Ready-to-use ELISA kits are available for the detection of KOC1, an alias of the protein, insulin like growth factor 2 mRNA binding protein 3. The official gene symbol is IGF2BP3. The protein, with a mass of 63.7 kDa and length of 579 residues, is reported to be cytoplasmic and nuclear. It is a member of the RRM IMP/VICKZ family and may be known by other names, including: IMP-3, CT98, VICKZ family member 3, KH domain containing protein overexpressed in cancer, IGF2 mRNA-binding protein 3, and IGF-II mRNA-binding protein 3, and KOC1.