PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3516761-1 1986 Filaggrin is a specific epidermal protein which is the precursor of the free amino acids, urocanic acid and pyrrolidone carboxylic acid which are largely responsible for the ability of the stratum corneum of the skin to remain hydrated at low environmental humidity. Pyrrolidonecarboxylic Acid 108-135 filaggrin Rattus norvegicus 0-9