>4y5xL (L:) observed residues (from ATOM records)
feskaallaargpeellcfterledlvcfweeapgqysfsyqledepwklcrlhqaptaa
vrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglvarladesghv
vlrwlpppetpmtshiryevdvsagqgagsvqrveilegrtecvlsnlrgrtrytfavra
rmaepsfggfwsawsepvslltpsdl