Anti-Ribonuclease 4 antibodies are used in antigen-specific immunodetection in biological samples. The target Ribonuclease 4 is a known alias name of the protein ribonuclease A family member 4, encoded by the RNASE4 gene in humans. This 147-amino acid residue protein is a member of the Pancreatic ribonuclease protein family. The protein is secreted and features post-translational modifications. Other synonyms for Ribonuclease 4 include RAB1, RNS4, and ribonuclease 4.