Abstract
Two-dimensional steady-state patterns of histones are here reported for the first time. The first dimension run consists in nonlinear immobilized pH gradients, spanning the pH 10–12 range. The second dimension run is a standard SDS-PAGE in a constant concentration (15% T) gel slab, in presence of a 6% T stacking gel. All the histone fractions analysed (II-AS, VI-S, VII-S and VIII-S) exhibit p I values between pH 11 and 12. The M r values range from 13 to 32 kDa, with the heaviest distribution around 18 kDa. When running all different histone fractions in a single mixture, and analysing the 2-D gel by computerized image data acquisition, a total of 35 individual spots is detected.
Published Version
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