The function of ENSG00000109686 (SH3D19, SH3 domain containing 19) is as follows. May play a role in regulating A disintegrin and metalloproteases (ADAMs) in the signaling of EGFR-ligand shedding (PubMed:15280379). May be involved in suppression of Ras-induced cellular transformation and Ras-mediated activation of ELK1 (PubMed:14551139). Required for regulation of cell morphology and cytoskeletal organization (PubMed:21834987). {ECO:0000269|PubMed:14551139, ECO:0000269|PubMed:15280379, ECO:0000269|PubMed:21834987}.