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Table 3 Comparison of properties between C. lactoaceticus Xyn10B truncated variants and other thermophilic xylanases

From: The extracellular endo-β-1,4-xylanase with multidomain from the extreme thermophile Caldicellulosiruptor lactoaceticus is specific for insoluble xylan degradation

Xylanases from microorganism Domaina Mw
(kDa)b
Topt
(°C)
pHopt Specific activity (IU/μmol) References
BWX OSX
C. lactoaceticus Xyn10B-TM1 A1-A2-A3-B 91.0 65 6.0 944.3 ± 16.5 5371.5 ± 281.1 This study
Xyn10B-TM2 A3-B 57.5 65 6.0 648.9 ± 10.3 3720.4 ± 217.8 This study
Xyn10B-TM3 A3-B-C1 73.6 65 6.5 457.5 ± 5.5 1106.1 ± 65.0 This study
Xyn10B-TM4 B 39.3 65 6.5 284.0 ± 15.5 225.4 ± 31.8 This study
Thermoanaerobacterium aotearoense SCUT27 XynAΔSLH A1-A2-B-C1-C2 113 80 6.5 42,917.4 ± 361.6 24159.4 ± 180.8 [20]
T. saccharolyticum NTOU1 XynA A1-A2-B-C1-C2-D1-D2-D3 154 72 5.5 66836.0 ± 2464 22022.0 ± 1078.0 [34]
Alkaline wastewater sludge Xyn-b39 A1-A2-B-C1-D1-D2-D3 160 60 7.0 6588.8 ± 384 2464.0 ± 272 [35]
Thermotoga thermarum Xyn10A A1-A2-A3-B-C1-C2 131 95 7.0 19101.11 NA [36]
T. saccharolyticum B6A-RI XynA A1-A2-B-C1-C2 130 70 5.5 NA 29562 [37]
Bacillus sp. BP-23 xylanase C A1-A2-B-C1-C2 120.6 45 5.0 NA 12.06 [38]
T. neapolitana XynA A1-A2-B-C1-C2 116 102 5.5 NA 12910.8 [39]
  1. Xyn Xylanase, Mw molecular weight, Topt optimum temperature, pHopt optimum pH, BWX beech wood xylan, OSX oat spelt xylan, NA not available
  2. aA1, A2, A3, B, C1, C2, D1, D2 represents the N and/or C-terminal domains, A1, A2, A3: N-terminal family 22 CBM; B: catalytic domain; C1, C2: C-terminal family 9 CBM; D1, D2, D3: C-terminal SLH
  3. bValue by SDS-PAGE