title: Radioimmunoassay for detecting Pro-Leu-enkephalins in tissue extracts: purification and identification of [Arg6]-Leu-enkephalin in porcine pituitary.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D004723:Endorphins / Q000032:analysis*; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives*; D004745:Enkephalins / Q000032:analysis* / Q000276:immunology / Q000302:isolation & purification; D010902:Pituitary Gland / Q000032:analysis*; D011498:Protein Precursors / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods; D013552:Swine; D014020:Tissue Extracts / Q000032:analysis*
chemical_list: D000596:Amino Acids; D004723:Endorphins; D004745:Enkephalins; D011498:Protein Precursors; D014020:Tissue Extracts; C026769:pro-enkephalin-Leu; D004743:Enkephalin, Leucine; C026768:enkephalin-Leu, Arg(6)-