>2nv7B (B:) observed residues (from ATOM records)
lspeqlvltlleaepphvlisrpsapfteasmmmsltkladkelvhmiswakkipgfvel
slfdqvrllescwmevlmmglmwrsidhpgklifapdlvldrdegkcvegileifdmlla
ttsrfrelklqhkeylcvkamillnssmdssrklahllnavtdalvwviaksgissqqqs
mrlanllmllshvrhasnkgmehllnmkcknvvpvydlllemlna