... ±Birkprotease inhibitors [5], metallothioneins [6], prothymosina [7], a bacterial ®bronectin-binding protein [8], the brainprotein a-synuclein together with the related proteinsb-synuclein and c-synuclein ... structures of the caseins,synucleins and tau may be envisaged as more open,hydrated, longer-chain (and nonglobular) versions of the structure of the Bowman±Birk inhibitor in Fig. 6 . The X-ray crystal ... 1320 cm)1to PPII structure relies mainly on the evidence outlined above. In view of the c lose similarity of the ROA spectra of the casein, synuclein and tau proteins shown in t his paper, wehave...