Ready-to-use ELISA kits are available for the detection of t-complex-associated testis expressed 1, an alias of the protein, t-complex-associated-testis-expressed 1. The official gene symbol is TCTE1. The protein, with a mass of 55.6 kDa and length of 501 residues, is reported to be cytoplasmic. It is a member of the DRC5 family and may be known by other names, including: FAP155, D6S46, tcte-1, T-complex-associated testis-expressed protein 1, and dynein regulatory complex subunit 5.