>1sckA (A:) observed residues (from ATOM records)
afahfvlihtichgawiwhklkpllealghkvtaldlaasgvdprqieeigsfdeysepl
ltflealppgekvilvgescgglniaiaadkycekiaaavfhnsvlpdtehcpsyvvdkl
mevfpdwkdttyftytkdgkeitglklgftllrenlytlcgpeeyelakmltrkgslfqn
ilakrpfftkegygsikkiyvwtdqdeiflpefqlwqienykpdkvykveggdhllqltk
tkeiaeilqevadtyn