==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=6-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER NUCLEOTIDYLTRANSFERASE 13-AUG-93 1KAN . COMPND 2 MOLECULE: KANAMYCIN NUCLEOTIDYLTRANSFERASE; . SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; . AUTHOR H.M.HOLDEN,I.RAYMENT,J.SAKON .