Description_x000D_ Specificity_x000D_ This antibody reacts to human eIF-2a (eukaryotic translation initiation factor 2 subunit alpha) only when phosphorylated at Ser51. There is no cross-reactivity to eIF-2a without phosphorylation at Ser51. This antibody may also react to mouse or rat Phospho-eIF-2a (Ser51)._x000D_ Immunogen_x000D_ A phospho-peptide corresponding to human Phospho- eIF-2a (Ser51)._x000D_ Features and Benefits_x000D_ Evaluate our antibodies with complete peace of mind. If the antibody does not perform in your application, we will issue a full credit or replacement antibody. Learn more._x000D_ Physical form_x000D_ Solution in phosphate buffered saline containing 50% glycerol, 1% BSA and 0.09% 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.