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Literature summary for 3.2.1.55 extracted from

  • Bouraoui, H.; Desrousseaux, M.L.; Ioannou, E.; Alvira, P.; Manai, M.; Remond, C.; Dumon, C.; Fernandez-Fuentes, N.; ODonohue, M.J.
    The GH51 alpha-L-arabinofuranosidase from Paenibacillus sp. THS1 is multifunctional, hydrolyzing main-chain and side-chain glycosidic bonds in heteroxylans (2016), Biotechnol. Biofuels, 9, 140.
    View publication on PubMedView publication on EuropePMC

Protein Variants

Protein Variants Comment Organism
E296A about 1600fold decrease in activity with substrate 4-nitrophenyl alpha-L-arabinofuranoside Paenibacillus sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.31
-
4-nitrophenyl alpha-L-arabinofuranoside pH 6.5, 60°C Paenibacillus sp.
8.6
-
4-nitrophenyl beta-D-galactofuranoside pH 6.5, 60°C Paenibacillus sp.
23.8
-
4-nitrophenyl beta-D-xylopyranoside pH 6.5, 60°C Paenibacillus sp.

Organism

Organism UniProt Comment Textmining
Paenibacillus sp. AM283040
-
-
Paenibacillus sp. THS1 AM283040
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
10.8
-
substrate birchwood 4-O-methylglucuronoxylan, pH 6.5, 60°C Paenibacillus sp.
14.4
-
substrate beechwood 4-O-methylglucuronoxylan, pH 6.5, 60°C Paenibacillus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl + H2O
-
Paenibacillus sp. 4-nitrophenol + beta-D-xylopyranose
-
?
4-nitrophenyl + H2O
-
Paenibacillus sp. THS1 4-nitrophenol + beta-D-xylopyranose
-
?
4-nitrophenyl alpha-L-arabinofuranoside + H2O
-
Paenibacillus sp. 4-nitrophenol + L-arabinofuranose
-
?
4-nitrophenyl alpha-L-arabinofuranoside + H2O
-
Paenibacillus sp. THS1 4-nitrophenol + L-arabinofuranose
-
?
4-nitrophenyl beta-D-galactofuranoside + H2O
-
Paenibacillus sp. 4-nitrophenol + beta-D-galactofuranose
-
?
4-nitrophenyl beta-D-galactofuranoside + H2O
-
Paenibacillus sp. THS1 4-nitrophenol + beta-D-galactofuranose
-
?
4-nitrophenyl beta-D-xylopyranoside
-
Paenibacillus sp. 4-nitrophenol + D-xylopyranose
-
?
4-nitrophenyl beta-D-xylopyranoside
-
Paenibacillus sp. THS1 4-nitrophenol + D-xylopyranose
-
?
beechwood 4-O-methylglucuronoxylan + H2O
-
Paenibacillus sp. ?
-
?
birchwood 4-O-methylglucuronoxylan + H2O
-
Paenibacillus sp. ?
-
?
additional information the enzyme additionally displays endo-xylanase activity, cleaving beta-1,4 bonds in heteroxylans Paenibacillus sp. ?
-
?
additional information the enzyme additionally displays endo-xylanase activity, cleaving beta-1,4 bonds in heteroxylans Paenibacillus sp. THS1 ?
-
?

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
75
-
active up to Paenibacillus sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable up to Paenibacillus sp.

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
10.6
-
4-nitrophenyl beta-D-xylopyranoside pH 6.5, 60°C Paenibacillus sp.
327
-
4-nitrophenyl beta-D-galactofuranoside pH 6.5, 60°C Paenibacillus sp.
328
-
4-nitrophenyl alpha-L-arabinofuranoside pH 6.5, 60°C Paenibacillus sp.

pH Range

pH Minimum pH Maximum Comment Organism
4 7
-
Paenibacillus sp.

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.44
-
4-nitrophenyl beta-D-xylopyranoside pH 6.5, 60°C Paenibacillus sp.
38
-
4-nitrophenyl beta-D-galactofuranoside pH 6.5, 60°C Paenibacillus sp.
1050
-
4-nitrophenyl alpha-L-arabinofuranoside pH 6.5, 60°C Paenibacillus sp.