Pectate trisaccharide-lyase

Pectate trisaccharide-lyase (EC 4.2.2.22, exopectate-lyase, pectate lyase A, PelA) is an enzyme with systematic name (1→4)-α-D-galacturonan reducing-end-trisaccharide-lyase.^[1][2][3] This enzyme catalyses the following chemical reaction:

eliminative cleavage of unsaturated trigalacturonate as the major product from the reducing end of polygalacturonic acid/pectate

Pectate trisaccharide-lyase
Identifiers
EC no.	4.2.2.22
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles NCBI proteins

The predominant action of this enzyme is removal of a trisaccharide.