>4trrE (E:) observed residues (from ATOM records)
nlngktavvtgaasgigkeialelakagaavaiadlnqdganavadeinkaggkaigvam
dvtneeavntgidkvaeafgsvdilvsnagiqivnpienysfadwkkmqaihvdgafltt
kaalkhmykddrggvviymgsvhsheasplksayvtakhgllglarvlakegakhnvrsh
vvcpgfvrseeevikkvmlgntvdgvfttvqdvaqtvlflsafpsaaltgqsfivshgwf
mq