The function of BAIAP2L1 (BAR/IMD domain containing adaptor protein 2 like 1, Ensembl gene identifier ENSG00000006453) is as follows. May function as adapter protein. Involved in the formation of clusters of actin bundles. Plays a role in the reorganization of the actin cytoskeleton in response to bacterial infection. {ECO:0000269|PubMed:17430976, ECO:0000269|PubMed:19366662, ECO:0000269|PubMed:22921828}.