>2b67A (A:) observed residues (from ATOM records)
mkflelnkkrhatkhftdklvdpkdvrtaieiatlapsahnsqpwkfvvvreknaelakl
aygsnfeqvssapvtialftdtdlakrarkiarvggannfseeqlqyfmknlpaefarys
eqqvsdylalnaglvamnlvlaltdqgigsniilgfdkskvnevleiedrfrpellitvg
ytdeklepsyrlpvdeiiekr