PSF3 is an alias for the gene, GINS complex subunit 3 (Psf3 homolog), in humans. Other names include: DNA replication complex GINS protein PSF3; GINS complex subunit 3. The encoded protein has an amino acid length of 216 and a mass of 24.5 kDa. Other isoforms may exist. PSF3 is a member of the GINS3/PSF3 family. This gene shares homology with other species, including: Zebrafish.