prot_seq: M Q K L L L A V L F F S L L A V A T A R P K Y H K Q G R R K G D A C R L N C I F D N V V C E I P C K L L F R S R S K Y I D C V L P C R R D R V D C Y I H C N H F D A T P K T E A E P G S L D K G E G T K G E K G K E G K K E K G E Y A I G N A E S G N G S S G G S N K T H D D D D D D R D D V H E N D D E N E D