>1di7A (A:) observed residues (from ATOM records)
atlriglvsisdryqdkgipaleewltsalttpfeletrlipdeqaiieqtlcelvdems
chlvlttggtgparrdvtpdatlavadrempgfgeqmrqislhfvptailsrqvgvirkq
alilnlpgqpksiketlegvkdaegnvvvhgifasvpyciqllegpyvetapevvaafrp
ksarr