>2c57F (F:) observed residues (from ATOM records)
mkilviqgpnlnmlghrgmvtldqiheimqtfvkqgnldveleffqtnfegeiidkiqes
vgsdyegiiinpgafshtsiaiadaimlagkpvievhltniqareefrknsytgaacggv
imgfgplgynmalmamvnilaemkafqeaqknn