Aggregation-dissociation and stability of acid beta-galactosidase purified from porcine spleen.

Abstract

Sucrose gradient centrifugation of the monomeric form (A1) of porcine spleen beta-galactosidase showed a pH-dependent equilibrium between monomer at neutral pH (pH 7.0) and dimer at acidic pH (pH 5.4-3.0), independent of ionic strength. While the oligomeric form (Ao), which was hardly dissociated under physiological conditions, was dissociated only with… (More)

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