Crystallization of the Protective Antigen Protein of Bacillus anthracis
ARMY MEDICAL RESEARCH INST OF INFECTIOUS DISEASES FORT DETRICK MD
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The protective antigen protein, one of the three separate proteins constituting the exotoxin system of Bacillus anthracis, has been crystallized in a form suitable for high resolution structural studies. The crystal form which is most amenable to x-ray analysis is orthorhombic, space group P2,12121, a 101.1 A, b 95.4 A, c 87.3 A, with one protective antigen monomer per asymmetric unit.