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Literature summary for 3.2.1.2 extracted from

  • Sarikaya, E.; Higasa, T.; Adachi, M.; Mikami, B.
    Comparison of degradation abilities of alpha- and beta-amylases on raw starch granules (2000), Process Biochem., 35, 711-715.
No PubMed abstract available

Organism

Organism UniProt Comment Textmining
Bacillus cereus
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-
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Glycine max
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-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O beta-amylase hydrolyzes alpha-1,4-linkage, raw starch granules from potato, wheat, rice and corn, with the granules from rice being the best substrate, beta-amylase attacks very slowly on the starch granules, hydrolyzes corn granules efficiently at 45°C Bacillus cereus ?
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?
starch + H2O beta-amylase hydrolyzes alpha-1,4-linkage, raw starch granules from potato, wheat, rice and corn, with the granules from rice being the best substrate, no efficient hydrolysis of raw starch granules, very slow enzymic attack Glycine max ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
assay at Glycine max
35
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assay at Bacillus cereus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
45
-
at 45°C beta-amylase is 60% less active in hydrolysis of corn starch granules than enzyme from Bacillus cereus Glycine max
45
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beta-amylase hydrolyzes corn starch granules efficiently at 45°C, 60% more active than soybean beta-amylase at 45°C Bacillus cereus