is about has_specified_input has_specified_output achieves_planned_objective protein domain specific binding data item binding assay genetically modified material protein and DNA interaction identification objective split-ubiquitin assay A binding assay that screens membrane soluble proteins by fusion of two integral membrane proteins (bait and prey) to two different ubiquitin moieties. One moiety is also fused to a transcription factor (TF) that can be cleaved off by ubiquitin specific proteases. Upon bait and prey interaction, Nub and Cub-moieties assemble, reconstituting the split-ubiquitin. The reconstituted split-ubiquitin molecule is recognized by ubiquitin specific proteases, which cleave off the reporter protein, allowing it to induce the transcription of reporter genes. Marcus Chibucos Philippe Rocca-Serra Split-ubiquitin two-hybrid assay to analyze protein-protein interactions at the endosome: application to Saccharomyces cerevisiae Bro1 interacting with ESCRT complexes, the Doa4 ubiquitin hydrolase, and the Rsp5 ubiquitin ligase. PMID:17513562 url:https://en.wikipedia.org/wiki/Two-hybrid_screening split-ubiquitin assay ready for release