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Literature summary for 4.2.1.73 extracted from

  • Cameron, D.W.; Sawyer, W.H.; Trikojus, V.M.
    Colouring matters of the Aphidoidea XLII. Purification and properties of the cyclising enzyme [protoaphin dehydratase (cyclising)] concerned with pigment transformations in the wooly aphid Eriosoma lanigerum Hausmann (Hemiptera: Insecta) (1977), Aust. J. Biol. Sci., 30, 173-181.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Naphthoresorcinol i.e. 1,3-dihydroxynaphthalene Eriosoma lanigerum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
120000
-
analytical ultracentrifugation Eriosoma lanigerum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Protoaphin aglucone Eriosoma lanigerum protoaphins occur in the hemolymph of the insects and are responsible for the dark color of their bodies ?
-
?

Organic Solvent Stability

Organic Solvent Comment Organism
Butanol stable Eriosoma lanigerum
Butanol stable Dactynotus jaceae

Organism

Organism UniProt Comment Textmining
Dactynotus jaceae
-
-
-
Eriosoma lanigerum
-
Hausmann, wolly aphid, hemiptera
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification 14-15 glucosamine residues per mol of protein Eriosoma lanigerum

Purification (Commentary)

Purification (Comment) Organism
partial Eriosoma lanigerum

Source Tissue

Source Tissue Comment Organism Textmining
whole body insect Eriosoma lanigerum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Protoaphin aglucone
-
Dactynotus jaceae Xanthoaphin + H2O
-
?
Protoaphin aglucone ir Eriosoma lanigerum Xanthoaphin + H2O ir ?
Protoaphin aglucone protoaphins occur in the hemolymph of the insects and are responsible for the dark color of their bodies Eriosoma lanigerum ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 130000-140000, overestimation of MW in SDS-PAGE is caused by glucosamine residues Eriosoma lanigerum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20 22 enzyme assay at Eriosoma lanigerum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.6
-
enzyme assay at Eriosoma lanigerum