How Many Protein-Protein Interactions Types Exist in Nature?

• Leonardo Garma ,

  Contributed equally to this work with: Leonardo Garma, Srayanta Mukherjee

  Affiliations Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, United States of America, Biocenter Oulu and Department of Biochemistry, University of Oulu, Oulu, Finland

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• Srayanta Mukherjee ,

  Contributed equally to this work with: Leonardo Garma, Srayanta Mukherjee

  Affiliation Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, United States of America

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• Pralay Mitra,

  Affiliation Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, United States of America

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• Yang Zhang

  * E-mail: zhng@umich.edu

  Affiliation Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, United States of America

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