>2yacA (A:) observed residues (from ATOM records)
eipevlvdprsrrryvrgrflgkggfakcfeisdadtkevfagkivpkslllkphqrekm
smeisihrslahqhvvgfhgffedndfvfvvlelcrrrsllelhkrrkaltepearyylr
qivlgcqylhrnrvihrdlklgnlflnedlevkigdfglatkveydgerkktlcgtpnyi
apevlskkghsfevdvwsigcimytllvgkppfetsclketylrikkneysipkhinpva
asliqkmlqtdptarptinellndefftsgyiparlpitcltipprfsiap