>1urzB (B:) SEQRES residues
srcthlenrdfvtgtqgttrvtlvlelggcvtitaegkpsmdvwldaiyqenpaktreyc
lhaklsdtkvaarcptmgpatlaeehqggtvckrdqsdrgwgnhcglfgkgsivacvkaa
ceakkkatghvydankivytvkvephtgdyvaanethsgrktasftissektiltmgeyg
dvsllcrvasgvdlaqtvileldktvehlptawqvhrdwfndlalpwkhegaqnwnnaer
lvefgaphavkmdvynlgdqtgvllkalagvpvahiegtkyhlksghvtcevgleklkmk
gltytmcdktkftwkraptdsghdtvvmevtfsgtkpcripvravahgspdvnvamlitp
nptienngggfiemqlppgdniiyvgelshqwfqkgssigr