obsolete 4,9-DSHA hydrolase activity (obsolete GO:0034820)
OBSOLETE. Catalysis of the reaction: (3E,1Z)-4,5-9,10-diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate + H2O = (2E,4E)-2-hydroxyhexa-2,4-dienoate + 9,17-dioxo-1,2,3,4,10,19-hexanorandrostan-5-oate + H+.