==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=1-JAN-2010      .
REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637                                                              .
HEADER    HYDROLASE(ACID PROTEINASE)              10-APR-89   2HVP                                                             .
COMPND   2 MOLECULE: HIV-1 PROTEASE;                                                                                           .
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1;                                                                .
AUTHOR    M.A.NAVIA,P.M.D.FITZGERALD,B.M.MCKEEVER,J.P.SPRINGER                                                                 .