gamma-catenin binding
Definition
Target type: molecularfunction
Binding to catenin complex gamma subunit. [GOC:bf]
Gamma-catenin binding is a crucial molecular interaction involved in the regulation of cell adhesion and signaling pathways. It is primarily mediated by the protein gamma-catenin, also known as plakoglobin, which acts as a linker molecule connecting cadherin adhesion receptors to the actin cytoskeleton. This binding event plays a pivotal role in maintaining cell-cell junctions, promoting cell-cell adhesion, and orchestrating various cellular processes, including:
- **Adherens Junction Formation and Stability:** Gamma-catenin, through its binding to cadherins, contributes to the assembly and stability of adherens junctions, which are specialized cell-cell adhesion structures that play a vital role in tissue integrity and development.
- **Signal Transduction:** Gamma-catenin serves as a platform for the recruitment and activation of various signaling molecules, including kinases and phosphatases, that regulate cell growth, differentiation, and survival.
- **Actin Cytoskeleton Dynamics:** By binding to both cadherins and actin filaments, gamma-catenin links the cell adhesion machinery to the underlying cytoskeleton, thereby influencing cytoskeletal organization and cell shape.
- **Cell Migration and Morphogenesis:** Gamma-catenin's ability to regulate cell adhesion and cytoskeletal dynamics is critical for processes like cell migration, wound healing, and embryonic development.
- **Tumor Suppression:** Gamma-catenin has been implicated in tumor suppression, with studies showing its involvement in suppressing cell proliferation and promoting cell adhesion.
In summary, gamma-catenin binding is a complex and essential molecular interaction that underpins various fundamental cellular processes, highlighting its significance in maintaining tissue integrity, regulating cell signaling, and contributing to normal physiological function.'
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Proteins (4)
| Protein | Definition | Taxonomy |
|---|---|---|
| Transcription factor 7-like 2 | A transcription factor 7-like 2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9NQB0] | Homo sapiens (human) |
| Receptor-type tyrosine-protein phosphatase eta | A receptor-type tyrosine-protein phosphatase eta that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q12913] | Homo sapiens (human) |
| Adenomatous polyposis coli protein | An adenomatous polyposis coli protein that is encoded in the genome of human. [PMID:11283619, PMID:20823832, PRO:KER] | Homo sapiens (human) |
| Cadherin-1 | A cadherin-1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:P12830] | Homo sapiens (human) |
Compounds (12)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| 1-(2-naphthalenyl)-3-[(phenylmethyl)-propan-2-ylamino]-1-propanone | ZM39923: structure in first source | naphthalenes | |
| beta-lapachone | beta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities. beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase | benzochromenone; orthoquinones | anti-inflammatory agent; antineoplastic agent; plant metabolite |
| vitamin k 3 | Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 1,4-naphthoquinones; vitamin K | angiogenesis inhibitor; antineoplastic agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; human urinary metabolite; nutraceutical |
| salvin | salvin: a biocyclic diterpenoid; from sage and rosemary (Lamiaceae) | abietane diterpenoid; carbotricyclic compound; catechols; monocarboxylic acid | angiogenesis modulating agent; anti-inflammatory agent; antineoplastic agent; antioxidant; apoptosis inducer; food preservative; HIV protease inhibitor; plant metabolite |
| toxoflavin | toxoflavin : A pyrimidotriazine that is 1,6-dimethyl-1,5,6,7-tetrahydropyrimido[5,4-e][1,2,4]triazine with oxo groups at positions 5 and 7. toxoflavin: azapteridine antibiotic; structure | carbonyl compound; pyrimidotriazine | antibacterial agent; antineoplastic agent; apoptosis inducer; bacterial metabolite; toxin; virulence factor; Wnt signalling inhibitor |
| celastrol | monocarboxylic acid; pentacyclic triterpenoid | anti-inflammatory drug; antineoplastic agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; Hsp90 inhibitor; metabolite | |
| nsc 95397 | 1,4-naphthoquinones | ||
| cercosporin | cercosporin : An organic heterohexacyclic compound that is perylo[1,12-def][1,3]dioxepine-6,11-dione substituted by hydroxy groups at positions 5 and 12, by methoxy groups at positions 7 and 10, and by 2-hydroxypropyl groups at positions 8 and 9 (the R,R-stereoisomer). It is a phytotoxin which was first isolated from the pathogenic soybean fungus, Cercospora kikuchii and later found in multiple members of the genus Cercospora. cercosporin: phyytotoxin from Cercospora beticola Sacc; posses photodynamic action on mice, bacteria & plants | ||
| ag-213 | tyrphostin 47: inhibits protein-tyrosine kinase activity of EGF-R both in vitro and in living cells; | ||
| rottlerin | rottlerin : A chromenol that is 2,2-dimethyl-2H-chromene substituted by hydroxy groups at positions 5 and 7, a 3-acetyl-2,4,6-trihydroxy-5-methylbenzyl group at position 6 and a (1E)-3-oxo-1-phenylprop-1-en-3-yl group at position 8. A potassium channel opener, it is isolated from Mallotus philippensis. rottlerin: an angiogenesis inhibitor; an inhibitor of protein kinase Cdelta (PKCdelta) and calmodulin kinase III; RN refers to (E)-isomer; do not confuse this chalcone with an anthraquinone that is also called rottlerin (RN 481-72-1); | aromatic ketone; benzenetriol; chromenol; enone; methyl ketone | anti-allergic agent; antihypertensive agent; antineoplastic agent; apoptosis inducer; K-ATP channel agonist; metabolite |
| gw-5074 | |||
| ucn 1028 c | calphostin C: structure given in first source; isolated from Cladosporium cladosporioides |