==== 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 RNA BINDING PROTEIN/RNA 12-JUN-03 1PN7 . COMPND 2 MOLECULE: P-TRNA; . SOURCE 2 SYNTHETIC: YES; . AUTHOR M.VALLE,A.ZAVIALOV,J.SENGUPTA,U.RAWAT,M.EHRENBERG,J.FRANK .