AIDS-222570 AIDS222570 D57A Mutant of Toxoplasma gondii cyclophilin-18 NH2-MENAGVRKAYMDIDIDGEHAAGRIILELREDIAPKTVKNFIGLFDKYKGSVFHRIIPaFMIQGGDFENHNGTGGHSIYGRRFDDENFDLKHERGVISMANAGPNTNGSQFFITTVKTEWLDARHVVFGKITTESWPTVQAIEALGGSGGRPSKVAKITDIGLLE-COOH