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Literature summary for 3.4.22.67 extracted from

  • Nafi, A., Foo, H. L., Jamilah, B., Ghazali. H. M.
    Properties of proteolytic enzyme from ginger (Zingiber officinale Roscoe) (2013), Int. Food Res. J., 20, 363-368.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
ascorbic acid
-
Zingiber officinale
cysteine
-
Zingiber officinale
EDTA
-
Zingiber officinale
SDS
-
Zingiber officinale

General Stability

General Stability Organism
ascorbic acid, EDTA, and cysteine stabilize the purified enzyme Zingiber officinale

Inhibitors

Inhibitors Comment Organism Structure
4-chloromercuribenzoate
-
Zingiber officinale
Cu2+ complete inhibition Zingiber officinale
Hg2+ complete inhibition Zingiber officinale
iodoacetamide
-
Zingiber officinale
NEM strong inhibition Zingiber officinale
o-phenanthroline
-
Zingiber officinale
PMSF
-
Zingiber officinale
trans-epoxysuccinyl-L-leucylamido(4-guanidino)butane
-
Zingiber officinale
Tween 20
-
Zingiber officinale
Tween 80
-
Zingiber officinale

Organism

Organism UniProt Comment Textmining
Zingiber officinale
-
from Malaysia
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme from rhizomes by ammonium sulfate fractionation and dialysis Zingiber officinale

Source Tissue

Source Tissue Comment Organism Textmining
rhizome
-
Zingiber officinale
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
27.6
-
purified native enzyme, substrate azocasein, pH 7.0, 60°C Zingiber officinale

Storage Stability

Storage Stability Organism
4°C, more than half of the initial activity is lost after 1 day of storage and after 4 days of storage, only 10.4% of the initial activity remain Zingiber officinale

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
azocasein + H2O
-
Zingiber officinale ?
-
?

Synonyms

Synonyms Comment Organism
ginger protease
-
Zingiber officinale

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Zingiber officinale

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
20 80 activity range, profile overview Zingiber officinale

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8
-
Zingiber officinale

pH Range

pH Minimum pH Maximum Comment Organism
5 9.5 activity range, profile overview Zingiber officinale