>3a28E (E:) observed residues (from ATOM records)
skvamvtggaqgigrgiseklaadgfdiavadlpqqeeqaaetiklieaadqkavfvgld
vtdkanfdsaideaaeklggfdvlvnnagiaqikpllevteedlkqiysvnvfsvffgiq
aasrkfdelgvkgkiinaasiaaiqgfpilsaysttkfavrgltqaaaqelapkghtvna
yapgivgtgmweqidaelskingkpigenfkeysssialgrpsvpedvaglvsflasens
nyvtgqvmlvdggmlyn