Fig. 3From: Human monoclonal anti-protective antigen antibody for the low-dose post-exposure prophylaxis and treatment of AnthraxImmunoprecipitation (IP). a 10% SDS–PAGE of IP; M, marker; lane 1, PA21 + lysates of PA83 recombinant bacteria; lane 2, PA21; lane 3, PA83; lane 4, control antibody+lysates of PA83 recombinant bacteria. b MS spectra of fragment ions from the 83-kDa proteinBack to article page