>4y5vC (C:) observed residues (from ATOM records)
pkfeskaallaargpeellcfterledlvcfweeapgqysfsyqledepwklcrlhqapt
agavrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglvarlades
ghvvlrwlpppetpmtshiryevdvsagqgsvqrveilegrtecvlsnlrgrtrytfavr
armaepsfggfwsawsepvslltpsd