==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=23-JUL-2010 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER VIRUS 11-MAR-10 2X8Q . COMPND 2 MOLECULE: CAPSID PROTEIN P27; . SOURCE 2 ORGANISM_SCIENTIFIC: ROUS SARCOMA VIRUS - PRAGUE C; . AUTHOR J.K HYUN,M.RADJAINIA,R.L.KINGSTON,A.K.MITRA .