>3nh7O (O:) observed residues (from ATOM records)
ieltqppsvsvapgqtariscsgdslgskyviwyqqkpgqapvlviyddsnrpsgiperf
sgsnsgntatltisgtqaedeadyycstftmsgngtvfgggtkltvlgqpkaapsvtlfp
psseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassyls
ltpeqwkshrsyscqvthegstvektvapt