Isolation of a low molecular mass vasoactive intestinal peptide binding protein.

作者: C.H. Brugger , D. Stallwood , S. Paul

DOI: 10.1016/S0021-9258(18)55278-9

关键词: Vasoactive intestinal peptideBiologyHigh-performance liquid chromatographyMolecular massGel electrophoresisSize-exclusion chromatographyProtein purificationBinding proteinBiochemistryChromatographyAffinity chromatography

摘要: A vasoactive intestinal peptide (VIP) binding protein was purified in active form by detergent solubilization of lung membranes, gel filtration, VIP-Sepharose affinity chromatography, reverse phase high performance liquid and anion exchange chromatography. The mass this estimated at 18 kDa sodium dodecyl sulfate-polyacrylamide electrophoresis 17 filtration. VIP inhibited Mg2+, covalent cross-linking [Tyr10-125I]VIP to the produced two radioactive bands 22 26 identified electrophoresis, exhibited saturable related neuropeptide, rat growth hormone releasing factor.

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