>1yy4A (A:) observed residues (from ATOM records)
lspeqlvltlleaepphvlisrpsapfteasmmmsltkladkelvhmiswakkipgfvel
slfdqvrllescwmevlmmglmwrsidhpgklifapdlvldrdegkcvegileifdmlla
ttsrfrelklqhkeylcvkamillnssmdssrklahllnavtdalvwviaksgissqqqs
mrlanllmllshvrhasnkgmehllnmkcknvvpvydlllemlna