text_1: The H2A-H2B eviction defect is compensated for by other histone chaperone(s).
text_2: Spt16 and Pob3 bind overlapping sites on H2A-H2B, and Spt16-Pob3 heterodimers simultaneously bind two H2A-H2B dimers, the same stoichiometry as the components of a nucleosome.