>1x76B (B:) observed residues (from ATOM records)
lspeqlvltlleaepphvlisrpsapfteasmmmsltkladkelvhmiswakkipgfvel
slfdqvrllescwmevlmmglmwrsidhpgklifapdlvldrdegkcvegileifdmlla
ttsrfrelklqhkeylcvkamillnssmdssrklahllnavtdalvwviaksgissqqqs
mrlanllmllshvrhasnkgmehllnmkcknvvpvydlllemlna