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Literature summary extracted from

  • G๖tting, C.; Kuhn, J.; Zahn, R.; Brinkmann, T.; Kleesiek, K.
    Molecular cloning and expression of human UDP-D-xylose:proteoglycan core protein beta-D-xylosyltransferase and its first isoform XT-II (2000), J. Mol. Biol., 304, 517-528.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.4.2.26 DNA sequence determination and analysis of isoforms XT-I and XT-II, chromosome mapping Rattus norvegicus
2.4.2.26 DNA sequence determination and analysis, chromosome mapping, functional expression of isoforms XT-I and XT-II in CHO-K1 cells, no activity when XT-II is expressed fused to the aminoterminal peptide tag, 8% of the recombinant activity is located in the cytosol and membranes, 92% recombinant activity is secreted into the medium Homo sapiens

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.2.26 heparin
-
Homo sapiens

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.2.26 extracellular in cell culture supernatant Homo sapiens
-
-
2.4.2.26 extracellular isoform XT-I Homo sapiens
-
-
2.4.2.26 membrane isoform XT-II, type II transmembrane protein Homo sapiens 16020
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.2.26 91000
-
x * 91000, isoform XT-I, amino acid sequence determination Homo sapiens
2.4.2.26 97000
-
x * 97000, isoform XT-II, amino acid sequence determination Homo sapiens
2.4.2.26 120000
-
gel filtration, amino acid sequence determination Homo sapiens

Organism

EC Number Organism UniProt Comment Textmining
2.4.2.26 Homo sapiens
-
2 isoforms XT-I and XT-II
-
2.4.2.26 Rattus norvegicus
-
2 isoforms XT-I and XT-II
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
2.4.2.26 glycoprotein 3 potential N-glycosylation sites, isoforms XT-I and XT-II Homo sapiens

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.2.26 wild-type, and recombinant from CHO-K1 cells Homo sapiens

Reaction

EC Number Reaction Comment Organism Reaction ID
2.4.2.26 UDP-alpha-D-xylose + [protein]-L-serine = UDP + [protein]-3-O-(beta-D-xylosyl)-L-serine isoform XT-I contains the DxD motif at position 183, which has shown to be essential for binding of nucleotide sugars in glycosyltransferases Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.2.26 brain
-
Rattus norvegicus
-
2.4.2.26 brain low content of isoform XT-II, and very low content of isoform XT-I Homo sapiens
-
2.4.2.26 choriocarcinoma cell
-
Homo sapiens
-
2.4.2.26 heart
-
Rattus norvegicus
-
2.4.2.26 heart isoform XT-II, low content Homo sapiens
-
2.4.2.26 JAR cell choriocarcinoma cell line Homo sapiens
-
2.4.2.26 kidney
-
Rattus norvegicus
-
2.4.2.26 kidney isoforms XT-I and XT-II Homo sapiens
-
2.4.2.26 liver
-
Rattus norvegicus
-
2.4.2.26 liver isoform XT-II Homo sapiens
-
2.4.2.26 lung
-
Rattus norvegicus
-
2.4.2.26 lung isoform XT-II, and low content of isoform XT-I Homo sapiens
-
2.4.2.26 pancreas isoforms XT-I and XT-II Homo sapiens
-
2.4.2.26 placenta isoform XT-I and XT-II Homo sapiens
-
2.4.2.26 skeletal muscle isoform XT-II, low content Homo sapiens
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.2.26 UDP-alpha-D-xylose + [protein]-L-serine transfers a beta-D-xylosyl residue from UDP-D-xylose to the serine hydroxyl group of an acceptor protein substrate Homo sapiens UDP + [protein]-3-O-(beta-D-xylosyl)-L-serine
-
?
2.4.2.26 UDP-alpha-D-xylose + [protein]-L-serine transfers a beta-D-xylosyl residue from UDP-D-xylose to the serine hydroxyl group of an acceptor protein substrate Rattus norvegicus UDP + [protein]-3-O-(beta-D-xylosyl)-L-serine
-
?

Subunits

EC Number Subunits Comment Organism
2.4.2.26 ? x * 91000, isoform XT-I, amino acid sequence determination Homo sapiens
2.4.2.26 ? x * 97000, isoform XT-II, amino acid sequence determination Homo sapiens
2.4.2.26 monomer
-
Rattus norvegicus
2.4.2.26 monomer 1 * 120000, SDS-PAGE Homo sapiens

Synonyms

EC Number Synonyms Comment Organism
2.4.2.26 XT
-
Rattus norvegicus
2.4.2.26 XT 2 isoforms XT-I and XT-II Homo sapiens