>1urzF (F:) observed residues (from ATOM records)
rcthlenrdfvtgtqgttrvtlvlelggcvtitaegkpsmdvwldaiyqenpaktreycl
haklsdtkvaarcptmgpatlaeehqggtvckrdqsdrgwgnhcglfgkgsivacvkaac
eakkkatghvydankivytvkvephtrktasftissektiltmgeygdvsllcrvasgvd
laqtvileldktvehlptawqvhrdwfndlalpwkhegaqnwnnaerlvefgaphavkmd
vynlgdqtgvllkalagvpvahiegtkyhlksghvtcevgleklkmkgltytmcdktkft
wkraptdsghdtvvmevtfsgtkpcripvravahgspdvnvamlitpnptienngggfie
mqlppgdniiyvgelshqwfqkgssigr