There are a number of ELISA Kits available for the measurement of NK2 homeobox 9, another term for the human protein, NK2 homeobox 8. Other synonyms may include: homeobox protein Nkx-2.8, NK-2 homolog 8, NK-2 homolog H, NK2 transcription factor related locus 8, NKX2.8, NKX2H, and Nkx2-9. It is encoded by the NKX2-8 gene to yield a protein 239 amino acids in length and 25.9 kDa in size. The protein is categorized into the NK-2 homeobox family. Versions of NK2 homeobox 9 are present in other organisms, including: Mouse, Rat, Frog, Chicken.