Functions as a GC-rich promoter-specific transactivating transcription factor.
Nucleus . Cytoplasm . According to PubMed:12842993, it localizes to the cytoplasm. .
Widely expressed. Some isoforms may be specifically expressed in veins and arteries (at protein level). Isoform 4 is widely expressed. Isoform 1, isoform 2 and isoform 3 may be specifically expressed in vascular smooth muscle cells.
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