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  3. ACVR2B

ACVR2B (Activin A receptor type 2B)

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The Function of ACVR2B

Transmembrane serine/threonine kinase activin type-2 receptor forming an activin receptor complex with activin type-1 serine/threonine kinase receptors (ACVR1, ACVR1B or ACVR1c). Transduces the activin signal from the cell surface to the cytoplasm and is thus regulating many physiological and pathological processes including neuronal differentiation and neuronal survival, hair follicle development and cycling, FSH production by the pituitary gland, wound healing, extracellular matrix production, immunosuppression and carcinogenesis. Activin is also thought to have a paracrine or autocrine role in follicular development in the ovary. Within the receptor complex, the type-2 receptors act as a primary activin receptors (binds activin-A/INHBA, activin-B/INHBB as well as inhibin-A/INHA-INHBA). The type-1 receptors like ACVR1B act as downstream transducers of activin signals. Activin binds to type-2 receptor at the plasma membrane and activates its serine-threonine kinase. The activated receptor type-2 then phosphorylates and activates the type-1 receptor. Once activated, the type-1 receptor binds and phosphorylates the SMAD proteins SMAD2 and SMAD3, on serine residues of the C-terminal tail. Soon after their association with the activin receptor and subsequent phosphorylation, SMAD2 and SMAD3 are released into the cytoplasm where they interact with the common partner SMAD4. This SMAD complex translocates into the nucleus where it mediates activin-induced transcription. Inhibitory SMAD7, which is recruited to ACVR1B through FKBP1A, can prevent the association of SMAD2 and SMAD3 with the activin receptor complex, thereby blocking the activin signal. Activin signal transduction is also antagonized by the binding to the receptor of inhibin-B via the IGSF1 inhibin coreceptor.

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Protein names

Recommended name:

Activin receptor type-2B

Short name:

ACTR-IIB

Alternative name(s):

Activin receptor type IIB

Top Gene-Substance Interactions

Substances That Increase ACVR2B

Substances Interaction Organism Category

Substances That Decrease ACVR2B

Substances Interaction Organism Category

Conditions with Increased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Conditions with Decreased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Technical

The following transcription factors affect gene expression:

  • STAT3
  • STAT5A
  • c-Myc
  • FAC1
  • STAT1
  • STAT1beta
  • STAT1alpha
  • STAT2

Gene Pathways:

  • Signal Transduction
  • Cytokine-cytokine receptor interaction
  • TGF-beta signaling pathway

Molecular Function:

  • Atp Binding
  • Growth Factor Binding
  • Metal Ion Binding
  • Protein Serine/Threonine/Tyrosine Kinase Activity
  • Protein Serine/Threonine Kinase Activity
  • Signal Transducer, Downstream Of Receptor, With Serine/Threonine Kinase Activity
  • Transmembrane Receptor Protein Serine/Threonine Kinase Activity

Biological Processes:

  • Activation Of Protein Kinase Activity
  • Activin Receptor Signaling Pathway
  • Anterior/Posterior Pattern Specification
  • Artery Development
  • Blood Vessel Remodeling
  • Bmp Signaling Pathway
  • Determination Of Left/Right Symmetry
  • Embryonic Foregut Morphogenesis
  • Gastrulation With Mouth Forming Second
  • Heart Development
  • Insulin Secretion
  • Kidney Development
  • Lung Development
  • Lymphangiogenesis
  • Lymphatic Endothelial Cell Differentiation
  • Mesoderm Development
  • Negative Regulation Of Transcription From Rna Polymerase Ii Promoter
  • Odontogenesis Of Dentin-Containing Tooth
  • Organ Growth
  • Palate Development
  • Pancreas Development
  • Positive Regulation Of Activin Receptor Signaling Pathway
  • Positive Regulation Of Bone Mineralization
  • Positive Regulation Of Osteoblast Differentiation
  • Post-Embryonic Development
  • Regulation Of Transcription, Dna-Templated
  • Response To Glucose
  • Retina Vasculature Development In Camera-Type Eye
  • Signal Transduction
  • Skeletal System Morphogenesis
  • Transmembrane Receptor Protein Serine/Threonine Kinase Signaling Pathway
  • Venous Blood Vessel Development
*synonyms

Synonyms/Aliases/Alternative Names of the Gene:

hypothetical protein| activin A receptor, type IIA| activin receptor type-2A| activin type IIB receptor| ACTRIIB| A306_10589| activin A receptor type IIB| activin A receptor, type IIB| Activine receptor 2b (transmembrane serine kinase)| activin receptor IIB| activin receptor type 2B| activin receptor type-2B| activin receptor type IIB| actr2b| ACTR-IIB| ActRIIB type II activin receptor B| ACVR2A| AS27_08297| AS28_01762| EH28_07624| H920_00273| HTX4| M91_20969| M959_04454| MDA_GLEAN10009734| N300_13497| N301_12961| N302_04450| N303_03775| N305_04057| N306_13136| N307_06381| N308_12979| N309_09420| N311_05449| N320_07454| N321_08512| N322_02017| N324_00704| N325_12099| N326_01830| N327_08309| N328_05986| N329_01777| N332_03979| N333_12403| N336_06878| N340_03156| N341_06481| PAL_GLEAN10001274| testicular activin receptor IIB| UY3_06697| XAR1| Y1Q_005108| Y956_14082| Z169_01057| acvr2b

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