==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=3-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER NUCLEOTIDYLTRANSFERASE 17-JUN-01 1H6J . COMPND 2 MOLECULE: 3-DEOXY-MANNO-OCTULOSONATE CYTIDYLYLTRANSFERASE; . SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; . AUTHOR S.JELAKOVIC,K.JANN,G.E.SCHULZ .