PIAS proteins promote SUMO-1 conjugation to STAT1.

Abstract

Signal transducer and activator of transcription 1 (STAT1) is a critical mediator of interferon-gamma (IFN-gamma)-induced transcription that is regulated through posttranslational modifications and through transacting proteins such as protein inhibitor of activated STAT1 (PIAS1). PIAS proteins have been shown to function as E3-type small ubiquitin-like… (More)

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