Tumor necrosis factor: Difference between revisions

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<StructureSection load='2az5' size='350' side='right' caption='Structure of human tumor necrosis factor tetramer complex with inhibitor (PDB entry [[2az5]])' scene=''>
<StructureSection load='' size='350' side='right' caption='Structure of human tumor necrosis factor tetramer complex with inhibitor (PDB entry [[2az5]])' scene='55/551212/Cv/1'>
== Function ==
== Function ==
'''Tumor necrosis factor''' (TNF) is a cytokine which can cause apoptosis.  '''TNFα''' is implicated in tumor regression, septic shock, inflammation and cachexia (wasting syndrome).  It is involved in the regulation of the immune cells<ref>PMID:11514191</ref>.  '''TNFβ''' is inhibited by interleukin 10.  TNF is a transmembrane homotrimer.  The soluble TNF is produced by cleavage by the metalloprotease TNFα-converting enzyme (TACE or ADAM17 see [[A Disintegrin And Metalloproteinase]]).   
'''Tumor necrosis factor''' (TNF) is a cytokine which can cause apoptosis.  '''TNFα''' is implicated in tumor regression, septic shock, inflammation and cachexia (wasting syndrome).  It is involved in the regulation of the immune cells<ref>PMID:11514191</ref>.  '''TNFβ''' is inhibited by interleukin 10.  TNF is a transmembrane homotrimer.  The soluble TNF is produced by cleavage by the metalloprotease TNFα-converting enzyme (TACE or ADAM17 see [[A Disintegrin And Metalloproteinase]]). See also [[TRAIL]] and [[Molecular Playground/TRAIL]].   


== Relevance ==
== Relevance ==
TNF is studied as both a target and a therapeutic in malignant diseases<ref>PMID:19343034</ref>.
TNF is studied as both a target and a therapeutic in malignant diseases<ref>PMID:19343034</ref>.
</StructureSection>
== 3D Structures of tumor necrosis factor ==


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
== Structural highlights ==
{{#tree:id=OrganizedByTopic|openlevels=0|
The biological assembly of human tumor necrosis factor is <scene name='55/551212/Cv/4'>homotetramer</scene> (PDB entry [[2az5]]). <scene name='55/551212/Cv/5'>Inhibitor binding site</scene>.


*TNF α


**[[1tnf]] – hTNF – human  <BR />
== 3D Structures of tumor necrosis factor ==
**[[2tun]], [[1a8m]], [[4tsv]], [[5tsw]], [[2e7e]], [[2zjc]], [[2zpx]] – hTNF (mutant)  <BR />
**[[2tnf]] – TNF – mouse  <BR />
**[[2az5]] – hTNF + inhibitor  <BR />
**[[3it8]] – hTNF + poxvirus 2L protein  <BR />
**[[3l9j]] – hTNF + antagonist  <BR />
**[[3alq]] – hTNF (mutant) + TNF receptor  <BR />
**[[4g3y]], [[3wd5]] – hTNF + antibody  <BR />
**[[4twt]] – hTNF + peptide  <BR />


*TNF β
[[Tumor necrosis factor 3D structures]]


**[[1tnr]] – hTNF + TNF receptor p55  <BR />
*TNF
**[[2vfj]] – hTNF ovarian tumor domain  <BR />
}}
== References ==
== References ==
<references/>
<references/>
</StructureSection>
[[Category:Topic Page]]
[[Category:Topic Page]]

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Michal Harel, Alexander Berchansky, Joel L. Sussman