GTF2A1, Official Symbol GTF2A1provided by HGNC Official Full Name general transcription factor IIA subunit 1provided by HGNC Primary source HGNC:HGNC:4646 See related Ensembl:ENSG00000165417 MIM:600520; AllianceGenome:HGNC:4646 Gene type protein coding RefSeq status VALIDATED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as TF2A1; TFIIA; TFIIAL; TFIIA-42 Summary Accurate transcription initiation on TATA-containing class II genes involves the ordered assembly of RNA polymerase II (POLR2A; MIM 180660) and several general initiation factors (summarized by DeJong and Roeder, 1993 [PubMed 8224848]). One of these factors is TFIIA, which when purified from HeLa extracts consists of 35-, 19-, and 12-kD subunits.[supplied by OMIM, Jul 2010] Expression Ubiquitous expression in thyroid (RPKM 15.3), testis (RPKM 12.9) and 25 other tissues See more Orthologs mouse all