carboxy-lyase activity 3-dehydro-L-gulonate-6-phosphate decarboxylase activity https://github.com/geneontology/go-ontology/issues/30193 EC:4.1.1.85 3-dehydro-L-gulonate-6-phosphate carboxy-lyase (L-xylulose-5-phosphate-forming) activity SgaH UlaD 3-keto-L-gulonate 6-phosphate decarboxylase activity SgbH 3-dehydro-L-gulonate-6-phosphate carboxy-lyase activity KGPDC RHEA:14353 GO:0033982 MetaCyc:RXN0-705 Catalysis of the reaction: 3-dehydro-L-gulonate 6-phosphate + H+ = L-xylulose 5-phosphate + CO2. KEGG_REACTION:R07125 molecular_function