[The distribution of motor plates in the mimic muscles of the dog (Canis familiaris L.)].
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P Comoglio
Publications and source records attributed to P Comoglio.
Characterization of the detergent solubilized receptor for gastrin-releasing peptide.
Properties of detergent solubilized gastrin-releasing peptide receptor were investigated. Swiss 3T3 membranes were covalently labeled with [125I]GRP and homobifunctional cross-linkers. A major labeled protein of 75 kDa was resolved using SDS-polyacrylamide gel electrophoresis. When the same preparation was solubilized with zwitterionic detergent and analyzed under nondenaturing conditions the protein bound radioactivity was resolved in two different peaks, a major one of apparent molecular weight 220,000 (peak 1) and a minor one of 80,000 (peak 2) both containing the 75 kDa protein. Specific ligand binding activity also eluted with peak 1. These results indicate that the active form of bombesin/GRP receptor is a large complex containing the 75 kDa ligand binding domain.
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