Table 5 Distribution of pectin-degrading CAZymes among different classes of glycoside hydrolases, auxiliary activity and carbohydrate-binding modules
CAZymes involved in pectin degradation | |
|---|---|
Polygalacturonase; exo-polygalacturonase; exo-poly-galacturonosidase; rhamnogalacturonase; rhamnogalacturonan α-1,2-galacturonohydrolase | GH28 |
α-l-Rhamnosidase | GH28; GH33; GH78; GH106 |
Exo-polygalacturonase | GH4 |
Rhamnogalacturonan α-l-rhamnohydrolase | GH78; GH106 |
α-l-Arabinofuranosidase | GH2; GH3; GH10; GH43; GH51; GH54; GH62 |
Exo-α-l-1,5-arabinanase | GH93 |
β-Galactosidase | GH1; GH2; GH3; GH35; GH39; GH42; GH50; GH59; GH147 |
Pectate lyase | PL1; PL2; PL3; PL9; PL10 |
Exo-pectate lyase | PL1; PL2; PL9 |
Pectin lyase | PL1 |
Rhamnogalacturonan endolyase | PL4; PL9; PL11 |
Rhamnogalacturonan exolyase | PL11; PL26 |
Oligogalacturonate lyase | PL22 |
Pectin methylesterase | CE8 |
Pectin acetylesterase; rhamnogalacturonan acetylesterase | CE12 |
Pectin acetylesterase | CE13 |
Acetylesterase | CE6 |
Pectin-binding modules | CBM41; CBM77 |
Galactan-binding modules | CBM13; CBM32; CBM51; CBM61; CBM80 |
l-Rhamnose-binding modules | CBM67 |
Arabinogalactan-binding modules | CBM62 |