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Literature summary for 3.2.1.55 extracted from

  • Bourgois, T.M.; Van Craeyveld, V.; Van Campenhout, S.; Courtin, C.M.; Delcour, J.A.; Robben, J.; Volckaert, G.
    Recombinant expression and characterization of XynD from Bacillus subtilis subsp. subtilis ATCC 6051: a GH 43 arabinoxylan arabinofuranohydrolase (2007), Appl. Microbiol. Biotechnol., 75, 1309-1317.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
xynD is isolated from genomic DNA of Bacillus subtilis subsp. subtilis ATCC 6051 and cloned for cytoplasmatic expression in Escherichia coli Bacillus subtilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52200
-
MALDI-TOF-MS Bacillus subtilis

Organism

Organism UniProt Comment Textmining
Bacillus subtilis Q45071 subsp. subtilis ATCC 6051
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Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
arabinoxylan polymer + H2O
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Bacillus subtilis alpha-L-arabinose + ?
-
?
arabinoxylo-oligosaccharide + H2O
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Bacillus subtilis alpha-L-arabinose + ?
-
?
additional information XynD specifically releases arabinofuranosyl groups from mono-substituted C-(O)-2 and C-(O)-3 xylopyranosyl residues on the xylan backbone. XynD does not display endoxylanase, xylosidase or arabinanase activity and is inactive on arabinan Bacillus subtilis ?
-
?
p-nitrophenyl-alpha-L-arabinofuranoside + H2O
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Bacillus subtilis p-nitrophenol + L-arabinofuranose
-
?

Synonyms

Synonyms Comment Organism
XynD
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Bacillus subtilis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
substrate: p-nitrophenyl-alpha-L-arabinofuranoside Bacillus subtilis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 50 30°C: about 60% of maximal activity, 50°C: about 60% of maximal activity Bacillus subtilis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4 45 40 min, stable Bacillus subtilis
60
-
40 min, complete and irreversible inactivation Bacillus subtilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.6
-
substrate: p-nitrophenyl-alpha-L-arabinofuranoside Bacillus subtilis

pH Range

pH Minimum pH Maximum Comment Organism
5 6 pH 5.0: about 20% of maximal activity, pH 6.0: about 80% of maximal activity Bacillus subtilis

pI Value

Organism Comment pI Value Maximum pI Value
Bacillus subtilis isoelectric focusing revealed a pI to be at least 9.3
-
additional information