>tr|A0A383ZSE8|A0A383ZSE8_BALAS 28S ribosomal protein S21, mitochondrial OS=Balaenoptera acutorostrata scammoni GN=MRPS21 MAKHLKFIARTVMVQEGNVEGAYRTLNRILTMDGLIEDIKRRRYYEKPCRRRQRESYETC RRIYNMEMARKINFLMRKNRADPWQGC