==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=7-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER OXIDOREDUCTASE(NADP) 20-JUL-93 1MAR . COMPND 2 MOLECULE: ALDOSE REDUCTASE; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR D.K.WILSON,F.A.QUIOCHO .