>2gtrA (A:) observed residues (from ATOM records)
ryrdivvrkqdgfthillstkssennslnpevmrevqsalstaaaddsklvllsavgsvf
ccgldfiyfirrltddrkrestkmaeairnfvntfiqfkkpiivavngpaiglgasilpl
cdvvwanekawfqtpyttfgqspdgcstvmfpkimggasanemllsgrkltaqeacgkgl
vsqvfwpgtftqevmvrikelascnpvvleeskalvrcnmkmeleqanerecevlkkiwg
saqgmdsmlkylqrkide