The function of Ensembl gene identifier ENSG00000123144 (TRIR, telomerase RNA component interacting RNase) is as follows. Exoribonuclease that is part of the telomerase RNA 3' end processing complex and which has the ability to cleave all four unpaired RNA nucleotides from the 5' end or 3' end with higher efficiency for purine bases (PubMed:28322335). .