There are a number of ELISA Kits available for the measurement of TPX2, microtubule-associated, another term for the human protein, TPX2 microtubule nucleation factor. Other synonyms may include: TPX2 microtubule-associated protein homolog, differentially expressed in cancerous and non-cancerous lung cells 2, hepatocellular carcinoma-associated antigen 519, and hepatocellular carcinoma-associated antigen 90. It is encoded by the TPX2 gene to yield a protein 747 amino acids in length and 85.7 kDa in size. However, there are up to 2 reported isoforms. The protein is categorized into the TPX2 family. Versions of TPX2, microtubule-associated are present in other organisms, including: Mouse, Rat, Arabidopsis, Zebrafish, Frog, Chicken.