>1op3M (M:) observed residues (from ATOM records)
evqlvesggglvkaggslilscgvsnfrisahtmnwvrrvpggglewvasistsstyrdy
adavkgrftvsrddledfvylqmhkmrvedtaiyycarkgsdrlsdndpfdawgpgtvvt
vspastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl
qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk