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Table 3 Characteristics of endo-arabinanases from T. thermarum DSM 5069 and other microorganisms

From: Expression and characterization of a GH43 endo-arabinanase from Thermotoga thermarum

Strain K m (mg ml−1) V max (μmol ml−1 min−1) k cat (s−1) k cat /K m (ml mg−1 s−1) Optimal temp (°C) Reference
Thermotoga thermarum a12.3 ± 0.15 b3.3 ± 0.12 c28.6 ± 0.88 a1,052.1 ± 12.7 b510.9 ± 17.5 c164.0 ± 4.6 a349.3 ± 4.2 b169.6 ± 5.9 c54.4 ± 1.6 a28.4 ± 0.4 b51.4 ± 0.1 c1.9 ± 0.0 75 This study
Caldicellulosiruptor saccharolyticus b18.1 ND b49.8 b2.8 75 [3]
Bacillus licheniformis b19 ± 0.2 ND b161 ± 1.2 b8.47 ± 0.16 35 [5]
Bacillus subtilis a2.0 ± 0.24 a,d250 ± 1.2 ND ND 50 [20]
Thermotoga petrophila b19.9 ± 4.7 b478.2 ± 63.6 ND ND 73 [1]
Aspergillus aculeatus b66 11 ND ND 50 [16]
  1. ND: not determined. Data were carried out with linear arabinan (a), debranched arabinan (b), or sugar beet arabinan (c) as substrate. Values shown were the mean of triplicate experiments, and the variation about the mean was below 5%. d: μmol mg−1 min−1.