>5sva_W mol:protein length:140 Mediator of RNA polymerase II transcription subunit 21 MTDRLTQLQICLDQMTEQFCATLNYIDKNHGFERLTVNEPQMSDKHATVVPPEEFSNTI DELSTDIILKTRQINKLIDSLPGVDVSAEEQLRKIDMLQKKLVEVEDEKIEAIKKKEKL LRHVDSLIEDFVDGIANSKKST