aldehyde-lyase activity indole-3-glycerol-phosphate lyase activity https://github.com/geneontology/go-ontology/issues/30193 tryptophan synthase alpha activity MetaCyc:RXN0-2381 BX1 tryptophan synthase alpha subunit activity indole-3-glycerol phosphate lyase activity EC:4.1.2.8 KEGG_REACTION:R02340 indole-3-glycerolphosphate D-glyceraldehyde-3-phosphate-lyase activity (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate D-glyceraldehyde-3-phosphate-lyase (indole-forming) activity TSA IGL indoleglycerolphosphate aldolase activity Catalysis of the reaction: (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate = indole + D-glyceraldehyde 3-phosphate. molecular_function GO:0033984 indole synthase activity indole glycerol phosphate hydrolase activity (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate D-glyceraldehyde-3-phosphate-lyase activity RHEA:14081