==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=27-NOV-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER ELONGATION FACTOR 17-OCT-94 1EFG . COMPND 2 MOLECULE: ELONGATION FACTOR G; . SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; . AUTHOR J.CZWORKOWSKI,J.WANG,T.A.STEITZ,P.B.MOORE .