>5HYU_1|Chain A|M protein, serotype 2.1|Streptococcus pyogenes (1314) GPGSNSKNPVPVKKEAKLSEAELHDKIKNLEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQEYKEQQERQKNLEELERQSQREVEKR >5HYU_2|Chain B|C4b-binding protein alpha chain|Homo sapiens (9606) GPGSNCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQVEIKTDLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI