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Literature summary for 2.4.1.1 extracted from

  • Foda, M.S.; Phaff, H.J.
    Properties and kinetics of glucan phosphorylase of the amylose-forming yeast Cryptococcus laurentii (1978), Z. Allg. Mikrobiol., 18, 95-106.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cl- weak inhibition Papiliotrema laurentii
NaNO3 strong inhibition Papiliotrema laurentii
sulfate weak Papiliotrema laurentii

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Papiliotrema laurentii
16
-
glucose 1-phosphate
-
Papiliotrema laurentii

Organism

Organism UniProt Comment Textmining
Papiliotrema laurentii
-
syn. Rhodotorula peneaus, strain 48-23A
-

Purification (Commentary)

Purification (Comment) Organism
partial purification Papiliotrema laurentii

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.76
-
-
Papiliotrema laurentii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
glycogen + glucose 1-phosphate
-
Papiliotrema laurentii glycogen + phosphate
-
r
[(1->4)-alpha-D-glucosyl]n + phosphate
-
Papiliotrema laurentii [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate
-
r

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
36
-
20% loss of activity within 5 min Papiliotrema laurentii
43
-
and above, inactivation within 5 min Papiliotrema laurentii
45
-
complete loss of activity after 5 min Papiliotrema laurentii

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.9 6.2
-
Papiliotrema laurentii

pH Range

pH Minimum pH Maximum Comment Organism
5.2 7.5 approx. 70% of maximal activity at pH 5.2 and approx. half-maximal activity at pH 7.5 Papiliotrema laurentii