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1.1.99.18: cellobiose dehydrogenase (acceptor)

This is an abbreviated version!
For detailed information about cellobiose dehydrogenase (acceptor), go to the full flat file.

Word Map on EC 1.1.99.18

Reaction

cellobiose
+
acceptor
=
cellobiono-1,5-lactone
+
reduced acceptor

Synonyms

cbdA, CBO, CBOR, Cdh, CDH IIA, CDH IIB, cdh-1, CDH1, Cdh2, CDHIIA, cellobiose (acceptor) 1-oxidoreductase, cellobiose dehydrogenase, cellobiose dehydrogenase IIA, cellobiose oxidase, cellobiose oxidoreductase, cellobiose [acceptor] 1-oxidoreductase, Cellobiose-quinone oxidoreductase, cellobiose:(acceptor) 1-oxidoreductase, cellobiose:quinone oxidoreductase, cellobiose:[acceptor] 1-oxidoreductase, DCHsr, dehydrogenase, cellobiose, EC 1.1.3.25, EC 1.1.5.1, MtCDH, oxidase, cellobiose, Thite_59724, TpCDH, TvCDH

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.99 With unknown physiological acceptors
                1.1.99.18 cellobiose dehydrogenase (acceptor)

Temperature Stability

Temperature Stability on EC 1.1.99.18 - cellobiose dehydrogenase (acceptor)

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
100
-
2 min, complete loss of activity
20 - 30
-
the enzymes are stable for 10 h at 20-30°C
30 - 50
30 - 60
-
the enzyme is highly stable at 30-60°C, with maximum activity at 30°C when incubated for 5 min. Below 30°C and above 60°C, the enzyme activity decreases, respectively
37
Thermothelomyces myriococcoides
residual activity after 52 h when stored in 11 mM PBS pH 7.4 buffer: wild-type enzyme (106%), mutant enzyme M309V: (103%), mutant enzyme M309K: (94%), mutant enzyme M409S: (102%), mutant enzyme M309K/M409S: (116%), mutant enzyme L324C: (57%), mutant enzyme L324C/M409S: (58%), mutant enzyme M309K/L324C: (8%)
40 - 60
-
20% activity lost after 12 h at 50°C and pH 6.1, 80% activity lost after 1 h at 60°C and pH 6.1, all activity lost after 10 min at 70°C and pH 6.1
45 - 55
Thermothelomyces myriococcoides
-
stable for 50 h
47.6
Thermothelomyces myriococcoides
Tm-value, mutant enzyme M309K/M409S
49.8
Thermothelomyces myriococcoides
Tm-value, mutant enzyme M409S
50 - 70
-
thermostable enzyme, 10 h half-life at 60°C, 3 h at 70°C
50 - 90
complete loss of enzyme activity is recorded at 90°C after heat exposure for 30 min and at 50°C after 12 h
51.9
Thermothelomyces myriococcoides
Tm-value, mutant enzyme L324C/M409S
53.9
Thermothelomyces myriococcoides
Tm-value, mutant enzyme M309K
56.3
Thermothelomyces myriococcoides
Tm-value, mutant enzyme L324C
56.4
Thermothelomyces myriococcoides
Tm-value, mutant enzyme M309V
65
-
stable up to
65 - 87
-
the enzyme unfolds over the range of 65-87°C, with a Tm value of 80.2°C
80.2
melting temperature