==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=14-APR-2010 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER IMMUNE SYSTEM 12-SEP-06 2IC4 . COMPND 2 MOLECULE: COMPLEMENT FACTOR H; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR A.N.FERNANDO,P.B.FURTADO,H.E.GILBERT,S.J.CLARK,A.J.DAY, .