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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

Turnover Number

Turnover Number on EC 3.2.1.2 - beta-amylase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
962
4-nitrophenyl alpha-maltopyranoside
pH 7.0, 90°C
0.24 - 2739
amylopectin
2400
amylose
-
-
0.034 - 1280
maltopentaose
3.95
maltotetraose
pH 5.0, 85°C
11.45
maltotriose
pH 5.0, 85°C
299 - 6540
starch
additional information
additional information
-