==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=20-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER VIRUS 10-NOV-04 1XYR . COMPND 2 MOLECULE: GENOME POLYPROTEIN, COAT PROTEIN VP1; . SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN POLIOVIRUS 1; . AUTHOR D.BUBECK,D.J.FILMAN,N.CHENG,A.C.STEVEN,J.M.HOGLE,D.M.BELNAP .