>5y5cB (B:) observed residues (from ATOM records)
qtmkgldiqkvagtwyslamaasdislldaqsaplrvyveelkptpegdleillqkweng
ecaqkkiiaektkipavfkidalnenkvlvldtdykkyllfcmensaepeqslacqclvr
tpevddealekfdkalkalpmhirlsfnptqleeqchi