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EC Tree
IUBMB Comments Maximum activity is only obtained in the presence of alpha-D-glucose 1,6-bisphosphate. This bisphosphate is an intermediate in the reaction, being formed by transfer of a phosphate residue from the enzyme to the substrate, but the dissociation of bisphosphate from the enzyme complex is much slower than the overall isomerization. The enzyme also catalyses (more slowly) the interconversion of 1-phosphate and 6-phosphate isomers of many other alpha-D-hexoses, and the interconversion of alpha-D-ribose 1-phosphate and 5-phosphate. cf. EC 5.4.2.5, phosphoglucomutase (glucose-cofactor).
The taxonomic range for the selected organisms is: Zea mays The enzyme appears in selected viruses and cellular organisms
Synonyms
phosphoglucomutase, phosphoglucomutase 1, phosphomannomutase/phosphoglucomutase, pmm/pgm, alpha-phosphoglucomutase, pgm/pmm, alpha-pgm, phosphoglucose mutase, phosphoglucomutase1, plastidic phosphoglucomutase,
more
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Glucose phosphomutase
-
-
-
-
Phosphoglucose mutase
-
-
-
-
Phosphomutase, glucose
-
-
-
-
PGM
-
-
-
-
PGM1
-
-
-
-
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-
-, -, -, -, -, -, -, -, -, -, -, -, -, -, -, -, -, -, -, -
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alpha-D-glucose 1,6-phosphomutase
Maximum activity is only obtained in the presence of alpha-D-glucose 1,6-bisphosphate. This bisphosphate is an intermediate in the reaction, being formed by transfer of a phosphate residue from the enzyme to the substrate, but the dissociation of bisphosphate from the enzyme complex is much slower than the overall isomerization. The enzyme also catalyses (more slowly) the interconversion of 1-phosphate and 6-phosphate isomers of many other alpha-D-hexoses, and the interconversion of alpha-D-ribose 1-phosphate and 5-phosphate. cf. EC 5.4.2.5, phosphoglucomutase (glucose-cofactor).
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alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
r
alpha-D-glucose 1,6-bisphosphate + H2O
alpha-D-glucose 6-phosphate + phosphate
-
-
-
-
?
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
alpha-D-glucose 1-phosphate
D-glucose 6-phosphate
-
-
-
-
?
alpha-D-mannose 1-phosphate
alpha-D-mannose 6-phosphate
D-Mannose 1-phosphate
D-Mannose 6-phosphate
-
-
-
-
?
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
-
r
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
-
r
alpha-D-mannose 1-phosphate
alpha-D-mannose 6-phosphate
-
-
-
r
alpha-D-mannose 1-phosphate
alpha-D-mannose 6-phosphate
-
-
-
r
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alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
r
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
-
r
alpha-D-glucose 1-phosphate
alpha-D-glucose 6-phosphate
-
-
-
r
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Mg2+
-
activates
Mg2+
-
approx. 4fold activation at 4 mM
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3-phosphoglycerate
-
uncompetitive inhibition
cis-aconitate
-
weak inhibition
D-Glucose 1,6-bisphosphate
-
-
D-glucose 1-phosphate
-
-
D-mannose 1-phosphate
-
-
isocitrate
-
weak inhibition
Mn2+
-
-
Mn2+
-
approx. 50% inhibition at 5 mM, almost complete inhibition at 7 mM
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D-glucose-1,6-bisphosphate
-
D-fructose-6-phosphate
-
-
D-glucose-1,6-bisphosphate
-
-
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0.016
alpha-D-Glucose 1,6-bisphosphate
-
25°C, pH 7.6
0.02
alpha-D-glucose 1-phosphate
-
25°C, pH 7.6
0.02
D-mannose 1-phosphate
-
25°C, pH 7.6
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0.23
D-Glucose 1,6-bisphosphate
-
25°C, pH 7.6, substrate inhibition at high concentrations
3.3
D-glucose 1-phosphate
-
25°C, pH 7.6, substrate inhibition at high concentrations
1.35
D-mannose 1-phosphate
-
25°C, pH 7.6, substrate inhibition at high concentrations
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6.53
O2 deprivation for 24 h
5
aerobic condition
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5.47
deduced from amino acid sequence
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-
SwissProt
brenda
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-
brenda
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PGMC2_MAIZE
583
0
63041
Swiss-Prot
other Location (Reliability: 3 )
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63000
x * 63000, deduced from nucleotide sequence
66000
-
2 * 66000, SDS-PAGE
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?
x * 63000, deduced from nucleotide sequence
dimer
-
2 * 66000, SDS-PAGE
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phosphoprotein
autophosphorylation
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50
-
no loss of activity after 3 min
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0-4°C, 50% glycerol, 2-3 d, no loss of activity
-
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ammonium sulfate, Sephadex G-25, DEAE-Toyopearl, Toyopearl HW-65
-
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Popova, T.N.; Matasova, L.V.; Lapot'ko, A.A.
Purification, separation and characterization of phosphoglucomutase and phosphomannomutase from maize leaves
Biochem. Mol. Biol. Int.
46
461-470
1998
Zea mays
brenda
Popova, T.N.; Matasova, L.V.; Lapot'ko, A.A.
Purification and some catalytic properties of phosphoglucomutase from maize leaves
Biochemistry (Moscow)
63
697-701
1998
Zea mays
brenda
Manjunath, S.; Lee, C.H.; VanWinkle, P.; Bailey-Serres, J.
Molecular and biochemical characterization of cytosolic phosphoglucomutase in maize. Expression during development and in response to oxygen deprivation
Plant Physiol.
117
997-1006
1998
Zea mays (P93804), Zea mays (P93805), Zea mays
brenda