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  • Title: Unusual denaturation properties of vicilin from Cajanus cajan.
    Author: Mawal YR, Mawal MR, Ranjekar PK.
    Journal: Biochem Biophys Res Commun; 1990 Feb 14; 166(3):1446-52. PubMed ID: 2306256.
    Abstract:
    Pigeonpea (Cajanus cajan) vicilin (Mr 190 kD) holoprotein contains 2 subunits and the N-terminal amino acid sequence is Gly-Ala-Arg-Val-Asp-Gln-Glu for purified vicilin subunit 1 (Mr 72 kD) and Thr-Thr-Cys-Met-Glu-Ser-Gly for purified vicilin subunit 2 (Mr 57 kD). Circular dichroism spectra of vicilin indicate the occurrence of a predominant beta- pleated sheet structure. The fluorescence studies of vicilin reveal its unusual stability to 8 M urea and 6 M guanidine HCl.
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