Ready-to-use ELISA kits are available for the detection of Eif2s3x, an alias of the protein, eukaryotic translation initiation factor 2 subunit gamma. The official gene symbol is EIF2S3. The protein has a mass of 51.1 kDa and length of 472 residues. It is a member of the TRAFAC class translation factor GTPase superfamily, Classic translation factor GTPase family, EIF2G subfamily and may be known by other names, including: EIF2gamma, EIF2G, eukaryotic translation initiation factor 2 subunit gamma X, eIF-2gX, eIF-2-gamma X, eukaryotic translation initiation factor 2 subunit 3, and MRXSBRK.