Positive Control: HeLa, Jurkat, Jurkat_NE, Raji, NCI-H929
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SP3 encodes a protein that belongs to a family of Sp1 related genes which encode transcription factors that regulate transcription by binding to consensus GC- and GT-box regulatory elements in target genes. This protein contains a zinc finger DNA-binding domain and several transactivation domains, and has been reported to function as a bifunctional transcription factor that either stimulates or represses the transcription of numerous genes. Transcript variants encoding different isoforms have been described for this gene, and one has been reported to initiate translation from a non-AUG (AUA) start codon. Additional isoforms, resulting from the use of alternate downstream translation initiation sites, have also been noted. A related pseudogene has been identified on chromosome 13.
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Protein Aliases: GC-binding transcription factor Sp3; Sp3 transcription factor; specificity protein 3; SPR-2; SPR2; Transcription factor Sp3
Gene Aliases: SP3; SPR2
UniProt ID: (Human) Q02447
Entrez Gene ID: (Human) 6670