>1gk8O (O:) observed residues (from ATOM records)
mmvwtpvnnkmfetfsylppltdeqiaaqvdyivangwipclefaeadkayvsnesairf
gsvsclyydnrywtmwklpmfgcrdpmqvlreivactkafpdayvrlvafdnqkqvqimg
flvqrp