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2.7.7.13: mannose-1-phosphate guanylyltransferase

This is an abbreviated version!
For detailed information about mannose-1-phosphate guanylyltransferase, go to the full flat file.

Word Map on EC 2.7.7.13

Reaction

GTP
+
alpha-D-mannose 1-phosphate
=
diphosphate
+
GDP-mannose

Synonyms

BceA, BceA(J) protein, BceAJ, CYT1, GDP-alpha-D-mannose pyrophosphorylase, GDP-D-mannose pyrophosphorylase, GDP-Man pyrophosphorylase, GDP-mannose pyrophosphorylase, GDP-mannose pyrophosphorylase B, GDP-ManPP, GDP-MP, GDPMan pyrophosphorylase, GMP, GMP3, GMPase, GMPBB, GMPP, GMPP1, GMPP2, GMPP3, GMPPB, GTP-alpha-D-Man-1-P guanylyltransferase, GTP-mannose 1-phosphate guanylyltransferase, GTP-mannose-1-phosphate guanylyltransferase, guanidine diphosphomannose pyrophosphorylase, guanidine diphosphomannose pyrophoyphorylase, guanosine 5'-diphosphate-mannose pyrophosphorylase, guanosine 5'-diphospho-D-mannose pyrophosphorylase, guanosine diphosphate mannose pyrophosphorylase, guanosine diphosphate mannose pyrophosphorylase B, guanosine diphosphate-mannose pyrophosphorylase, guanosine diphosphomannose pyrophosphorylase, guanosine triphosphate-mannose 1-phosphate guanylyltransferase, guanosine-diphospho-D-mannose pyrophosphorylase, guanylyltransferase, mannose 1-phosphate, LDBPK_230120, Man-1-PGTase, mannose 1-phosphate guanyltransferase, mannose 1-phosphate guanylyltransferase (guanosine triphosphate), mannose-1-phosphate guanyl transferase, mannose-1-phosphate guanyltransferase beta, mannose-1-phosphate guanylyltransferase, More, MPG, MPG transferase, multiple sugar-1-P NTase, NDP-sugar pyrophosphorylase, NSPase, Os01g0847200, Os03g0268400, OsVTC1-1, OsVTC1-3, OsVTC1-8, PFManC, PH0925, PH0925 protein, PIM-GMP, RfbM, VCT1-1, VCT1-3, VTC1, VTC1-1, VTC1-3

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.7 Nucleotidyltransferases
                2.7.7.13 mannose-1-phosphate guanylyltransferase

Engineering

Engineering on EC 2.7.7.13 - mannose-1-phosphate guanylyltransferase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D27H/V330I
mutation identified in patient with muscular dystrophy
P22S/D334N
mutation identified in patient with muscular dystrophy
P32L
mutation identified in patient with muscular dystrophy
P32L/R287Q
mutation identified in patient with muscular dystrophy
R185C
mutation identified in patient with muscular dystrophy
R287Q
mutation identified in patient with muscular dystrophy
R74*/D334N
mutation identified in patient with muscular dystrophy
K175E
approx. 9% of wild-type activity, 600fold increase in Km for mannose 1-phosphate
K175Q
approx. 40% of wild-type activity, 3200fold increase in Km for mannose 1-phosphate
K175R
470fold increase in mannose 1-phosphate Km value
K20Q
enzyme is unable to support alginate synthesis although it shows no significant differences in Vmax and Km as compared to wild-type
R19H
approx. 50% of wild-type activity, 8fold increase in Km for mannose 1-phosphate
R19K
approx. 50% of wild-type activity, 2 and 6fold increase in Km for mannose 1-phosphate and GTP, respectively
R19L
approx. 50% of wild-type activity, 5fold increase in Km for mannose 1-phosphate and GTP, respectively
S12A
approx. 44% of wild-type activity, 2 and 3fold decrease in Km for mannose 1-phosphate and GTP, respectively
additional information