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Literature summary extracted from

  • Huang, G.J.; Lai, H.C.; Chang, Y.S.; Sheu, M.J.; Lu, T.L.; Huang, S.S.; Lin, Y.H.
    Antimicrobial, dehydroascorbate reductase, and monodehydroascorbate reductase activities of defensin from sweet potato [Ipomoea batatas (L.) Lam. Tainong 57] storage roots (2008), J. Agric. Food Chem., 56, 2989-2995.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.6.5.4 overproduced in Escherichia coli Ipomoea batatas
1.8.5.1 overproduced in Escherichia coli Ipomoea batatas

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.6.5.4 8643
-
 x * 8643, SDS-PAGE Ipomoea batatas
1.8.5.1 8643
-
 x * 8643, calculated from sequence Ipomoea batatas

Organism

EC Number Organism UniProt Comment Textmining
1.6.5.4 Ipomoea batatas Q6Q8S2 (L.) Lam. Tainong 57
-
1.8.5.1 Ipomoea batatas Q6Q8S2 (L.) Lam. Tainong 57
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.6.5.4 recombinant enzyme Ipomoea batatas
1.8.5.1 recombinant enzyme Ipomoea batatas

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.6.5.4 root storage root Ipomoea batatas
-
1.8.5.1 root storage root Ipomoea batatas
-
1.8.5.1 sprout
-
 Ipomoea batatas
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.8.5.1 0.00568
-
 pH 6.0 Ipomoea batatas
1.8.5.1 0.02632
-
 pH 7.0 Ipomoea batatas

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.6.5.4 NADH + monodehydroascorbate
-
 Ipomoea batatas NAD+ + ascorbate
-
 ?
1.8.5.1 glutathione + dehydroascorbate
-
 Ipomoea batatas glutathione disulfide + ascorbate
-
 ?

Subunits

EC Number Subunits Comment Organism
1.6.5.4 ? x * 8643, SDS-PAGE Ipomoea batatas
1.8.5.1 ? x * 8643, calculated from sequence Ipomoea batatas

Synonyms

EC Number Synonyms Comment Organism
1.6.5.4 defensin
-
 Ipomoea batatas
1.6.5.4 monodehydroascorbate reductase
-
 Ipomoea batatas
1.6.5.4 SPD1
-
 Ipomoea batatas
1.8.5.1 dehydroascorbate reductase
-
 Ipomoea batatas
1.8.5.1 DHA reductase
-
 Ipomoea batatas
1.8.5.1 SPD1 SPD1 has both DHA reductase and MDA reductase activity Ipomoea batatas

Cofactor

EC Number Cofactor Comment Organism Structure
1.6.5.4 NADH
-
 Ipomoea batatas

pI Value

EC Number Organism Comment pI Value Maximum pI Value
1.6.5.4 Ipomoea batatas
-
-
 8.93
1.8.5.1 Ipomoea batatas calculated from sequence
-
 8.9