>1w68A (A:) observed residues (from ATOM records)
vedepllrenprrfvvfpieyhdiwqmykkaeasfwtaeevdlskdiqhwealkpderhf
ishvlaffaasdgivnenlverfsqevqvtearcfygfqiamenihsemysllidtyikd
pkereylfnaietmpcvkkkadwalrwigdkeatygervvafaavegiffsgsfasifwl
kkrglmpgltfsnelisrdeglhcdfaclmfkhlvhkpaeqrvreiitnavrieqeflte
alpvkligmnctlmkqyiefvadrlmlelgfnkifrvenpf