python3-peptidebuilder 1.1.0-3 (amd64 binary) in ubuntu lunar

 PeptideBuilder is a simple Python library to generate model peptides.
 Typically on daisychains a few residues in e.g. biopython, and so
 does PeptideBuilder, but it does it right.
 .
 Parameters like the backbone formation can be specified ab initio,
 rotamers/energy minimisation is left to respective specialist tools.