Anti-KRTAP10-3 antibodies are used in the immunodetection of the protein keratin associated protein 10-3. In humans, the canonical protein has a reported length of 221 amino acid residues and a mass of 22.3 kDa. It is a member of the KRTAP type 10 protein family. Synonyms for this target antigen include keratin-associated protein 18-3, keratin-associated protein 18.3, and high sulfur keratin-associated protein 10.3.