>2q4cB (B:) observed residues (from ATOM records)
satlkvsdsvpapsddaeqlrtaedliisilahrsaeqrkvirqayhetygedllktlds
ndferaillwtlepgerdallaneatkrwtssnqvlmevactrtstqllharqayharyk
ksleedvahhttgdfrkllvslvtsyryegdevnmtlakqeaklvhekikdkhyndedvi
rilstrskaqinatfnryqddhgeeilksleegddddkflallrstiqcltrpelyfvdv
lrsainktgtdegaltrivttraeidlkvigeeyqrrnsiplekaitkdtrgdyekmlva
llgedda