>1zafB (B:) observed residues (from ATOM records)
lspeqlvltlleaepphvlisrpsapfteasmmmsltkladkelvhmiswakkipgfvel
slfdqvrllescwmevlmmglmwrsidhpgklifapdlvldrdegkcvegileifdmlla
ttsrfrelklqhkeylcvkamillnsamdssrklahllnavtdalvwviaksgissqqqs
mrlanllmllshvrhasnkgmehllnmkcknvvpvydlllemlnahvl