code: def effect_associated_with_protein_coding_transcript(effect):
      
      return apply_to_transcript_if_exists(
          effect=effect,
          fn=lambda t: t.biotype == "protein_coding",
          default=False)
docs: Parameters
      ----------
      effect : subclass of MutationEffect
  
      Returns True if effect is associated with a transcript and that transcript
      has a protein_coding biotype.