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