peptidyltransferase activity https://github.com/geneontology/go-ontology/issues/22192 https://github.com/geneontology/go-ontology/issues/25493 EC:2.3.2.12 MetaCyc:PEPTIDYLTRANSFERASE-RXN Reactome:R-HSA-156912 GO:0000048 Catalysis of the reaction: peptidyl-tRNA(1) + aminoacyl-tRNA(2) = tRNA(1) + peptidylaminoacyl-tRNA(2). This reaction is catalyzed by a ribozyme. aminoacyltransferase activity catalytic activity, acting on a protein catalytic activity, acting on a tRNA