KLF9 | |||||||
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Identifiers | |||||||
Aliases | KLF9, BTEB, BTEB1, Kruppel-like factor 9, Kruppel like factor 9 | ||||||
External IDs | MGI: 1333856 HomoloGene: 931 GeneCards: KLF9 | ||||||
RNA expression pattern | |||||||
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Orthologs | |||||||
Species | Human | Mouse | |||||
Entrez |
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Ensembl |
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UniProt |
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RefSeq (mRNA) |
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RefSeq (protein) |
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Location (UCSC) | Chr 9: 70.38 – 70.41 Mb | Chr 19: 23.14 – 23.17 Mb | |||||
PubMed search | |||||||
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Krueppel-like factor 9 is a protein that in humans is encoded by the KLF9 gene. Previously known as Basic Transcription Element Binding Protein 1 (BTEB Protein 1), Klf9 is part of the Sp1 C2H2-type zinc finger family of transcription factors. Several previous studies showed Klf9-related regulation of animal development, including cell differentiation of B cells, keratinocytes, and neurons. Klf9 is also a key transcriptional regulator for uterine endometrial cell proliferation, adhesion, and differentiation, all factors that are essential during the process of pregnancy and are turned off during tumorigenesis.
The protein encoded by this gene is a transcription factor that binds to GC box elements located in the promoter. Binding of the encoded protein to a single GC box inhibits mRNA expression while binding to tandemly repeated GC box elements activates transcription.