>4i6bA (A:) observed residues (from ATOM records)
riivdpttgkrysrgktlgkggfakcyemtdltnnkvyaakiiphsrvskphqrekidke
ielhrilhhkhvvqfyhyfedkeniyilleycsrrsmahilkarkvltepevryylrqiv
sglkylheqeilhrdlklgnffinesmelkvgdfglaarleplehrrrticgtpnylspe
vlnkqghgaesdiwalgcvmytmllgrppfettnlketyrsirearytmpssllapakhl
iasmlsknpedrpslddiirhdfftqgftpdrlssscchtvpdfh