As a result of the current Federal government funding situation, the information on this website may not be up to date or acted upon.  

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit

Updates regarding government operating status and resumption of normal operations can be found at


Each reagent on the Antibody Portal has been characterized by a combination of methods specific for that antibody. To view the customized antibody methods and protocols (Standard Operating Procedures) used to generate and characterize each reagent, select an antibody of interest and open the protocols associated with their respective characterization methods along with characterization data.