>1urzB (B:) observed residues (from ATOM records) rcthlenrdfvtgtqgttrvtlvlelggcvtitaegkpsmdvwldaiyqenpaktreycl haklsdtkvaarcptmgpatlaeehqggtvckrdqsdrgwgnhcglfgkgsivacvkaac eakkkatghvydankivytvkvephtrktasftissektiltmgeygdvsllcrvasgvd laqtvileldktvehptawqvhrdwfndlalpwkhegaqnwnnaerlvefgaphavkmdv ynlgdqtgvllkalagvpvahiegtkyhlksghvtcevgleklkmkgltytmcdktkftw kraptdsghdtvvmevtfsgtkpcripvravahgspdvnvamlitpnptienngggfiem qlppgdniiyvgelshqwfqkgssigr