==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=5-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER RIBOSOME 07-AUG-01 1JQS . COMPND 2 MOLECULE: 50S RIBOSOMAL PROTEIN L11; . SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; . AUTHOR R.K.AGRAWAL,J.LINDE,J.SEGUPTA,K.H.NIERHAUS,J.FRANK .