>4y5vI (I:) observed residues (from ATOM records)
kfeskaallaargpeellcfterledlvcfweeaapgqysfsyqledepwklcrlhqapt
avrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglvarlsghvvl
rwlpppetpmtshiryevdvsavqrveilegrtecvlsngrtrytfavrarmaepsfggf
wsawsepvsll