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Literature summary for 2.3.1.171 extracted from

  • Unno, H.; Ichimaida, F.; Suzuki, H.; Takahashi, S.; Tanaka, Y.; Saito, A.; Nishino, T.; Kusunoki, M.; Nakayama, T.
    Structural and mutational studies of anthocyanin malonyltransferases establish the features of BAHD enzyme catalysis (2007), J. Biol. Chem., 282, 15812-15822.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
A38P mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, threefold decrease in 3-O-glucoside-6’’-malonyltransferase activity, anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity is 50% of 3-O-glucoside-3’’,6’’-dimalonyltransferase wild-type Chrysanthemum x morifolium
A413T mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, fivefold decrease in 3-O-glucoside-6’’-malonyltransferase activity, anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity is 50% of 3-O-glucoside-3’’,6’’-dimalonyltransferase wild-type Chrysanthemum x morifolium
K419N mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, 50% decrease in 3-O-glucoside-6’’-malonyltransferase activity, anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity is 70% of 3-O-glucoside-3’’,6’’-dimalonyltransferase wild-type Chrysanthemum x morifolium
L37V mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, threefold decrease in 3-O-glucoside-6’’-malonyltransferase activity, anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity similar to 3-O-glucoside-3’’,6’’-dimalonyltransferase wild-type Chrysanthemum x morifolium
additional information swapping of regions A, B and C of anthocyanidin 3-O-glucoside-6’’-malonyltransferase and anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase and identification of amino acid residues that are important for anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity in regions A and C Chrysanthemum x morifolium
Q51P mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, 2.5fold decrease in 3-O-glucoside-6’’-malonyltransferase activity, anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity is 50% of 3-O-glucoside-3’’,6’’-dimalonyltransferase wild-type Chrysanthemum x morifolium
T35G mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, sixfold decrease in 3-O-glucoside-6’’-malonyltransferase activity, increase in anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity Chrysanthemum x morifolium
Y411N mutant in 3-O-glucoside-6’’-malonyltransferase containing regions A and C of anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase, ninefold decrease in 3-O-glucoside-6’’-malonyltransferase activity, no anthocyanidin 3-O-glucoside-3’’,6’’-dimalonyltransferase activity Chrysanthemum x morifolium

Organism

Organism UniProt Comment Textmining
Chrysanthemum x morifolium
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
petal
-
Chrysanthemum x morifolium
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
malonyl-CoA + cyanidin 3-O-beta-D-glucoside
-
Chrysanthemum x morifolium CoA + cyanidin 3-O-(6-O-malonyl-beta-D-glucoside)
-
?
malonyl-CoA + delphinidin 3-O-beta-D-glucoside
-
Chrysanthemum x morifolium CoA + delphinidin 3-O-(6-O-malonyl-beta-D-glucoside)
-
?
malonyl-CoA + pelargonidin 3-O-beta-D-glucoside
-
Chrysanthemum x morifolium CoA + pelargonidin 3-O-(6-O-malonyl-beta-D-glucoside)
-
?

Synonyms

Synonyms Comment Organism
Dm3MaT1
-
Chrysanthemum x morifolium

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.2
-
cyanidin 3-O-beta-D-glucoside mutant Y411N, pH 7.0, 30°C Chrysanthemum x morifolium
1.5
-
cyanidin 3-O-beta-D-glucoside mutant T35G, pH 7.0, 30°C Chrysanthemum x morifolium
2.3
-
cyanidin 3-O-beta-D-glucoside mutant A413T, pH 7.0, 30°C Chrysanthemum x morifolium
3.4
-
cyanidin 3-O-beta-D-glucoside mutant A38P, pH 7.0, 30°C Chrysanthemum x morifolium
3.9
-
cyanidin 3-O-beta-D-glucoside mutant L37V, pH 7.0, 30°C Chrysanthemum x morifolium
4.2
-
cyanidin 3-O-beta-D-glucoside mutant Q51P, pH 7.0, 30°C Chrysanthemum x morifolium
6.4
-
cyanidin 3-O-beta-D-glucoside mutant K419N, pH 7.0, 30°C Chrysanthemum x morifolium
11
-
cyanidin 3-O-beta-D-glucoside wild-type, pH 7.0, 30°C Chrysanthemum x morifolium