>4yc6E (E:) observed residues (from ATOM records)
medytkiekigegtygvvykgrhkttgqvvamkkirleseeegvpstaireisllkelrh
pnivslqdvlmqdsrlylifeflsmdlkkyldsippgqymdsslvksylyqilqgivfch
srrvlhrdlkpqnlliddkgtikladfglarafgvythevvtlwyrspevllgsarystp
vdiwsigtifaelatkkplfhgdseidqlfrifralgtpnnevwpeveslqdykntfpkw
kpgslashvknldengldllskmliydpakrisgkmalnhpyfnd