GAS41 is an alias for the gene, YEATS domain containing 4, in humans. Other names include: YEATS domain-containing protein 4; NuMA-binding protein 1; NuBI-1; NuBI1; Glioma-amplified sequence 41; Gas41; 4930573H17Rik; B230215M10Rik; YAF9. The encoded protein has an amino acid length of 227 and a mass of 26.5 kDa. Other isoforms may exist. This gene shares homology with other species, including: Fly, Arabidopsis.