NameInterferon regulatory factor 1
Synonyms
  • IRF-1
Gene NameIRF1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0019758|Interferon regulatory factor 1
MPITRMRMRPWLEMQINSNQIPGLIWINKEEMIFQIPWKHAAKHGWDINKDACLFRSWAI
HTGRYKAGEKEPDPKTWKANFRCAMNSLPDIEEVKDQSRNKGSSAVRVYRMLPPLTKNQR
KERKSKSSRDAKSKAKRKSCGDSSPDTFSDGLSSSTLPDDHSSYTVPGYMQDLEVEQALT
PALSPCAVSSTLPDWHIPVEVVPDSTSDLYNFQVSPMPSTSEATTDEDEEGKLPEDIMKL
LEQSEWQPTNVDGKGYLLNEPGVQPTSVYGDFSCKEEPEIDSPGGDIGLSLQRVFTDLKN
MDATWLDSLLTPVRLPSIQAIPCAP
Number of residues325
Molecular Weight36501.86
Theoretical pINot Available
GO Classification
Functions
  • DNA binding
  • RNA polymerase II core promoter proximal region sequence-specific DNA binding
  • transcriptional activator activity, RNA polymerase II core promoter proximal region sequence-specific binding
Processes
  • positive regulation of transcription, DNA-templated
  • positive regulation of interferon-beta production
  • apoptotic process
  • regulation of adaptive immune response
  • negative regulation of cell proliferation
  • negative regulation of regulatory T cell differentiation
  • positive regulation of transcription from RNA polymerase II promoter
  • CD8-positive, alpha-beta T cell differentiation
  • cytokine-mediated signaling pathway
  • regulation of CD8-positive, alpha-beta T cell proliferation
  • regulation of MyD88-dependent toll-like receptor signaling pathway
  • type I interferon signaling pathway
  • negative regulation of transcription, DNA-templated
  • blood coagulation
  • interferon-gamma-mediated signaling pathway
  • cellular response to interferon-beta
  • regulation of cell cycle
  • cell cycle arrest
  • defense response to virus
  • transcription from RNA polymerase II promoter
  • positive regulation of interleukin-12 biosynthetic process
  • positive regulation of type I interferon production
  • cellular response to mechanical stimulus
  • regulation of innate immune response
Components
  • nuclear chromatin
  • cytoplasm
  • nucleus
  • cytosol
  • nucleoplasm
General FunctionTranscriptional activator activity, rna polymerase ii core promoter proximal region sequence-specific binding
Specific FunctionTranscriptional regulator which displays a remarkable functional diversity in the regulation of cellular responses. These include the regulation of IFN and IFN-inducible genes, host response to viral and bacterial infections, regulation of many genes expressed during hematopoiesis, inflammation, immune responses and cell proliferation and differentiation, regulation of the cell cycle and induction of growth arrest and programmed cell death following DNA damage. Stimulates both innate and acquired immune responses through the activation of specific target genes and can act as a transcriptional activator and repressor regulating target genes by binding to an interferon-stimulated response element (ISRE) in their promoters. Its target genes for transcriptional activation activity include: genes involved in anti-viral response, such as IFN-alpha/beta, DDX58/RIG-I, TNFSF10/TRAIL, OAS1/2, PIAS1/GBP, EIF2AK2/PKR and RSAD2/viperin; antibacterial response, such as NOS2/INOS; anti-proliferative response, such as p53/TP53, LOX and CDKN1A; apoptosis, such as BBC3/PUMA, CASP1, CASP7 and CASP8; immune response, such as IL7, IL12A/B and IL15, PTGS2/COX2 and CYBB; DNA damage responses and DNA repair, such as POLQ/POLH; MHC class I expression, such as TAP1, PSMB9/LMP2, PSME1/PA28A, PSME2/PA28B and B2M and MHC class II expression, such as CIITA. Represses genes involved in anti-proliferative response, such as BIRC5/survivin, CCNB1, CCNE1, CDK1, CDK2 and CDK4 and in immune response, such as FOXP3, IL4, ANXA2 and TLR4. Stimulates p53/TP53-dependent transcription through enhanced recruitment of EP300 leading to increased acetylation of p53/TP53. Plays an important role in immune response directly affecting NK maturation and activity, macrophage production of IL12, Th1 development and maturation of CD8+ T-cells. Also implicated in the differentiation and maturation of dendritic cells and in the suppression of regulatory T (Treg) cells development. Acts as a tumor suppressor and plays a role not only in antagonism of tumor cell growth but also in stimulating an immune response against tumor cells.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDP10914
UniProtKB Entry NameIRF1_HUMAN
Cellular LocationNucleus
Gene sequence
>lcl|BSEQ0019759|Interferon regulatory factor 1 (IRF1)
ATGCCCATCACTCGGATGCGCATGAGACCCTGGCTAGAGATGCAGATTAATTCCAACCAA
ATCCCGGGGCTCATCTGGATTAATAAAGAGGAGATGATCTTCCAGATCCCATGGAAGCAT
GCTGCCAAGCATGGCTGGGACATCAACAAGGATGCCTGTTTGTTCCGGAGCTGGGCCATT
CACACAGGCCGATACAAAGCAGGGGAAAAGGAGCCAGATCCCAAGACGTGGAAGGCCAAC
TTTCGCTGTGCCATGAACTCCCTGCCAGATATCGAGGAGGTGAAAGACCAGAGCAGGAAC
AAGGGCAGCTCAGCTGTGCGAGTGTACCGGATGCTTCCACCTCTCACCAAGAACCAGAGA
AAAGAAAGAAAGTCGAAGTCCAGCCGAGATGCTAAGAGCAAGGCCAAGAGGAAGTCATGT
GGGGATTCCAGCCCTGATACCTTCTCTGATGGACTCAGCAGCTCCACTCTGCCTGATGAC
CACAGCAGCTACACAGTTCCAGGCTACATGCAGGACTTGGAGGTGGAGCAGGCCCTGACT
CCAGCACTGTCGCCATGTGCTGTCAGCAGCACTCTCCCCGACTGGCACATCCCAGTGGAA
GTTGTGCCGGACAGCACCAGTGATCTGTACAACTTCCAGGTGTCACCCATGCCCTCCACC
TCTGAAGCTACAACAGATGAGGATGAGGAAGGGAAATTACCTGAGGACATCATGAAGCTC
TTGGAGCAGTCGGAGTGGCAGCCAACAAACGTGGATGGGAAGGGGTACCTACTCAATGAA
CCTGGAGTCCAGCCCACCTCTGTCTATGGAGACTTTAGCTGTAAGGAGGAGCCAGAAATT
GACAGCCCAGGGGGGGATATTGGGCTGAGTCTACAGCGTGTCTTCACAGATCTGAAGAAC
ATGGATGCCACCTGGCTGGACAGCCTGCTGACCCCAGTCCGGTTGCCCTCCATCCAGGCC
ATTCCCTGTGCACCGTAG
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:6116
Chromosome Location5
LocusNot Available
References
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