>1fm6U (U:) observed residues (from ATOM records)
nedmpverileaelavepktetyveanmglnpsspndpvtnicqaadkqlftlvewakri
phfselplddqvillragwnelliasfshrsiavkdgillatglhvhrnsahsagvgaif
drvltelvskmrdmqmdktelgclraivlfnpdskglsnpaevealrekvyasleayckh
kypeqpgrfaklllrlpalrsiglkclehlfffkligdtpidtflmemleap