obsolete catabolism by host of symbiont cell wall pectin https://github.com/geneontology/go-ontology/issues/21396 true OBSOLETE. The chemical reactions and pathways performed by an organism resulting in the breakdown of pectin in the symbiont cell wall. The symbiont is defined as the smaller of the organisms involved in a symbiotic interaction. biological_process GO:0052357 This term was obsoleted because there is no evidence it exists.