==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=21-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER RIBOSOME 14-JUL-05 2AAR . COMPND 2 MOLECULE: 23S RIBOSOMAL RNA; . SOURCE 2 ORGANISM_SCIENTIFIC: DEINOCOCCUS RADIODURANS; . AUTHOR D.BARAM,E.PYETAN,A.SITTNER,T.AUERBACH-NEVO,A.BASHAN,A.YONATH .