title: Characterization and partial purification of a 5,700 dalton form of substance P-like immunoreactivity from the rat hypothalamus.
abstract: Analysis of rat hypothalamic extracts by gel filtration and HPLC revealed the presence of a form of substance P-like immunoreactivity with a molecular weight of approximately 5,700 (6k-SP). 6k-SP is probably an N-terminally extended form of substance P; the peptide may be an intermediate in SP biosynthesis, or may function as a biologically active peptide in its own right.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid; D000939:Epitopes / Q000032:analysis; D007031:Hypothalamus / Q000032:analysis*; D008297:Male; D008970:Molecular Weight; D011863:Radioimmunoassay; D051381:Rats; D011919:Rats, Inbred Strains; D013373:Substance P / Q000031:analogs & derivatives* / Q000276:immunology
chemical_list: D000939:Epitopes; D013373:Substance P