Trichoderma spp. | Name of enzyme; form; expression level | Mw (kDa) | Optimal pH; optimal temperature | pH tolerance; temperature tolerance (% activity remained) | Specify activityb (U mg−1 min−1); purification folds | Kmb | Refs. |
---|---|---|---|---|---|---|---|
T. virens strain mango | TvmNAG2; native; 5.4 U/ml | ~ 68 | pH 5 (pH 5–6, > 90% activity); 60–65 °C | pH 4–9 at 25 °C for 60 min (≧80%); 60 °C at pH 7 for 120 min (~ 85%) | 10,698.3; 38.8 | 0.45 mM | In this study |
T. reesei RutC30ΔU3 | Nag1; Recombinant; 499.85 U/ml | ~ 80 | pH 4 (pH 3.5–6, > 60% activity); 60 °C | pH 4–6 for 60 min (≧80%); 60 °C for 120 min (~ 80%), 60 °C for 8 h (~ 60%) | 319.89 | 69.41 ± 4 M | (Chen et al. 2015) |
T. harzianum 1051/ NAGase | NAGase | 36 | pH 4; 37 °C | nd; 50 °C at pH 4 for 60 min ~ 50% | nd | 8.06 mM | (De Marco et al. 2004) |
T. harzianum Strain 39.1 | NAGase; native | 64, 118a | pH 5.6; 50 °C | nd | nd | 1.27 µmol | (Ulhoa et al. 2001) |
T. harzianum T198 | Exochitinase; native | 27.5 ~ 28 | pH 3.5; 50 °C | pH 2–8 at 37 °C for 60 min (≧50%); 60 °C at pH 5.5 for 60 min (33%) | nd | 850 µM c | (Deane et al. 1998) |
T. harzianum P1 | Nag1; native | 72 | nd | nd | 11.8bd; 9 | nd | (Lorito et al. 1994) |
T. harzianum AF6-T8 | NAGase; native; 3.1 U/ml | ~ 69, 150a | pH 4–5.5; 50 °C | pH 3–6 at 37 °C for 60 min (≧80%); 65 °C at pH 5.2 for 30 min (~ 50%) | 102; 13.2 | 0.24 mM | (Koga et al. 1991) |