>tr|A0A2Y9T2J4|A0A2Y9T2J4_PHYMC 26S proteasome complex subunit SEM1 OS=Physeter macrocephalus GN=SEM1 MSEKKQPVDLGLLEEDDEFEEFPAEDWAGLDEDEDAHVWEDNWDDDNVEDDFSNQLRAEL EKHGYKMETS