Description_x000D_ General description_x000D_ The antibody A67-B/E3 reacts with prostate-specific antigen (PSA),a protein produced by normal prostate cells. The highest amounts of PSA are found in the seminal fluid._x000D_ Immunogen_x000D_ 30 KDa protein fraction prepared from human seminal plasma_x000D_ Physical form_x000D_ Solution in phosphate buffered saline with 15 mM sodium azide._x000D_ Disclaimer_x000D_ Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.