>4uo6A (A:) observed residues (from ATOM records)
nntatlclghhavangtlvktmsddqievtnatelvqsismgkicnksyrildgrnctli
damlgdphcdafqyeswdlfiersnafsncypydipdyaslrsivassgtveftaegftw
tgvtqngrsgackrgsadsffsrlnwltksgssyptlnvtmpnnknfdklyiwgihhpss
nqeqtklyiqesgrvtvstkrsqqtiipnigsrplvrgqsgrisiywtivkpgdilmins
ngnlvaprgyfklntgkssvmrsdvpidicvsecitpngsisndkpfqnvnkvtygkcpk
yirqntlklatgmrnvpek