TGF-beta receptor: Difference between revisions

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<StructureSection load='1ktz' size='340' side='right' caption='Human hTGFBR-II extracellular domain (green) complex with TGF-β3 (grey) (PDB code [[1ktz]])' scene=''>
<StructureSection load='1ktz' size='340' side='right' caption='Human hTGFR-II extracellular domain (green) complex with TGF-β3 (grey) (PDB code [[1ktz]])' scene=''>
__TOC__
__TOC__
== Function ==
== Function ==
'''TGF-β receptors''' (Transforming Growth Factor) (TGFBR) are serine/threonine kinase receptors.  They are involved in paracrine signaling and are found in many types of tissue.  TGF-β ligands include bone morphogenetic proteins, growth and initiation factors, anti-Mullerian hormone, activin, nodal TGF-β<ref>PMID:21294712</ref>.  There are 3 types of TGFBR:    <br />
'''TGF-β receptors''' (Transforming Growth Factor) (TGFR) are [[serine/threonine kinase]] receptors.  They are involved in paracrine signaling and are found in many types of tissue.  TGF-β ligands include bone morphogenetic proteins, growth and initiation factors, anti-Mullerian hormone, activin, nodal TGF-β<ref>PMID:9525694</ref>.  There are 3 types of TGFR:    <br />
*'''TGFBR I''' forms heteromeric complex with TGFBR II when it is bound to TGF-β.  The complex transduces the TGF-β signal from the cell surface to the cytoplasm by phosphorylating proteins which regulate the transcription of genes related to cell proliferation.  TGFBR I has high affinity for TGF-β1 and low affinity for TGF-β2. <br />   
*'''TGFR I''' forms heteromeric complex with TGFR II when it is bound to TGF-β.  The complex transduces the TGF-β signal from the cell surface to the cytoplasm by phosphorylating proteins which regulate the transcription of genes related to cell proliferation.  TGFR I has high affinity for TGF-β1 and low affinity for TGF-β2. <br />   
*'''TGFBR II''' is a tumor suppressor transmembrane protein.  TGFBR II has high affinity for TGF-β1 and low affinity for TGF-β2. <br />
*'''TGFR II''' is a tumor suppressor transmembrane protein.  TGFR II has high affinity for TGF-β1 and low affinity for TGF-β2. <br />
*'''TGFBR III''' is a cell-surface chondroitin sulfate / heparin sulfate proteoglycan.  It acts as a reservoir of ligand for TGFBRs.  TGFBR III has high affinity for TGF-β1, TGF-β2 and TGF-β1.2.
*'''TGFR III''' is a cell-surface chondroitin sulfate / heparin sulfate proteoglycan.  It acts as a reservoir of ligand for TGFRs.  TGFR III has high affinity for TGF-β1, TGF-β2 and TGF-β1.2.
 
See also [[Receptor]], [[TGF beta signaling pathway]], and [[Growth factors]].


== Disease ==
== Disease ==


Over-expression of TGF causes kidney disease, diabetes and renal disease.  Mutations in TGFBR II cause various types of tumors<ref>PMID:23884466</ref>.
Over-expression of TGF causes kidney disease, diabetes and renal disease.  Mutations in TGFR II cause various types of tumors<ref>PMID:23884466</ref>.


== Structural highlights ==
== Structural highlights ==
TGFBR structure contains a 100-140 residues ligand-binding N-terminal extracellular domain; a transmembrane domain;  a 350-400 amino acid cytoplasmic kinase domain; and a C-terminal zona pellucida (ZP) domain of ca 260 residues which has a role in protein polymerization.
TGFR structure contains a 100-140 residues ligand-binding N-terminal extracellular domain; a transmembrane domain;  a 350-400 amino acid cytoplasmic kinase domain; and a C-terminal zona pellucida (ZP) domain of ca 260 residues which has a role in protein polymerization.
 
== 3D Structures of TGF-beta receptor==
[[TGF-beta receptor 3D structures]]


</StructureSection>
</StructureSection>


== 3D Structures of TGF-β receptor==
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
{{#tree:id=OrganizedByTopic|openlevels=0|
* TGF-β receptor I
**[[1ias]] – hTGFBR-I kinase domain – human  <br />
**[[2l5s]] – hTGFBR-I extracellular domain - NMR<br />
**[[1b6c]] – hTGFBR-I kinase domain + FKBP12 <br />
**[[1py5]], [[3faa]], [[3gxl]], [[3hmm]], [[2wot]], [[2wou]], [[3kcf]], [[2x7o]], [[3tzm]], [[4x0m]], [[4x2j]], [[4x2k]], [[4x2n]] – hTGFBR-I kinase domain + inhibitor  <br />
**[[1vjy]] – hTGFBR-I residues 1-303 + inhibitor  <br />
**[[1rw8]] – hTGFBR-I truncated kinase domain + inhibitor  <br />
* TGF-β receptor II
**[[1m9z]] – hTGFBR-II extracellular domain <br />
**[[1plo]], [[4p7u]] – hTGFBR-II extracellular domain (mutant) - NMR<br />
**[[1ks6]] – cTGFBR-II extracellular domain - chicken<br />
**[[1ktz]] – hTGFBR-II extracellular domain + TGF-β3  <br />
* TGF-β receptor III
**[[3qw9]] – TGFBR-III ZP-C domain - rat<br />
**[[4ajv]] – TGFBR-III ZP-C domain - mouse<br />
* TGF-β receptor I+II
**[[2pjy]] – hTGFBR-I extracellular domain (mutant) +  hTGFBR-II extracellular domain (mutant) + TGF-β3  <br />
**[[3kfd]] – hTGFBR-I extracellular domain +  hTGFBR-II extracellular domain + TGF-β1  <br />
}}
== References ==
== References ==
<references/>
<references/>
[[Category:Topic Page]]
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