>6fy4A (A:) observed residues (from ATOM records)
rralivlahsertsfnyamkeaaaaalkkkgwevvesdlyamnfnpiisrkditgklkdp
anfqypaesvlaykeghlspdivaeqkkleaadlvifqfplqwfgvpailkgwfervfig
efaytyaamydkgpfrskkavlsittggsgsmyslqgihgdmnvilwpiqsgilhfcgfq
vlepqltysightpadariqilegwkkrleniwdetplyfapsslfdlnfqagflmkkev
qdeeknkkfglsvghhlgksiptdnqikar