(S)-hydroxynitrile lyase activity aliphatic (S)-hydroxynitrile lyase activity https://github.com/geneontology/go-ontology/issues/16166 GO:0052891 RHEA:77487 (S)-selective hydroxynitrile lyase activity RHEA:77483 RHEA:77407 RHEA:77527 RHEA:77403 RHEA:77523 (S)-cyanohydrin producing hydroxynitrile lyase activity RHEA:77399 (S)-hydroxynitrile lyase activity RHEA:77395 RHEA:77471 RHEA:77479 RHEA:56588 RHEA:77423 (S)-oxynitrilase activity RHEA:77419 Catalysis of the reaction: an aliphatic (S)-hydroxynitrile = an aliphatic aldehyde or ketone + cyanide. RHEA:56592 RHEA:77531 RHEA:77491 molecular_function RHEA:77415 RHEA:77411 MetaCyc:RXN-11731 (S)-cyanohydrin carbonyl-lyase (cyanide forming) activity