title: The signal peptide and its role in membrane penetration.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001693:Biological Transport, Active; D004285:Dogs; D004721:Endoplasmic Reticulum / Q000378:metabolism; D004765:Enteropeptidase / Q000378:metabolism; D008565:Membrane Proteins / Q000378:metabolism; D008861:Microsomes / Q000378:metabolism; D010447:Peptide Hydrolases / Q000378:metabolism; D010455:Peptides / Q000378:metabolism; D014176:Protein Biosynthesis; D011487:Protein Conformation; D011506:Proteins / Q000378:metabolism*; D014362:Trypsinogen / Q000378:metabolism
chemical_list: D008565:Membrane Proteins; D010455:Peptides; D011506:Proteins; D014362:Trypsinogen; D010447:Peptide Hydrolases; D004765:Enteropeptidase