>1kxuA (A:) observed residues (from ATOM records)
wtfsseeqlarlradanrkfrckavangkvlpndpvflepheemtlckyyekrllefcsv
fkpamprsvvgtacmyfkrfylnnsvmeyhpriimltcaflackvdefnvsspqfvgnlr
esplgqekaleqileyellliqqlnfhlivhnpyrpfegflidlktrypilenpeilrkt
addflnrialtdayllytpsqialtailssasragitmesylseslmlkenrtclsqlld
imksmrnlvkkyepprseevavlkqklerchsaela