protein-protein interaction phenotype normal protein-protein interaction 2018-09-13T13:33:02Z single_species_phenotype A single species molecular function phenotype in which the binding of one protein to another is normal (i.e. indistinguishable from wild type). The relevant proteins may include the one encoded by the mutated gene, or may both be encoded by different genes. alaynecuzick FYPO:0000703