THOC1 encodes the human gene, THO complex 1. It may also be known as: THO complex subunit 1; Nuclear matrix protein p84; p84N5; hTREX84; Tho1; HPR1; P84. The encoded protein has an amino acid length of 657 and a mass of 75.7 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.