SSY5 [YJL156C]
SPS-sensor serine protease component SSY5; Serine protease of SPS plasma membrane amino acid sensor system; contains an inhibitory domain that dissociates in response to extracellular amino acids, freeing a catalytic domain to activate transcription factor Stp1p; other members are Ssy1p and Ptr3p
Synonyms: SSY5, SSY5p, P47002, APF8, J0570 ...