carboxy-lyase activity threonine-phosphate decarboxylase activity https://github.com/geneontology/go-ontology/issues/30193 Catalysis of the reaction: O-phospho-L-threonine + H+ = (R)-1-aminopropan-2-yl phosphate + CO2. KEGG_REACTION:R06530 CobD molecular_function RHEA:11492 L-threonine O-3-phosphate carboxy-lyase activity GO:0048472 EC:4.1.1.81 L-threonine O-3-phosphate carboxy-lyase [(R)-1-aminopropan-2-yl-phosphate-forming] MetaCyc:4.1.1.81-RXN L-threonine-O-3-phosphate decarboxylase activity