Any feedback?
Please rate this page
(all_enzymes.php)
(0/150)

BRENDA support

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

KI Value

KI Value on EC 3.2.1.2 - beta-amylase

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
13.1 - 13.4
Ca2+
-
pH 4.8, 27°C
0.36 - 0.8
cyclohexaamylose
262
D-glucose
pH 5, 20°C, iodine staining method
11.7
D-maltose
pH 5, 20°C, iodine staining method
2.8 - 5.7
maltitol
18.6
Mg2+
-
pH 4.8, 27°C
0.45
O-alpha-D-xylopyranosyl(1-4)O-alpha-D-glucopyranosyl(1-4)O-alpha-D-glucopyranoside
pH 7, 25°C, wild-type enzyme, amylose as substrate
17.5 - 17.7
Zn2+
-
pH 4.8, 27°C
additional information
additional information
-
inhibition kinetics
-