>tr|Q54971|Q54971_STRPY Superantigen OS=Streptococcus pyogenes GN=SSA MNKRIRILVVACVVFCAQLLSISVFASSQPDPTPEQLNKSSQFTGVMGNLRCLYDNHFVE GTNVRSTGQLLQHDLIFPIKDLKLKNYDSVKTEFNSKDLATKYKNKDVDIFGSNYYYNCY YSEGNSCKNAKKTCMYGGVTEHHRNQIEGKFPNITVKVYEDNENILSFDITTNKKQVTVQ ELDCKTRKILVSRKNLYEFNNSPYETGYIKFIESSGDSFWYDMMPAPGAIFDQSKYLMLY NDNKTVSSSAIAIEVHLTKK