ATF2 Gene Summary [Human]

This gene encodes a transcription factor that is a member of the leucine zipper family of DNA binding proteins. The encoded protein has been identified as a moonlighting protein based on its ability to perform mechanistically distinct functions This protein binds to the cAMP-responsive element (CRE), an octameric palindrome. It forms a homodimer or a heterodimer with c-Jun and stimulates CRE-dependent transcription. This protein is also a histone acetyltransferase (HAT) that specifically acetylates histones H2B and H4 in vitro; thus it may represent a class of sequence-specific factors that activate transcription by direct effects on chromatin components. The encoded protein may also be involved in cell's DNA damage response independent of its role in transcriptional regulation. Several alternatively spliced transcript variants have been found for this gene [provided by RefSeq, Jan 2014]

Details

Type
Protein Coding
Official Symbol
ATF2
Official Name
activating transcription factor 2 [Source:HGNC Symbol;Acc:HGNC:784]
Ensembl ID
ENSG00000115966
Bio databases IDs NCBI: 1386 Ensembl: ENSG00000115966
Aliases activating transcription factor 2
Synonyms activating transcription factor 2, CREB-2, CRE-BP, CRE-BP1, D130078H02Rik, HB16, LOC100047997, mXBP, Tg(Gzma-Klra1)7Wum, TREB7
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human ATF2 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • histone acetyltransferase domain
  • transcription regulator
  • cAMP response element binding protein binding
  • transcription activation domain
  • transcription factor binding
  • leucine zipper domain
  • chromatin binding
  • Jnk-binding domain
  • identical protein binding
  • zDHHC ankyrin repeat binding domain
  • bZIP domain
  • RNA polymerase II transcription factor activity, sequence-specific DNA binding
  • basic domain
  • bZIP
  • RNA polymerase II transcription regulatory region sequence-specific binding transcriptional activator activity
  • activation domain
  • histone acetyltransferase
  • dimerization domain
  • protein kinase binding
  • DNA binding domain
  • nucleic acid binding
  • LRR-domain binding
  • Basic region leucine zipper
  • protein binding
  • sequence-specific DNA binding
  • DNA binding
  • phosphorylation site
  • binding protein
  • double-stranded DNA binding
  • protein homodimerization
  • zinc finger domain
  • transcription factor activity
  • protein heterodimerization
  • basic region leucin zipper
  • hydrophobic domain

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
binds
disease
  • neoplasia
  • anemia
  • lymphomagenesis
  • metastasis
  • breast cancer
  • hepatocellular carcinoma
  • liver cancer
  • epithelial cancer
  • cyanosis
  • tumorigenesis
regulated by
role in cell
  • growth
  • cell death
  • expression in
  • production in
  • apoptosis
  • cell viability
  • proliferation
  • activation in
  • phosphorylation in
  • survival

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Nucleus
  • nuclear fraction
  • Cytoplasm
  • cellular membrane
  • mitochondrial outer membrane
  • nucleoplasm
  • chromatin

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human ATF2 gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • negative regulation of angiogenesis
  • detection of cell density
  • vacuole organization
  • outflow tract morphogenesis
  • facial nucleus development
  • cellular lipid metabolic process
  • JNK cascade
  • positive regulation of sequence-specific DNA binding transcription factor activity
  • positive regulation of transcription from RNA polymerase II promoter
  • hemopoietic progenitor cell differentiation
  • white fat cell differentiation
  • negative regulation of transcription from RNA polymerase II promoter
  • NK T cell differentiation
  • motor neuron apoptotic process
  • in utero embryonic development
  • liver development
  • BMP signaling pathway
  • intra-S DNA damage checkpoint
  • mRNA transcription from RNA polymerase II promoter
  • positive regulation of gene expression, epigenetic
  • p38MAPK cascade
  • neurofilament cytoskeleton organization
  • response to osmotic stress
  • abducens nucleus development
  • brainstem development
  • hypoglossal nucleus development
  • regulation of transcription, DNA-dependent
  • response to organic cyclic compound
  • response to DNA damage stimulus
  • adipose tissue development
  • hepatocyte apoptotic process
  • regulation of transcription from RNA polymerase II promoter
  • positive regulation of transforming growth factor beta2 production
  • protein import into nucleus
  • positive regulation of gene expression
  • growth plate cartilage chondrocyte differentiation
  • positive regulation of protein phosphorylation
  • growth plate cartilage chondrocyte proliferation
  • cellular response to oxidative stress
  • peptidyl-threonine phosphorylation

Cellular Component

Where in the cell the gene product is active
  • nucleus
  • site of double-strand break
  • cytoplasm
  • mitochondrial outer membrane
  • chromatin
  • nucleoplasm

Molecular Function

What the gene product does at the molecular level
  • cAMP response element binding protein binding
  • protein kinase binding
  • identical protein binding
  • cAMP response element binding
  • protein homodimerization activity
  • RNA polymerase II core promoter proximal region sequence-specific DNA binding
  • RNA polymerase II regulatory region sequence-specific DNA binding
  • core promoter proximal region sequence-specific DNA binding
  • H2B histone acetyltransferase activity
  • RNA polymerase II transcription regulatory region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription
  • leucine zipper domain binding
  • sequence-specific DNA binding RNA polymerase II transcription factor activity
  • histone acetyltransferase activity
  • sequence-specific DNA binding transcription factor activity
  • protein binding
  • protein heterodimerization activity
  • metal ion binding
  • H4 histone acetyltransferase activity

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