==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=10-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER GROWTH FACTOR 08-OCT-93 1POS . COMPND 2 MOLECULE: PORCINE PANCREATIC SPASMOLYTIC POLYPEPTIDE; . SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; . AUTHOR A.DE,D.BROWN,M.GORMAN,M.CARR,M.R.SANDERSON,P.S.FREEMONT .