>4i6fA (A:) observed residues (from ATOM records)
riivdpttgkrysrgktlgkggfakcyemtdltnnkvyaakiiphsrvskphqrekidke
ielhrilhhkhvvqfyhyfedkeniyilleycsrrsmahilkarkvltepevryylrqiv
sglkylheqeilhrdlklgnffinesmelkvgdfglaarleplehrrrticgtpnylspe
vlnkqghgaesdiwalgcvmytmllgrppfettnlketyrsirearytmpssllapakhl
iasmlsknpedrpslddiirhdfftqgftpdrlssscchtvpdfh