To cite drawProteins in publications use:

  Paul Brennan drawProteins: a Bioconductor/R package for reproducible
  and programmatic generation of protein schematics [version 1;
  referees: 2 approved] F1000Research 2018, 7:1105

A BibTeX entry for LaTeX users is

  @Article{,
    title = {drawProteins: a Bioconductor/R package for reproducible and
    programmatic generation of protein schematics [version 1; referees: 2
    approved]},
    author = {Paul Brennan},
    year = {2018},
    journal = {F1000Research},
    volume = {7},
    pages = {1105},
    doi = {10.12688/f1000research.14541.1},
    url = {https://f1000research.com/articles/7-1105/v1},
  }