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