. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "2abb_human"^^ . "PP2A subunit B isoform B55-beta"^^ . "PP2A subunit B isoform beta"^^ . "PP2A subunit B isoform R2-beta"^^ . "PP2A subunit B isoform PR55-beta"^^ . "PPP2R2B"^^ . . . . . "Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform"^^ .