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NELFCD | Negative elongation factor C/D; Essential component of the NELF complex, a complex that negatively regulates the elongation of transcription by RNA polymerase II. The NELF complex, which acts via an association with the DSIF complex and causes transcriptional pausing, is counteracted by the P-TEFb kinase complex. Belongs to the NELF-D family. (599 aa) | ||||
TRIB1 | Tribbles homolog 1; Adapter protein involved in protein degradation by interacting with COP1 ubiquitin ligase. The COP1- binding motif is masked by autoinhibitory interactions with the protein kinase domain. Serves to alter COP1 substrate specificity by directing the activity of COP1 toward CEBPA. Binds selectively the recognition sequence of CEBPA. Regulates myeloid cell differentiation by altering the expression of CEBPA in a COP1-dependent manner (By similarity). Controls macrophage, eosinophil and neutrophil differentiation via the COP1-binding domain (By similarity). Interacts wit [...] (372 aa) |