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