Ready-to-use ELISA kits are available for the detection of mesoderm posterior 2, an alias of the protein, mesoderm posterior bHLH transcription factor 2. The official gene symbol is MESP2. The protein, with a mass of 41.8 kDa and length of 397 residues, is reported to be nuclear. It may be known by other names, including: bHLHc6, mesoderm posterior basic helix-loop-helix transcription factor 2, mesoderm posterior 2 homolog, class C basic helix-loop-helix protein 6, and mesoderm posterior protein 2.