The function of TEX13A (testis expressed 13A, ENSG00000268629) is as follows. Binds to ssRNA containing the consensus sequence 5'-AGGUAA-3' (PubMed:21256132). Plays a role in transcriptional repression (By similarity). Required for rapid sperm motility and timely degradation of mRNA via its interaction with CNOT1 (By similarity). .