Pleckstrin And Sec7 Domain Containing 3 is a human gene encoded by the symbol, PSD3. It may also be known as: PH and SEC7 domain-containing protein 3; Exchange factor for ADP-ribosylation factor guanine nucleotide factor 6; Hepatocellular carcinoma-associated antigen 67; Pleckstrin homology and SEC7 domain-containing protein 3; Epididymis tissue protein Li 20mP; EFA6D; EFA6R; HCA67. The encoded protein has an amino acid length of 1048 and a mass of 116.0 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Arabidopsis, Frog, Chicken.