>4z69A (A:) observed residues (from ATOM records)
hksevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesaenc
dkslhtlfgdklctvatlretygemadccakqepernecflqhkddnpnlprlvrpevdv
mctafhdneetflkkylyeiarrhpyfyapellffakrykaafteccqaadkaacllpkl
delrdegkassakqrlkcaslqkfgerafkawavarlsqrfpkaefaevsklvtdltkvh
tecchgdllecaddradlakyicenqdsissklkeccekpllekshciaevendempadl
pslaadfveskdvcknyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekcca
aadphecyakvfdefkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvstpt
lvevsrnlgkvgskcckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkccteslv
nrrpcfsalevdetyvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkatke
qlkavmddfaafvekcckaddketcfaeegkklvaasqaal