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1.14.17.4: aminocyclopropanecarboxylate oxidase

This is an abbreviated version!
For detailed information about aminocyclopropanecarboxylate oxidase, go to the full flat file.

Word Map on EC 1.14.17.4

Reaction

1-aminocyclopropane-1-carboxylate
+
ascorbate
+
O2
=
Ethene
+
cyanide
+
dehydroascorbate
+
CO2
+ 2 H2O

Synonyms

1-aminocyclopropane-1-carboxylate oxidase, 1-aminocyclopropane-1-carboxylic acid oxidase, 1-aminocyclopropane-1-carboxylic acid oxidase (gene CM-ACO1), 1-aminocyclopropane-1-carboxylic oxidase, 1-aminocyclopropyl-1-carboxylic acid oxidase, ACC oxidase, ACC oxidase 1, ACC oxidase 2, ACC-oxidase, ACCO, ACCO1, ACO, Aco1, Aco2, Aco3, ACO4, ACO6, aminocyclopropane-1-carboxylate oxidase, aminocyclopropane-2-carboxylic oxidase, AsACO, AtACO1, ethylene-forming enzyme, LeACO1, LeACO4, Ls-ACO1, Ls-ACO2, Ls-ACO3, MD-ACO1, MD-ACO2, MD-ACO3, NsACO, oxidase, aminocyclopropanecarboxylate, PgACO, PmACO, PsACO, TR-ACO1p, TR-ACO2p, TR-ACO3p, TR-ACO4p, ZmACO

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.17 With reduced ascorbate as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.17.4 aminocyclopropanecarboxylate oxidase

Engineering

Engineering on EC 1.14.17.4 - aminocyclopropanecarboxylate oxidase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D179E
site-directed mutagenesis, 1% activity compared to the recombinant wild-type enzyme
G137P
site-directed mutagenesis, 98% activity compared to the recombinant wild-type enzyme
H177Q
site-directed mutagenesis, 1% activity compared to the recombinant wild-type enzyme
K158A
site-directed mutagenesis, 1% activity compared to the recombinant wild-type enzyme
K158C
site-directed mutagenesis, 1% activity compared to the recombinant wild-type enzyme
K172A
site-directed mutagenesis, 85% activity compared to the recombinant wild-type enzyme
K172C
site-directed mutagenesis, 64% activity compared to the recombinant wild-type enzyme
G289S
the enzyme activity of the mutant is 3times as high as that of the wild type enzyme
H216D
the mutant shows 76% of wild type activity
H216D/D218E
the mutant shows 78% of wild type activity
H216D/D218E/H273Q
the mutant does not completely lose catalytic activity
H273Q
the mutant shows 62% of wild type activity
R287G
the activity of the mutant is remarkably decreased to nearly 40% compared to the wild type enzyme
C133A
C133P
C165A
C283A
site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme
C28A
-
the mutant shows increased activity compared to the wild type enzyme
E294F
E297L
E301D
E301L
F187Y
F300Q
F300Y
K144E
K158E
K158L
K158Q
K158Q/R175E
K158Q/R175Q
K158R
K158R/R175Q
K172E
K199E
K230E
-
the mutant shows reduced activity compared to the wild type enzyme
K230Q
K230R
K230W
site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme
K292E
K292R
K296E
N216F
P298A
Q188A
Q188K
Q188N
R175A
R175E
R175E/R244K
R175E/S146A
site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme
R175E/S246A
-
the mutant shows reduced activity compared to the wild type enzyme
R175E/T157A
R175G
R175H
R175K
R175Q
R244A
-
enzymic activity about 20% of wild-type
R244G
-
enzymic activity about 20% of wild-type
R244K
R244K/S246A
R244K/S246A/T157A
-
the mutant shows reduced activity compared to the wild type enzyme
R244K/T157A
R299E
R299H
R299K
R299L
S246A
S246A/R244K/T157A
site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme
S246F
-
enzymic activity less than 5% of wild-type
S246G
-
enzymic activity about 50% of wild-type
S246T
-
enzymic activity less than 5% of wild-type
S246Y
-
enzymic activity less than 5% of wild-type
S257A
-
KM-value similar to wild-type
T157A
V159G
-
enzymic activity about 30% of wild-type
W203F
Y251F
D179E
-
site-directed mutagenesis, very low activity, stimulation by bicarbonate
D179N
-
site-directed mutagenesis, no activity
H177D
-
site-directed mutagenesis, no activity
H177D/D179E
-
site-directed mutagenesis, no activity
H177E
-
site-directed mutagenesis, very low activity, stimulation by bicarbonate
H177Q
-
site-directed mutagenesis, no activity
H211Q
-
site-directed mutagenesis, slightly reduced activity
H234D
-
site-directed mutagenesis, no activity
H234E
-
site-directed mutagenesis, no activity
H234Q
-
site-directed mutagenesis, no activity
H39Q
-
site-directed mutagenesis, slightly reduced activity
H56Q
-
site-directed mutagenesis, activity similar to the wild-type
H94Q
-
site-directed mutagenesis, slightly reduced activity
additional information