>5xb5B (B:) SEQRES residues mliafegidgsgkttqakklyeylkqkgyfvslyrepggtkvgevlreillteelderte lllfeasrsklieekiipdlkrdkvvildafvlstiayqgygkgldvefiknlnefatrg vkpditllldipvdialrrlkeknrfenkeflekvrkgflelakeeenvvvidasgeeee vfkeilralsgvlrv