Ready-to-use ELISA kits are available for the detection of CER2, an alias of the protein, DAN domain BMP antagonist family member 5. The official gene symbol is DAND5. The protein, with a mass of 20.2 kDa and length of 189 residues, is reported to be secreted. It is a member of the DAN family and may be known by other names, including: cerl-2, cerberus-like protein 2, cerberus 2, DAN domain family member 5, DAN domain family member 5 BMP antagonist, and DAN domain family member 5, and gremlin-3.