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MEF2B | Myocyte-specific enhancer factor 2B; Transcriptional activator which binds specifically to the MEF2 element, 5'-YTA[AT](4)TAR-3', found in numerous muscle-specific genes. Activates transcription via this element. May be involved in muscle-specific and/or growth factor-related transcription. (368 aa) | ||||
SIT1 | Signaling threshold-regulating transmembrane adapter 1; Negatively regulates TCR (T-cell antigen receptor)-mediated signaling in T-cells. Involved in positive selection of T-cells. (196 aa) |