SERINE/THREONINE PROTEIN PHOSPHATASE 2A, 72/130 KDA REGULATORY SUBUNIT B (PP2A, SUBUNIT B, B-PR72/PR130) (PP2A, SUBUNIT B, B72/B130 ISOFORMS) (PP2A, SUBUNIT B, PR72/PR130 ISOFORMS) (PP2A, SUBUNIT B, R3 ISOFORM). [Source:SWISSPROT;Acc:Q06190]