the pentasaccharide repeating unit of xanthan Xanthomonas oryzae
2.4.1.252 malfunction significantly attenuated production of xanthan in knock-out mutant strain Xanthomonas oryzae
2.4.1.252 physiological function GumH is involved in biosynthesis of the pentasaccharide repeating unit of xanthan Xanthomonas oryzae
2.4.1.264 malfunction significantly attenuated production of xanthan in knock-out mutant strain Xanthomonas oryzae
2.4.1.264 physiological function GumK is involved in biosynthesis of the pentasaccharide repeating unit of xanthan Xanthomonas oryzae
2.7.8.31 malfunction significantly attenuated production of xanthan in knock-out mutant strain SJ1017 Xanthomonas oryzae
2.7.8.31 physiological function GumH is involved in biosynthesis of the pentasaccharide repeating unit of xanthan Xanthomonas oryzae