>1s4dL (L:) observed residues (from ATOM records)
aglpalekgsvwlvgagpgdpglltlhaanalrqadvivhdalvnedclklarpgavlef
agkggkpskqrdislrlvelaragnrvlrlkggdpfvfgrggeealtlvehqvpfrivpg
itagigglayagipvthrevnhavtfltghvpdrinwqgiasgspvivmymamkhigait
anliaggrspdepvafvcnaatpqqavlettlaraeadvaaagleppaivvvgevvrlra
aldwiga