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Literature summary for 2.4.1.207 extracted from

  • Nishitani, K.; Tominaga, R.
    Endo-xyloglucan transferase, a novel class of glycosyltransferase that catalyzes transfer of a segment of xyloglucan molecule to another xyloglucan molecule (1992), J. Biol. Chem., 267, 21058-21064.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall
-
Vigna angularis 5618
-
extracellular extracellular or apoplastic space of epicotyls Vigna angularis
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33000
-
x * 33000, SDS-PAGE Vigna angularis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
donor xyloglucan + xyloglucan acceptor Vigna angularis reconnecting enzyme for xyloglucans, involved in the interweaving or reconstruction of cell wall matrix, which is responsible for chemical creepage that leads to morphological changes in the cell wall, responsible for cell wall loosening and integration of cell wall architecture ?
-
?

Organism

Organism UniProt Comment Textmining
Vigna angularis
-
Ohwi and Ohashi, cv. Takara
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein with mannosyl residues Vigna angularis

Purification (Commentary)

Purification (Comment) Organism
87fold, from apoplastic space of epicotyls Vigna angularis

Source Tissue

Source Tissue Comment Organism Textmining
epicotyl
-
Vigna angularis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Vigna angularis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
donor xyloglucan + acceptor xyloglucan acceptor specificity Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan enzyme requires a basic xyloglucan structure, i.e. a beta-1,4-glucosyl backbone with xylosyl side chains, for both acceptor and donor activity, higher activity when xyloglucans with higher MW are used as donor substrates, xyloglucans smaller than 10 kDa are no donor substrates, pyridylamino heptasaccharide, xyloglucan oligomers or polymers are good acceptors Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan highly specific for xyloglucan as the glycosyl donor Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan xyloglucan from Tamarindus indica Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan xyloglucan from Vigna angularis Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan xyloglucan from Tropaeolum majus seed Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan donor specificity Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan enzyme transfers a large segment of a xyloglucan molecule to another one generating chimeric polymers Vigna angularis ?
-
?
donor xyloglucan + acceptor xyloglucan galactosyl or fucosyl side chains are not required for acceptor activity Vigna angularis ?
-
?
donor xyloglucan + Xylalpha(1-6)Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)Glcbeta1-PA pyridylamino heptasaccharide is a good substrate Vigna angularis ?
-
?
donor xyloglucan + xyloglucan acceptor reconnecting enzyme for xyloglucans, involved in the interweaving or reconstruction of cell wall matrix, which is responsible for chemical creepage that leads to morphological changes in the cell wall, responsible for cell wall loosening and integration of cell wall architecture Vigna angularis ?
-
?
additional information no glycosidase or glycanase activity, no donors: xyloglucans smaller than 10 kDa, carboxymethylcellulose, Avena glucan, maize xylan, Rhodymenia xylan, no acceptors: pyridylamino cellohexaose, pyridylamino laminarihexaose Vigna angularis ?
-
?

Subunits

Subunits Comment Organism
? x * 33000, SDS-PAGE Vigna angularis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Vigna angularis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8
-
-
Vigna angularis