CAQ76271.1
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UniProt Primary Accession #
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UniProt Related Accession #
NCBI Official Full Name
POU class 5 homeobox 1, partial
NCBI Official Synonym Full Names
POU class 5 homeobox 1
NCBI Official Synonym Symbols
OCT3; OCT4; OTF3; OTF4; OTF-3; Oct-3; Oct-4 [Similar Products]
NCBI Protein Information
POU domain, class 5, transcription factor 1; octamer-binding protein 3; octamer-binding protein 4; POU domain transcription factor OCT4; octamer-binding transcription factor 3; POU-type homeodomain-containing DNA-binding protein
UniProt Protein Name
POU class 5 homeobox 1
UniProt Synonym Protein Names
POU class 5 homeobox 1
UniProt Entry Name
B5B8P0_HUMAN
NCBI Summary for POU5F1
This gene encodes a transcription factor containing a POU homeodomain that plays a key role in embryonic development and stem cell pluripotency. Aberrant expression of this gene in adult tissues is associated with tumorigenesis. This gene can participate in a translocation with the Ewing's sarcoma gene on chromosome 21, which also leads to tumor formation. Alternative splicing, as well as usage of alternative AUG and non-AUG translation initiation codons, results in multiple isoforms. One of the AUG start codons is polymorphic in human populations. Related pseudogenes have been identified on chromosomes 1, 3, 8, 10, and 12. [provided by RefSeq, Oct 2013]
UniProt Comments for POU5F1
Oct4: Transcription factor that binds to the octamer motif (5'-ATTTGCAT-3'). Forms a trimeric complex with SOX2 on DNA and controls the expression of a number of genes involved in embryonic development such as YES1, FGF4, UTF1 and ZFP206. Critical for early embryogenesis and for embryonic stem cell pluripotency. Interacts with UBE2I and ZSCAN10. Interacts with PKM2. Interacts with WWP2. Transcriptional activity is positively regulated by PKM2. Expressed in developing brain. Highest levels found in specific cell layers of the cortex, the olfactory bulb, the hippocampus and the cerebellum. Low levels of expression in adult tissues. Belongs to the POU transcription factor family. Class- 5 subfamily. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: DNA-binding; Transcription factor
Chromosomal Location of Human Ortholog: 6p21.31
Cellular Component: nucleoplasm; transcription factor complex; cytoplasm; nucleus; cytosol
Molecular Function: protein binding; miRNA binding; DNA binding; sequence-specific DNA binding; ubiquitin protein ligase binding; transcription factor binding; transcription factor activity
Biological Process: transcription from RNA polymerase II promoter; anatomical structure morphogenesis; blastocyst development; regulation of transcription, DNA-dependent; regulation of asymmetric cell division; regulation of gene expression; somatic stem cell maintenance; endodermal cell fate specification; response to wounding; positive regulation of transcription from RNA polymerase II promoter; mRNA transcription from RNA polymerase II promoter
Research Articles on POU5F1
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Pathways associated with anti-POU5F1 antibody
Organs/Tissues associated with anti-POU5F1 antibody
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