>4cf6B (B:) observed residues (from ATOM records)
rralivlahsertsfnyamkeaaaaalkkkgwevvesdlyamnfnpiisrkditgklkdp
anfqypaesvlaykeghlspdivaeqkkleaadlvifqfplqwfgvpailkgwfervfig
efaytyaamydkgpfrskkavlsittggsgsmyslqgihgdmnvilwpiqsgilhfcgfq
vlesqltysightpadariqilegwkkrleniwdetplyfapsslfdlnfqagflmkkev
qdeeknkkfglsvghhlgksiptdnqikark