obsolete catabolism by symbiont of host cell wall pectin https://github.com/geneontology/go-ontology/issues/21469 true This term was obsoleted because it represents a molecular function. OBSOLETE. The chemical reactions and pathways performed by an organism resulting in the breakdown of pectin in the host cell wall. The host is defined as the larger of the organisms involved in a symbiotic interaction. biological_process catabolism by organism of host cell wall pectin GO:0052011