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3.2.1.2: beta-amylase

This is an abbreviated version!
For detailed information about beta-amylase, go to the full flat file.

Word Map on EC 3.2.1.2

Reaction

(alpha-D-glucopyranosyl-(1-4))n-alpha-D-glucopyranose
+
H2O
=
(alpha-D-glucopyranosyl-(1-4))n-2-alpha-D-glucopyranose
+
alpha-D-glucopyranosyl-(1-4)-beta-D-glucopyranose

Synonyms

(1-4)-alpha-D-glucan maltohydrolase, 1,4-alpha-D-glucan malto-hydrolase, 1,4-alpha-D-glucan maltohydrolase, 1-4-alpha-glucan maltohydrolase, alpha-1,4-glucan maltohydrolase, amylase, beta-, ARATH, BAM-1, BAM-2, BAM-3, BAM-5, BAM-6, BAM-7, BAM-8, BAM-9, BAM1, BAM3, BAM4, BCB, beta amylase, beta-amylase, beta-amylase 1, beta-amylase I, beta-amylase1, beta-amylase2, beta-amylase8, BMY, Bmy1, Bmy2, Cs-COR018, CT-BMY, glycogenase, More, PF0870, saccharogen amylase, saccharogenamylase, SBA, Sd1, Sd2H, Sd2L, spoII, TCMA, TR-BAMY, type I beta-amylase, type II beta-amylase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.2 beta-amylase

Specific Activity

Specific Activity on EC 3.2.1.2 - beta-amylase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0685
-
pH 5.5, 50°C
100
-
-
103.9
-
pH 4.5, 37°C, soluble starch
1187
-
-
161
Dioscorea batatus
-
-
19.99
-
TPP-interfacial precipitate enzyme after dialysis and lyophilisation, pH 6.0, 50°C
2182
purified commercial preparation, pH and temperature not specified in the publication
24.59
-
TPP-interfacial precipitate enzyme after dialysis, pH 6.0, 50°C
3.79
-
crude enzyme extract, pH 6.0, 50°C
38.24
-
TPP-interfacial precipitate enzyme, pH 6.0, 50°C
4464
-
variant Tainung No.57
45.95
Sorghum sp.
-
96 h germination, the enzyme activity increases progressively during seed germination, overview
4664
-
variant Chailai
986
A-7005; type I-B
additional information