ATF4 (англ. Activating transcription factor 4) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 22-ї хромосоми.[3] Довжина поліпептидного ланцюга білка становить 351 амінокислот, а молекулярна маса — 38 590[4].
Послідовність амінокислот
10 | | 20 | | 30 | | 40 | | 50 |
MTEMSFLSSE | | VLVGDLMSPF | | DQSGLGAEES | | LGLLDDYLEV | | AKHFKPHGFS |
SDKAKAGSSE | | WLAVDGLVSP | | SNNSKEDAFS | | GTDWMLEKMD | | LKEFDLDALL |
GIDDLETMPD | | DLLTTLDDTC | | DLFAPLVQET | | NKQPPQTVNP | | IGHLPESLTK |
PDQVAPFTFL | | QPLPLSPGVL | | SSTPDHSFSL | | ELGSEVDITE | | GDRKPDYTAY |
VAMIPQCIKE | | EDTPSDNDSG | | ICMSPESYLG | | SPQHSPSTRG | | SPNRSLPSPG |
VLCGSARPKP | | YDPPGEKMVA | | AKVKGEKLDK | | KLKKMEQNKT | | AATRYRQKKR |
AEQEALTGEC | | KELEKKNEAL | | KERADSLAKE | | IQYLKDLIEE | | VRKARGKKRV |
P |
Коротка інформація Наявні структури, PDB ...
ATF4
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Ідентифікатори |
Символи |
ATF4, CREB-2, CREB2, TAXREB67, TXREB, activating transcription factor 4 |
Зовнішні ІД |
OMIM: 604064 MGI: 88096 HomoloGene: 1266 GeneCards: ATF4
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Онтологія гена |
Молекулярна функція |
• DNA binding • sequence-specific DNA binding • GO:0001131, GO:0001151, GO:0001130, GO:0001204 DNA-binding transcription factor activity • GO:0001077, GO:0001212, GO:0001213, GO:0001211, GO:0001205 DNA-binding transcription activator activity, RNA polymerase II-specific • transcription factor binding • GO:0000980 RNA polymerase II cis-regulatory region sequence-specific DNA binding • core promoter sequence-specific DNA binding • protein C-terminus binding • GO:0001948, GO:0016582 protein binding • leucine zipper domain binding • protein heterodimerization activity • protein kinase binding • GO:0001200, GO:0001133, GO:0001201 DNA-binding transcription factor activity, RNA polymerase II-specific • RNA polymerase II transcription regulatory region sequence-specific DNA binding
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Клітинна компонента |
• цитоплазма • ATF1-ATF4 transcription factor complex • ATF4-CREB1 transcription factor complex • transcription regulator complex • dendrite membrane • клітинне ядро • Lewy body core • nuclear periphery • мембрана • клітинна мембрана • нуклеоплазма • центр організації мікротрубочок • neuron projection • цитоскелет • CHOP-ATF4 complex • центросома • GO:0009327 protein-containing complex • RNA polymerase II transcription regulator complex
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Біологічний процес |
• gamma-aminobutyric acid signaling pathway • глюконеогенез • GO:0009373 regulation of transcription, DNA-templated • positive regulation of transcription from RNA polymerase II promoter in response to endoplasmic reticulum stress • GO:0044324, GO:0003256, GO:1901213, GO:0046019, GO:0046020, GO:1900094, GO:0061216, GO:0060994, GO:1902064, GO:0003258, GO:0072212 regulation of transcription by RNA polymerase II • negative regulation of oxidative stress-induced neuron death • cellular response to amino acid starvation • mRNA transcription by RNA polymerase II • circadian regulation of gene expression • response to endoplasmic reticulum stress • PERK-mediated unfolded protein response • response to manganese-induced endoplasmic reticulum stress • GO:0060469, GO:0009371 positive regulation of transcription, DNA-templated • positive regulation of neuron apoptotic process • intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress • GO:1901313 positive regulation of gene expression • positive regulation of transcription from RNA polymerase II promoter in response to oxidative stress • циркадний ритм • negative regulation of potassium ion transport • GO:0003257, GO:0010735, GO:1901228, GO:1900622, GO:1904488 positive regulation of transcription by RNA polymerase II • positive regulation of transcription from RNA polymerase II promoter in response to arsenic-containing substance • cellular response to glucose starvation • negative regulation of translational initiation in response to stress • ритмічний процес • cellular response to UV • positive regulation of transcription from RNA polymerase II promoter in response to stress • cellular amino acid metabolic process • transcription by RNA polymerase II • transcription, DNA-templated • positive regulation of apoptotic process • positive regulation of vascular endothelial growth factor production • positive regulation of transcription by RNA polymerase I • cellular response to dopamine • response to toxic substance • neuron differentiation • cellular response to oxygen-glucose deprivation • positive regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway • cellular calcium ion homeostasis • positive regulation of biomineral tissue development • negative regulation of cold-induced thermogenesis • positive regulation of vascular associated smooth muscle cell apoptotic process • positive regulation of sodium-dependent phosphate transport
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Джерела:Amigo / QuickGO | |
Ортологи |
Види |
Людина |
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Entrez | |
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Ensembl |
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UniProt |
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RefSeq (мРНК) |
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RefSeq (білок) |
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Локус (UCSC) |
Хр. 22: 39.52 – 39.52 Mb |
Хр. 15: 80.14 – 80.14 Mb |
PubMed search |
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[2]
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Вікідані |
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Закрити
Кодований геном білок за функціями належить до активаторів, фосфопротеїнів.
Задіяний у таких біологічних процесах, як транскрипція, регуляція транскрипції, біологічні ритми.
Білок має сайт для зв'язування з ДНК.
Локалізований у клітинній мембрані, цитоплазмі, цитоскелеті, ядрі, мембрані.
- Karpinski B.A., Morle G.D., Huggenvik J., Uhler M.D., Leiden J.M. (1992). Molecular cloning of human CREB-2: an ATF/CREB transcription factor that can negatively regulate transcription from the cAMP response element. Proc. Natl. Acad. Sci. U.S.A. 89: 4820—4824. PMID 1534408 DOI:10.1073/pnas.89.11.4820
- The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 14: 2121—2127. 2004. PMID 15489334 DOI:10.1101/gr.2596504
- Hai T., Liu F., Coukos W.J., Green M.R. (1989). Transcription factor ATF cDNA clones: an extensive family of leucine zipper proteins able to selectively form DNA-binding heterodimers. Genes Dev. 3: 2083—2090. PMID 2516827 DOI:10.1101/gad.3.12b.2083
- Ohoka N., Yoshii S., Hattori T., Onozaki K., Hayashi H. (2005). TRB3, a novel ER stress-inducible gene, is induced via ATF4-CHOP pathway and is involved in cell death. EMBO J. 24: 1243—1255. PMID 15775988 DOI:10.1038/sj.emboj.7600596
- Su N., Kilberg M.S. (2008). C/EBP homology protein (CHOP) interacts with activating transcription factor 4 (ATF4) and negatively regulates the stress-dependent induction of the asparagine synthetase gene. J. Biol. Chem. 283: 35106—35117. PMID 18940792 DOI:10.1074/jbc.M806874200
- Shoval Y., Berissi H., Kimchi A., Pietrokovski S. (2011). New modularity of DAP-kinases: alternative splicing of the DRP-1 gene produces a ZIPk-like isoform. PLoS ONE. 6: E17344—E17344. PMID 21408167 DOI:10.1371/journal.pone.0017344