Pectinolytic enzymes | CAZy family | Predominant activity | This study | RSAa | EMSD5b | |
---|---|---|---|---|---|---|
Depolymerizing enzymes | Glycoside hydrolases (GHs) | GH4 | Exo-polygalacturonase (EC 3.2.1.67) | 14 | 21 | 24 |
GH28 | Polygalacturonase (EC 3.2.1.15); exo-polygalacturonase (EC 3.2.1.67); exo-polygalacturonosidase (EC 3.2.1.82); rhamnogalacturonase (EC 3.2.1.171); rhamnogalacturonan α-1,2-galacturonohydrolase (EC 3.2.1.173); rhamnogalacturonan α-l-rhamnopyranohydrolase (EC 3.2.1.174) | 32 | 11 | 3 | ||
Polysaccharide lyases (PLs) | PL1 | Pectate lyase (EC 4.2.2.2); exo-pectate lyase (EC 4.2.2.9); pectin lyase (EC 4.2.2.10) | 30 | 8 | 4 | |
PL3 | Pectate lyase (EC 4.2.2.2) | 2 | 4 | 0 | ||
PL4 | Rhamnogalacturonan lyase (EC 4.2.2.-) | 0 | 0 | 1 | ||
PL9 | Pectate lyase (EC 4.2.2.2); exopolygalacturonate lyase (EC 4.2.2.9) | 12 | 15 | 4 | ||
PL10 | pectate lyase (EC 4.2.2.2) | 13 | 8 | 0 | ||
PL11 | Rhamnogalacturonan endolyase (EC 4.2.2.23); rhamnogalacturonan exolyase (EC 4.2.2.24) | 18 | 10 | 1 | ||
PL22 | Oligogalacturonate lyase/oligogalacturonide lyase (EC 4.2.2.6, 9) | 30 | 21 | 12 | ||
Pectinesterases | Carbohydrate esterases (CEs) | CE1 | Feruloyl esterase (EC 3.1.1.73) | 482 | 223 | 82 |
CE8 | Pectin methylesterase (EC 3.1.1.11) | 17 | 8 | 6 | ||
CE12 | Pectin acetylesterase (EC 3.1.1.6); rhamnogalacturonan acetylesterase (EC 3.1.1.86) | 34 | 4 | 8 | ||
CE13 | Pectin acetylesterase (EC 3.1.1.6) | 2 | 0 | 0 | ||
CE16 | Pectin acetylesterase (EC 3.1.1.6) | 4 | 0 | 0 | ||
De-branching enzymes | Glycoside hydrolases (GHs) | GH1 | β-Glucosidase (EC 3.2.1.23) | 60 | 63 | 44 |
GH2 | β-Glucosidase (EC 3.2.1.23); α-L-arabinofuranosidase (EC 3.2.1.55) | 76 | 27 | 19 | ||
GH3 | β-Glucosidase (EC 3.2.1.23); α-l-arabinofuranosidase (EC 3.2.1.55) | 143 | 83 | 32 | ||
GH10 | Endo-1,4-β-xylanase (EC 3.2.1.8); endo-1,3-β-xylanase (EC 3.2.1.32) | 50 | 37 | 6 | ||
GH35 | β-Glucosidase (EC 3.2.1.23) | 9 | 7 | 1 | ||
GH42 | β-Glucosidase (EC 3.2.1.23) | 33 | 14 | 9 | ||
GH43 | α-l-Arabinofuranosidase (EC 3.2.1.55); arabinanase (EC 3.2.1.99) | 205 | 51 | 33 | ||
GH51 | α-l-Arabinofuranosidase (EC 3.2.1.55) | 40 | 24 | 4 | ||
GH53 | Arabinogalactanase (EC 3.2.1.89) | 8 | 6 | 6 | ||
GH59 | β-Glucosidases (EC 3.2.1.23) | 2 | 2 | 0 | ||
GH62 | α-l-Arabinofuranosidase (EC 3.2.1.55) | 2 | 6 | 0 | ||
GH78 | α-l-Rhamnosidase (EC 3.2.1.40) | 92 | 39 | 8 | ||
GH105 | Unsaturated rhamnogalacturonyl hydrolase (EC 3.2.1.172) | 35 | 4 | 5 | ||
GH106 | α-l-Rhamnosidase (EC 3.2.1.40) | 30 | 6 | 3 | ||
GH127 | β-l-Arabinofuranosidase (EC 3.2.1.185) | 51 | 17 | 11 | ||
Carbohydrate-binding modules (CBMs) | CBM13 | Arabinanase (GH43D;RUM_09280); feruloyl esterase I (FaeI;CGSCsYakCAS_18248); pectate lyase B (PelB) | 25 | 14 | 24 | |
CBM32 | Binding to galactose, lactose, polygalacturonic acid and LacNAc | 137 | 63 | 23 | ||
CBM35 | Arabinanase; feruloyl esterase D (Fae1;XylD;XynD;CJA_3282); pectate lyase (PelA;CJA_3104) | 27 | 17 | 10 | ||
CBM61 | Modules of approx. 150 residues found appended to GH43, GH53 catalytic domains | 3 | 3 | 2 | ||
CBM66 | Pectate lyase (PecB;Athe_1854;Cbes_1854;Cbes1854) | 63 | 27 | 13 | ||
Total | Families | 33 | 31 | 28 | ||
ORFs | 1756 | 843 | 398 |