altered level of substance in cell altered protein level 2017-07-05T16:24:26Z An altered level of substance in a cell phenotype in which the amount of protein measured in a cell is altered relative to a designated control. Total protein or a specific protein may be affected. OMP:0007635 This is a high-level term whose primary purpose is to organize terms beneath it in the ontology, and we recommend that it not be used for direct annotation. Please consider using a more specific term to annotate each phenotype. dsiegele microbial_phenotype