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Pectate disaccharide-lyase

The enzyme pectate disaccharide-lyase () catalyzes the following process:

(1,4-α-<small>D</small>-galacturonosyl)<sub>n</sub> = (1,4-α-<small>D</small>-galacturonosyl)<sub>n–2</sub> + 4-(4-deoxy-α-<small>D</small>-galact-4-enuronosyl)-<small>D</small>-galacturonate

This enzyme belongs to the family of lyases, specifically those carbon-oxygen lyases acting on polysaccharides. The systematic name of this enzyme class is (1→4)-alpha-D-galacturonan reducing-end-disaccharide-lyase. Other names in common use include pectate exo-lyase, exopectic acid transeliminase, exopectate lyase, exopolygalacturonic acid-trans-eliminase, PATE, exo-PATE, and exo-PGL.

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