>1y4kA (A:) observed residues (from ATOM records)
hkikgtvvlmpknnlnaflgrsvslqlisatkadahgkgkvgkdtflegintslptlgag
esafnihfewdgsmgipgafyiknymqvefflksltleagtirfvcnswvyntklyksvr
iffanhtyvpsetpaplvsyreeelkslrgngtgerkeydriydydvyndlgnpdksekl
arpvlggsstfpyprrgrtgrgptvtdpntekqgevfyvprdenlghlkskdaleigtks
lsqivqpafesafdlkstpiefhsfqdvhdlyeggiklprdvistiiplpvikelyrtdg
qhilkfpqphvvqvsqsawmtdeefaremiagvnpcvirgleefppksnldpaiygdqss
kitadsldldgytmdealgsrrlfmldyhdifmpyvrqinqlnsaktyatrtilflredg
tlkpvaielslphsagdlsaavsqvvlpakegvestiwllakayvivndscyhqlmshwl
nthaamepfviathrhlsvlhpiyklltphyrnnmninalarqslinangiiettflpsk
ysvemssavyknwvftdqalpadlikrgvaikdpstphgvrlliedypyaadgleiwaai
ktwvqeyvplyyardddvkndselqhwwkeavekghgdlkdkpwwpklqtledlvevcli
iiwiasalhaavgfgqypygglimnrptasrrllpekgtpeyeeminnhekaylrtitsk
lptlislsvieilsthasdevylgqrdnphwtsdskalqafqkfgnklkeieeklvrrnn
dpslqgnrlgpvqlpytllypsseegltfrgipnsisi