>2c57E (E:) observed residues (from ATOM records)
mkilviqgpnlnmlghrgmvtldqiheimqtfvkqgnldveleffqtnfegeiidkiqes
vgsdyegiiinpgafshtsiaiadaimlagkpvievhltniqareefrknsytgaacggv
imgfgplgynmalmamvnilaemkafqeaqknn