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Literature summary for 2.4.1.43 extracted from

  • Doong, R.L.; Mohnen, D.
    Solubilization and characterization of a galacturonosyltransferase that synthesizes the pectic polysaccharide homogalacturonan (1998), Plant J., 13, 363-374.
No PubMed abstract available
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KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.037
-
 UDP-D-galacturonic acid solubilized enzyme Nicotiana tabacum

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane
-
 Nicotiana tabacum 16020
-

Organism

Organism UniProt Comment Textmining
Nicotiana tabacum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
solubilization from membranes with HEPES-buffer, pH 6.8, 40 mM CHAPS and 2 mM EDTA Nicotiana tabacum

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture
-
 Nicotiana tabacum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-D-galacturonic acid + (1,4-alpha-D-galacturonosyl)n acceptors are homogalacturonans with degrees of polymerization greater than 10, enzyme adds a single alpha-1,4-linked galacturonic acid residue onto homogalacturonan Nicotiana tabacum UDP + (1,4-alpha-D-galacturonosyl)n+1
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.3 7.8 solubilized enzyme Nicotiana tabacum