Protein Ontology (PRO): enhancing and scaling up the representation of protein entities

@article{Natale2016ProteinO,
  title={Protein Ontology (PRO): enhancing and scaling up the representation of protein entities},
  author={Darren A. Natale and Cecilia N. Arighi and Judith A. Blake and Jonathan P. Bona and Chuming Chen and Sheng-Chih Chen and Karen R. Christie and Julie E. Cowart and Peter D’Eustachio and Alexander D. Diehl and Harold J. Drabkin and William D. Duncan and Hongzhan Huang and Jia Ren and Karen E. Ross and Alan Ruttenberg and Veronica Shamovsky and Barry Smith and Qinghua Wang and Jian Zhang and Abdelrahman Elsayed and Cathy H. Wu},
  journal={Nucleic Acids Research},
  year={2016},
  volume={45},
  pages={D339 - D346}
}
The Protein Ontology (PRO; http://purl.obolibrary.org/obo/pr) formally defines and describes taxon-specific and taxon-neutral protein-related entities in three major areas: proteins related by evolution; proteins produced from a given gene; and protein-containing complexes. PRO thus serves as a tool for referencing protein entities at any level of specificity. To enhance this ability, and to facilitate the comparison of such entities described in different resources, we developed a standardized… 

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