This family consists of several Enterobacterial periplasmic pectate lyase proteins (EC:4.2.2.2). A major virulence determinant of the plant-pathogenic enterobacterium Erwinia chrysanthemi is the production of pectate lyase enzymes that degrade plant cell walls [1].

1: Coupling of iron assimilation and pectinolysis in Erwinia chrysanthemi 3937. Franza T, Michaud-Soret I, Piquerel P, Expert D; Mol Plant Microbe Interact 2002;15:1181-1191. PMID:12423024

2: Molecular cloning and sequencing of a pectate lyase gene from Yersinia pseudotuberculosis. Manulis S, Kobayashi DY, Keen NT; J Bacteriol 1988;170:1825-1830. PMID:2832382

3: The Refined Three-Dimensional Structure of Pectate Lyase E from Erwinia chrysanthemi at 2.2 A Resolution. Lietzke SE, Scavetta RD, Yoder MD, Jurnak F; Plant Physiol 1996;111:73-92. PMID:12226275