tsg-101 encodes the C. elegans ortholog of S. cerevisiae vacuolar protein sorting protein Vps23p and human TUMOR SUSCEPTIBILITY GENE 101 (TSG101; OMIM:601387), mutations in which are associated with several types of cancer and with varying responses to HIV infection; TSG-101 is an essential component of the C. elegans ESCRT-1 (Endosomal Sorting Complex Required for Transport, other members include VPS-28, VPS-37, and MVB-12) that is required for cell surface receptor degradation via the multivesicular body sorting pathway and hence, downregulation of receptor activity.
Predicted to enable ubiquitin binding activity. Involved in endosome to lysosome transport via multivesicular body sorting pathway and receptor catabolic process. Located in endosome membrane. Part of ESCRT I complex. Expressed in head and tail. Human ortholog(s) of this gene implicated in breast carcinoma and reproductive organ cancer (multiple). Is an ortholog of human TSG101 (tumor susceptibility 101).
Map position created from combination of previous interpolated map position (based on known location of sequence) and allele information. Therefore this is not a genetic map position based on recombination frequencies or genetic experiments. This was done on advice of the CGC.