2.4.1.1: glycogen phosphorylase
This is an abbreviated version!
For detailed information about glycogen phosphorylase, go to the full flat file.
Word Map on EC 2.4.1.1
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2.4.1.1
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amp
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glycogenolysis
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hepatocytes
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mcardle
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glucagon
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glucose-6-phosphatase
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pyridoxal
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hexokinase
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6-phosphate
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creatine
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epinephrine
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myopathy
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phosphorylases
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phosphofructokinase
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intolerance
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gluconeogenesis
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glucose-1-phosphate
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phosphorolysis
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bb
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troponins
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antidiabetic
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sarcoplasm
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maltodextrins
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amp-dependent
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isoproterenol
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vasopressin
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gluconeogenic
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phenylephrine
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glucokinase
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rhabdomyolysis
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myoglobinuria
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pp1
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beta-adrenergic
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adrenaline
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phosphatase-1
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phosphocreatine
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phosphoglucomutase
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debranching
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soleus
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glucose-6-p
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adp-glucose
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g6pase
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glucagon-stimulated
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inhibitor-2
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2,6-bisphosphate
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glycogenesis
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t-state
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amylose
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biotechnology
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amyloplasts
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medicine
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heart-type
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agriculture
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analysis
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synthesis
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drug development
- 2.4.1.1
- amp
-
glycogenolysis
- hepatocytes
- mcardle
- glucagon
- glucose-6-phosphatase
- pyridoxal
- hexokinase
- 6-phosphate
- creatine
- epinephrine
- myopathy
- phosphorylases
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phosphofructokinase
- intolerance
-
gluconeogenesis
- glucose-1-phosphate
-
phosphorolysis
- bb
- troponins
-
antidiabetic
- sarcoplasm
- maltodextrins
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amp-dependent
- isoproterenol
- vasopressin
-
gluconeogenic
- phenylephrine
- glucokinase
- rhabdomyolysis
- myoglobinuria
- pp1
-
beta-adrenergic
- adrenaline
- phosphatase-1
- phosphocreatine
- phosphoglucomutase
-
debranching
- soleus
-
glucose-6-p
- adp-glucose
- g6pase
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glucagon-stimulated
- inhibitor-2
-
2,6-bisphosphate
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glycogenesis
-
t-state
- amylose
- biotechnology
- amyloplasts
- medicine
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heart-type
- agriculture
- analysis
- synthesis
- drug development
Reaction
Synonyms
1,4-alpha-glucan phosphorylase, alpha-1,4 glucan phosphorylase, alpha-1,4-glycan phosphorylase, alpha-glucan phosphorylase, alpha-glucan phosphorylase H, alpha-glucan/maltodextrin phosphorylase, alphaGP, amylopectin phosphorylase, amylophosphorylase, CcStP, cyosolic phosphorylase, GlgP, glucan phosphorylase, glucosan phosphorylase, glycogen phosphorylase, glycogen phosphorylase a, glycogen phosphorylase b, glycogen phosphorylase-a, GP, GP b, GPA, GPase, GPase a, GPb, GPBB, GPH, granulose phosphorylase, MalP, maltodextrin phosphorylase, More, muscle glycogen phosphorylase, muscle phosphorylase, muscle phosphorylase a and b, myophosphorylase, PF1535, Phb, PHO, Pho 2, Pho1, phosphorylase a, phosphorylase b, phosphorylase, alpha-glucan, plastidial phosphorylase, polyphosphorylase, potato phosphorylase, RMGPa, rmGPb, SP, starch phosphorylase, starch phosphorylase H, stGP, StP, tGPGG, type L alpha-glucan phosphorylase
ECTree
2.4.1.1 glycogen phosphorylaseAdvanced search results
results (
results (KM Value
KM Value on EC 2.4.1.1 - glycogen phosphorylase
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KM VALUE [mM] 
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
IMAGE
1.44
maltose
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pH 6.2, 37°C, synthetic direction, wild-type enzyme
0.054
alpha-D-glucose 1-phosphate
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pH 6.8, 50°C, synthesis reaction
0.85
alpha-D-glucose 1-phosphate
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pH 7.0, 30°C, recombinant wild-type enzyme, synthesis
1.1
alpha-D-glucose 1-phosphate
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pH 7.0, 30°C, recombinant mutant H334Q, synthesis
1.2
alpha-D-glucose 1-phosphate
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synthesis reaction, cosubstrate: maltotetraose, pH 6.5, 70°C
1.3
alpha-D-glucose 1-phosphate
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pH 7.0, 30°C, recombinant mutant H334N, synthesis
1.8
alpha-D-glucose 1-phosphate
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pH 7.0, 30°C, recombinant mutant H334A, synthesis
0.03
amylopectin
pH 7.5, 30°C, degradation reaction, cytosolic isozyme
0.03
amylopectin
pH 7.5, 37°C, synthesis reaction, cytosolic isozyme
1.6
glycogen
-
pH 7.0, 30°C, recombinant wild-type enzyme and mutant H334A, phosphorolysis
1.7
glycogen
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pH 7.0, 30°C, recombinant mutant H334Q, phosphorolysis
16
glycogen
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pH 7.0, 30°C, recombinant mutant H334N, phosphorolysis
0.19
maltoheptaose
pH 6.5, 37°C, recombinant enzyme, phosphorolysis reaction
0.38
maltoheptaose
pH 6.5, 37°C, recombinant enzyme, synthesis reaction
0.81
maltoheptaose
pH 7.5, 30°C, degradation reaction, cytosolic isozyme
1.7
maltoheptaose
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degradation direction, cosubstrate: phosphate, pH 6.5, 30°C
3.6
maltoheptaose
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degradation direction, cosubstrate: phosphate, pH 6.5, 70°C
4.49
maltoheptaose
pH 7.5, 37°C, synthesis reaction, cytosolic isozyme
0.18
maltohexaose
pH 6.5, 37°C, recombinant enzyme, phosphorolysis reaction
0.3
maltohexaose
pH 6.5, 37°C, recombinant enzyme, synthesis reaction
2 - 8.3
maltooctaose
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maltoheptaose, maltohexaose, maltopentaose, maltotetraose, synthesis
0.17
maltopentaose
pH 6.5, 37°C, recombinant enzyme, phosphorolysis reaction
0.28
maltopentaose
pH 6.5, 37°C, recombinant enzyme, synthesis reaction
3.5
maltopentaose
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pH 7.0, 30°C, recombinant mutant H334A, phosphorolysis
3.8
maltopentaose
-
pH 7.0, 30°C, recombinant wild-type enzyme, phosphorolysis
4.1
maltopentaose
-
pH 7.0, 30°C, recombinant mutant H334Q, phosphorolysis
103
maltopentaose
-
pH 7.0, 30°C, recombinant mutant H334N, phosphorolysis
0.28
maltotetraose
-
pH 6.2, 37°C, phosphorolytic direction, wild-type enzyme
0.3
maltotetraose
pH 6.5, 37°C, recombinant enzyme, phosphorolysis reaction
0.44
maltotetraose
pH 7.5, 37°C, synthesis reaction, cytosolic isozyme
0.478
maltotetraose
-
pH 6.2, 37°C, synthetic direction, wild-type enzyme
0.55
maltotetraose
pH 6.5, 37°C, recombinant enzyme, synthesis reaction
2.8
maltotetraose
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degradation direction, cosubstrate: phosphate, pH 6.5, 30°C
4.8
maltotetraose
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degradation direction, cosubstrate: phosphate, pH 6.5, 70°C
12.7
maltotetraose
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synthesis reaction, cosubstrate: alpha-D-glucose 1-phosphate, pH 6.5, 70°C
0.3
maltotriose
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pH 6.2, 37°C, synthetic direction, mutant enzyme k308A
0.31
maltotriose
-
pH 6.2, 37°C, synthetic direction, wild-type enzyme
0.35
maltotriose
-
pH 6.2, 37°C, synthetic direction, mutant enzyme R303A
0.69
maltotriose
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pH 6.2, 37°C, synthetic direction, mutant enzyme H185A
0.79
maltotriose
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pH 6.2, 37°C, phosphorolytic direction, wild-type enzyme
13.4
maltotriose
-
synthesis reaction, cosubstrate: alpha-D-glucose 1-phosphate, pH 6.5, 70°C
70
maltotriose
80°C, pH 6.5, direction of glucose 1-phosphate synthesis
1.9
phosphate
-
degradation direction, cosubstrate: maltoheptaose, pH 6.5, 30°C
2.2
phosphate
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degradation direction, cosubstrate: maltoheptaose, pH 6.5, 70°C
6.8
phosphate
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pH 7.0, 30°C, recombinant wild-type enzyme, phosphorolysis
12
phosphate
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pH 7.0, 30°C, recombinant mutants H334A and H334Q, phosphorolysis
13
phosphate
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pH 7.0, 30°C, recombinant mutant H334N, phosphorolysis
0.1
soluble starch
pH 7.5, 37°C, synthesis reaction, cytosolic isozyme
-
0.15
soluble starch
pH 7.5, 30°C, degradation reaction, cytosolic isozyme
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0.013
starch
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pH 6.2, 37°C, phosphorolytic direction, wild-type enzyme
0.045
starch
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pH 6.2, 37°C, synthetic direction, wild-type enzyme
0.23
starch
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pH 7.0, 30°C, recombinant wild-type enzyme, phosphorolysis
0.25
starch
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pH 7.0, 30°C, recombinant mutant H334A, phosphorolysis
0.32
starch
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pH 7.0, 30°C, recombinant mutant H334Q, phosphorolysis
additional information
additional information
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kinetic parameters of 3 starch phosphorylases
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additional information
additional information
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1.21 mg/ml, starch, phosphorylase C
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additional information
additional information
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0.46% glycogen, with AMP, 0.67% glycogen, without AMP
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additional information
additional information
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1.1 mg/ml, glycogen, phosphorylase A
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additional information
additional information
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20 mg/ml, oyster glycogen, phosphorolysis, 25 mg/ml, endogen glycogen, synthesis, 27 mg/ml, corn dextrin, phosphorolysis, 40 mg/ml, corn dextrin, synthesis
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additional information
additional information
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12 mg/ml maltodextrin
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additional information
additional information
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amylopectin, 0.69 mg/ml and 0.68 mg/ml for phosphorolysis and synthesis, respectively
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additional information
additional information
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2.7 mg/ml, glycogen, isozyme a
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additional information
additional information
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42 mg/ml, oyster glycogen, synthesis
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additional information
additional information
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comparison of muscle phosphorylases of various animals
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additional information
additional information
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comparison of muscle phosphorylases of various animals
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additional information
additional information
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comparison of muscle phosphorylases of various animals
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additional information
additional information
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comparison of muscle phosphorylases of various animals
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additional information
additional information
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comparison of muscle phosphorylases of various animals
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additional information
additional information
Gracilaria sordida
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0.264 mg/ml, amylopectin, 0.277 mg/ml, glycogen, 0.285 mg/ml, amylose, 0.453 mg/ml, maltodextrin
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additional information
additional information
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0.36 mg/ml, glycogen
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additional information
additional information
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0.13 mg/ml, starch phosphorolysis
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additional information
additional information
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0.65 mg/ml, glycogen
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additional information
additional information
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0.24 mg/ml starch, phosphorylase A
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additional information
additional information
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0.19 mg/ml, starch synthesis
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additional information
additional information
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4.2 mg/ml, glycogen, isozyme b
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additional information
additional information
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0.13 mg/ml amylopectin, 0.45 mg/ml glycogen
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additional information
additional information
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5 mg/ml, oyster glycogen
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additional information
additional information
kinetics, forward and reverse reaction, recombinant enzyme
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additional information
additional information
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stopped-flow and steady-state kinetics, wild-type and mutant enzymes
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additional information
additional information
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allosteric kinetics, overview
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additional information
additional information
an allosteric enzyme existing as two interconvertible forms: phosphorylase a (active type) and phosphorylase b (inactive type)
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additional information
additional information
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an allosteric enzyme existing as two interconvertible forms: phosphorylase a (active type) and phosphorylase b (inactive type)
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additional information
additional information
when maltohexaose is used as the substrate, typical Michaelis-Menten curves ar obtained
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