HES1

HES1
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesHES1, HES-1, HHL, HRY, bHLHb39, hes family bHLH transcription factor 1
External IDsOMIM: 139605; MGI: 104853; HomoloGene: 38067; GeneCards: HES1; OMA:HES1 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_005524

NM_008235

RefSeq (protein)

NP_005515

NP_032261

Location (UCSC)Chr 3: 194.14 – 194.14 MbChr 16: 29.88 – 29.89 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Transcription factor HES1 (hairy and enhancer of split-1) is a protein that is encoded by the Hes1 gene, and is the mammalian homolog of the hairy gene in Drosophila.[5][6] HES1 is one of the seven members of the Hes gene family (HES1-7). Hes genes code nuclear proteins that suppress transcription.[7]

This protein belongs to the basic helix-loop-helix (bHLH) family of transcription factors. It is a transcriptional repressor of genes that require a bHLH protein for their transcription. The protein has a particular type of basic domain that contains a helix interrupting protein that binds to the N-box promoter region rather than the canonical enhancer box (E-box).[6] As a member of the bHLH family, it is a transcriptional repressor that influences cell proliferation and differentiation in embryogenesis.[7] HES1 regulates its own expression via a negative feedback loop, and oscillates with approximately 2-hour periodicity.[8]

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000114315Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000022528Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Feder JN, Li L, Jan LY, Jan YN (Jul 1994). "Genomic cloning and chromosomal localization of HRY, the human homolog to the Drosophila segmentation gene, hairy". Genomics. 20 (1): 56–61. doi:10.1006/geno.1994.1126. PMID 8020957.
  6. ^ a b "Entrez Gene: HES1 hairy and enhancer of split 1, (Drosophila)".
  7. ^ a b Kageyama R, Ohtsuka T, Kobayashi T (2007). "The Hes gene family: Repressors and oscillators that orchestrate embryogenesis". Development. 134 (7): 1243–1251. doi:10.1242/dev.000786. PMID 17329370. S2CID 1693293.
  8. ^ Hirata H, Yoshiura S, Ohtsuka T, Bessho Y, Harada T, Yoshikawa K, Kageyama R (October 2002). "Oscillatory Expression of the bHLH Factor Hes1 Regulated by a Negative Feedback Loop". Science. 298 (5594): 840–843. Bibcode:2002Sci...298..840H. doi:10.1126/science.1074560. PMID 12399594. S2CID 30725650.