Let's assume two single amino-acid variants of HbA have been discovered locally. Let's call them Hb-Calloway and Hb-Almo. Hb-Calloway: has Met at position 45 Hb-Almo: has Glu at position 45. Which variant has the higher isoelectric point (pl)? OHb-Almo Hb-Calloway

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