==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=24-JUL-2010 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER VIRAL PROTEIN 21-JUL-09 3IYB . COMPND 2 MOLECULE: GENOME POLYPROTEIN; . SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN POLIOVIRUS 1 MAHONEY; . AUTHOR H.C.LEVY,M.BOSTINA,D.J.FILMAN,J.M.HOGLE .