Binary package “dssp” in ubuntu oracular
protein secondary structure assignment based on 3D structure
DSSP is an application you use to assign the secondary structure of a protein
based on its solved three dimensional (3D) structure.
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This version (4.2) of DSSP is a rewrite that writes annotated mmCIF files
by default but can still produce the older dssp format. New is also the
support of PP helices.