There are a number of ELISA Kits available for the measurement of pentraxin related gene, another term for the human protein, pentraxin 3. Other synonyms may include: pentraxin-related protein PTX3, TNF alpha-induced protein 5, long pentraxin 3, tumor necrosis factor alpha-induced protein 5, tumor necrosis factor-inducible protein TSG-14, TNFAIP5, and TSG-14. It is encoded by the PTX3 gene to yield a protein 381 amino acids in length and 42 kDa in size. Versions of pentraxin related gene are present in other organisms, including: Mouse, Rat, Chicken.