Entry
Name
GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol 4-beta-mannosyltransferase;
GumI
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
GDP-mannose:GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol 4-beta-mannosyltransferase
Reaction(IUBMB)
GDP-mannose + GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol = 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-ditrans,octacis-undecaprenol [RN:
R09734 ]
Reaction(KEGG)
Substrate
GDP-mannose [CPD:
C00096 ];
GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol
Product
GDP [CPD:
C00035 ];
D-Man-beta-(1->4)- GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol
Comment
The enzyme is involved in the biosynthesis of the exopolysaccharide xanthan.
History
EC 2.4.1.251 created 2011
Orthology
K13658 beta-1,4-mannosyltransferase
Genes
XFU : XFF4834R_chr26150(gumI)
XPH : XppCFBP6546_19505(XppCFBP6546P_19505)
XHD : LMG31886_17100(gumI)
SHG : Sph21_1799 Sph21_2071
PSIC : J4E96_00875 J4E96_16465
MIP : AXH82_09245 AXH82_12460
MICR : BMW26_02580 BMW26_13210 BMW26_13230
MLV : CVS47_00186(gumI_1) CVS47_00496(gumI_2)
MRN : K8F61_11275 K8F61_17475
RTN : A6122_0256 A6122_1742
ROE : Q0F99_00230 Q0F99_05835
RATH : GSU68_11340 GSU68_16450
FSB : GCM10025867_41870(gumI)
AGY : ATC03_05605 ATC03_05660
SALD : FVA74_02115 FVA74_08010
CEZ : CBP52_08085 CBP52_17135
CDON : KKR89_03690 KKR89_04390
JTL : M6D93_04995 M6D93_16465
HHG : XM38_030110(gumI) XM38_039170
PRUN : PCC7821_02455(agl9)
NOE : CLI64_13390 CLI64_19825
SRUB : C2R22_14670 C2R22_14795 C2R22_15395
» show all
Taxonomy
Reference
Authors
Katzen F, Ferreiro DU, Oddo CG, Ielmini MV, Becker A, Puhler A, Ielpi L
Title
Xanthomonas campestris pv. campestris gum mutants: effects on xanthan biosynthesis and plant virulence.
Journal
Sequence
Reference
Authors
Ielpi L, Couso RO, Dankert MA
Title
Sequential assembly and polymerization of the polyprenol-linked pentasaccharide repeating unit of the xanthan polysaccharide in Xanthomonas campestris.
Journal
Reference
Authors
Kim SY, Kim JG, Lee BM, Cho JY
Title
Mutational analysis of the gum gene cluster required for xanthan biosynthesis in Xanthomonas oryzae pv oryzae.
Journal
Other DBs
ExPASy - ENZYME nomenclature database: 2.4.1.251