The function of ANKRA2 (ankyrin repeat family A member 2, ENSG00000164331) is as follows. May regulate the interaction between the 3M complex and the histone deacetylases HDAC4 and HDAC5 (PubMed:25752541). May also regulate LRP2/megalin (By similarity). {ECO:0000250|UniProtKB:A2ARV4, ECO:0000269|PubMed:25752541}.