==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=10-MAR-2010     .
REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637                                                              .
HEADER    BIOSYNTHETIC/STRUCTURAL PROTEIN/RNA     11-MAY-05   1ZN1                                                             .
COMPND   2 MOLECULE: RIBOSOMAL 23S RNA;                                                                                        .
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                                                                              .
AUTHOR    N.GAO,A.V.ZAVIALOV,W.LI,J.SENGUPTA,M.VALLE,R.P.GURSKY,                                                               .