>2ck3B (B:) observed residues (from ATOM records)
vdleetgrvlsigdgiarvhglrnvqaeemvefssglkgmslnlepdnvgvvvfgndkli
kegdivkrtgaivdvpvgeellgrvvdalgnaidgkgpigskarrrvglkapgiiprisv
repmqtgikavdslvpigrgqreliigdrqtgktsiaidtiinqkrfndgtdekkklyci
yvaigqkrstvaqlvkrltdadamkytivvsatasdaaplqylapysgcsmgeyfrdngk
haliiyddlskqavayrqmslllrrppgreaypgdvfylhsrlleraakmndafgggslt
alpvietqagdvsayiptnvisitdgqifletelfykgirpainvglsvsrvgsaaqtra
mkqvagtmklelaqyrevaldaatqqllsrgvrltellkqgqyspmaieeqvaviyagvr
gyldklepskitkfenaflshvisqhqallgkirtdgkiseesdaklkeivtnflagfea