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Literature summary for 5.4.99.15 extracted from

  • Nakada, T.; Ikegami, S.; Chaen, H.; Kubota, M.; Fukuda, S.; Sugimoto, T.; Kurimoto, M.; Tsujisaka, Y.
    Purification and characterization of thermostable maltooligosyl trehalose synthase from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius (1996), Biosci. Biotechnol. Biochem., 60, 263-266.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ slight Sulfolobus acidocaldarius
Hg2+ strong Sulfolobus acidocaldarius

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.6
-
short chain amylose
-
Sulfolobus acidocaldarius
1.4
-
maltohexaose maltoheptaose Sulfolobus acidocaldarius
5.7
-
maltohexaose
-
Sulfolobus acidocaldarius
7.1
-
maltopentaose
-
Sulfolobus acidocaldarius
41.5
-
maltotetraose
-
Sulfolobus acidocaldarius

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
74000
-
x * 74000, SDS-PAGE Sulfolobus acidocaldarius

Organism

Organism UniProt Comment Textmining
Sulfolobus acidocaldarius
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Sulfolobus acidocaldarius

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
80.8
-
-
Sulfolobus acidocaldarius

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Maltoheptaose 92% of the activity with maltopentaose Sulfolobus acidocaldarius ?
-
?
Maltohexaose 145% of the activity with maltopentaose Sulfolobus acidocaldarius ?
-
?
Maltopentaose
-
Sulfolobus acidocaldarius alpha-Maltotriosyl trehalose
-
?
Maltotetraose 23% of the activity with maltopentaose Sulfolobus acidocaldarius ?
-
?
Short chain amylose 43% of the activity with maltopentaose Sulfolobus acidocaldarius ?
-
?

Subunits

Subunits Comment Organism
? x * 74000, SDS-PAGE Sulfolobus acidocaldarius

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
75
-
-
Sulfolobus acidocaldarius

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
85
-
60 min, stable up to Sulfolobus acidocaldarius

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5 5.5
-
Sulfolobus acidocaldarius

pH Stability

pH Stability pH Stability Maximum Comment Organism
4.5 9.5 4°C, 24 h, stable Sulfolobus acidocaldarius