Exosome component 3 is a human gene encoded by the symbol, EXOSC3. It may also be known as: Exosome complex component RRP40; Ribosomal RNA-processing protein 40; p10; exosome component Rrp40; CGI-102 protein; CGI-102; PCH1B; RRP40; Rrp40p; bA3J10.7; hRrp-40. The encoded protein has an amino acid length of 275 and a mass of 29.6 kDa. Exosome component 3 is a member of the RRP40 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.