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[[Image:2hth.png|left|200px]]


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==Structural basis for ubiquitin recognition by the human EAP45/ESCRT-II GLUE domain==
The line below this paragraph, containing "STRUCTURE_2hth", creates the "Structure Box" on the page.
<StructureSection load='2hth' size='340' side='right'caption='[[2hth]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2hth]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HTH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HTH FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.7&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2hth FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hth OCA], [https://pdbe.org/2hth PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hth RCSB], [https://www.ebi.ac.uk/pdbsum/2hth PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hth ProSAT]</span></td></tr>
{{STRUCTURE_2hth| PDB=2hth |  SCENE= }}
</table>
== Function ==
[https://www.uniprot.org/uniprot/UBC_HUMAN UBC_HUMAN] Ubiquitin exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-6-linked may be involved in DNA repair; Lys-11-linked is involved in ERAD (endoplasmic reticulum-associated degradation) and in cell-cycle regulation; Lys-29-linked is involved in lysosomal degradation; Lys-33-linked is involved in kinase modification; Lys-48-linked is involved in protein degradation via the proteasome; Lys-63-linked is involved in endocytosis, DNA-damage responses as well as in signaling processes leading to activation of the transcription factor NF-kappa-B. Linear polymer chains formed via attachment by the initiator Met lead to cell signaling. Ubiquitin is usually conjugated to Lys residues of target proteins, however, in rare cases, conjugation to Cys or Ser residues has been observed. When polyubiquitin is free (unanchored-polyubiquitin), it also has distinct roles, such as in activation of protein kinases, and in signaling.<ref>PMID:16543144</ref> <ref>PMID:19754430</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ht/2hth_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2hth ConSurf].
<div style="clear:both"></div>


===Structural basis for ubiquitin recognition by the human EAP45/ESCRT-II GLUE domain===
==See Also==
 
*[[Vacuolar protein sorting-associated protein 3D structures|Vacuolar protein sorting-associated protein 3D structures]]
 
*[[3D structures of ubiquitin|3D structures of ubiquitin]]
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== References ==
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<references/>
(as it appears on PubMed at http://www.pubmed.gov), where 17057716 is the PubMed ID number.
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</StructureSection>
{{ABSTRACT_PUBMED_17057716}}
 
==About this Structure==
2HTH is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HTH OCA].
 
==Reference==
Structural basis for ubiquitin recognition by the human ESCRT-II EAP45 GLUE domain., Alam SL, Langelier C, Whitby FG, Koirala S, Robinson H, Hill CP, Sundquist WI, Nat Struct Mol Biol. 2006 Nov;13(11):1029-30. Epub 2006 Oct 22. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17057716 17057716]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein complex]]
[[Category: Large Structures]]
[[Category: Alam, S L.]]
[[Category: Alam SL]]
[[Category: Hill, C P.]]
[[Category: Hill CP]]
[[Category: Sundquist, W I.]]
[[Category: Sundquist WI]]
[[Category: Whitby, F G.]]
[[Category: Whitby FG]]
[[Category: Glue domain]]
[[Category: Ph domain]]
[[Category: Protein sorting]]
[[Category: Ubiquitin complex]]
[[Category: Viral budding]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 04:26:00 2008''

Latest revision as of 12:34, 14 February 2024

Structural basis for ubiquitin recognition by the human EAP45/ESCRT-II GLUE domainStructural basis for ubiquitin recognition by the human EAP45/ESCRT-II GLUE domain

Structural highlights

2hth is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.7Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

UBC_HUMAN Ubiquitin exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-6-linked may be involved in DNA repair; Lys-11-linked is involved in ERAD (endoplasmic reticulum-associated degradation) and in cell-cycle regulation; Lys-29-linked is involved in lysosomal degradation; Lys-33-linked is involved in kinase modification; Lys-48-linked is involved in protein degradation via the proteasome; Lys-63-linked is involved in endocytosis, DNA-damage responses as well as in signaling processes leading to activation of the transcription factor NF-kappa-B. Linear polymer chains formed via attachment by the initiator Met lead to cell signaling. Ubiquitin is usually conjugated to Lys residues of target proteins, however, in rare cases, conjugation to Cys or Ser residues has been observed. When polyubiquitin is free (unanchored-polyubiquitin), it also has distinct roles, such as in activation of protein kinases, and in signaling.[1] [2]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Huang F, Kirkpatrick D, Jiang X, Gygi S, Sorkin A. Differential regulation of EGF receptor internalization and degradation by multiubiquitination within the kinase domain. Mol Cell. 2006 Mar 17;21(6):737-48. PMID:16543144 doi:S1097-2765(06)00120-1
  2. ↑ Komander D. The emerging complexity of protein ubiquitination. Biochem Soc Trans. 2009 Oct;37(Pt 5):937-53. doi: 10.1042/BST0370937. PMID:19754430 doi:10.1042/BST0370937

2hth, resolution 2.70Å

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