>4lk5C (C:) observed residues (from ATOM records)
pvagldvtlsdgvfsvtinrpdslnsltvpvitgiadameyaatdpevkvvriggagrgf
ssgagideiileinrlvraiaalphpvvavvqgpaagvgvsialacdvvlasenaffmla
ftkiglmpdggasalvaaavgriramqmallperlpaaealawglvtavypadefeaevd
kviarllsgpavafaktklainaatlteldpalqrefdgqsvllkspdfvegatafqqrr
tpnftd