5fit: Difference between revisions

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[[Image:5fit.png|left|200px]]


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==FHIT-SUBSTRATE ANALOG==
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<StructureSection load='5fit' size='340' side='right'caption='[[5fit]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[5fit]] is a 1 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=5FIT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5FIT FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AP2:PHOSPHOMETHYLPHOSPHONIC+ACID+ADENOSYL+ESTER'>AP2</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
{{STRUCTURE_5fit|  PDB=5fit  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5fit FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5fit OCA], [https://pdbe.org/5fit PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5fit RCSB], [https://www.ebi.ac.uk/pdbsum/5fit PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5fit ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/FHIT_HUMAN FHIT_HUMAN] Note=A chromosomal aberration involving FHIT has been found in a lymphoblastoid cell line established from a family with renal cell carcinoma and thyroid carcinoma. Translocation t(3;8)(p14.2;q24.1) with RNF139. Although the 3p14.2 breakpoint has been shown to interrupt FHIT in its 5-prime non-coding region, it is unlikely that FHIT is causally related to renal or other malignancies.<ref>PMID:15007172</ref>  Note=Associated with digestive tract cancers. Numerous tumor types are found to have aberrant forms of FHIT protein due to deletions in a coding region of chromosome 3p14.2 including the fragile site locus FRA3B.<ref>PMID:15007172</ref>
== Function ==
[https://www.uniprot.org/uniprot/FHIT_HUMAN FHIT_HUMAN] Cleaves A-5'-PPP-5'A to yield AMP and ADP. Possible tumor suppressor for specific tissues.<ref>PMID:8794732</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fi/5fit_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=5fit ConSurf].
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== Publication Abstract from PubMed ==
The histidine triad (HIT) protein family is among the most ubiquitous and highly conserved in nature, but a biological activity has not yet been identified for any member of the HIT family. Fragile histidine triad protein (FHIT) and protein kinase C interacting protein (PKCI) were used in a structure-based approach to elucidate characteristics of in vivo ligands and reactions. Crystallographic structures of apo, substrate analog, pentacovalent transition-state analog, and product states of both enzymes reveal a catalytic mechanism and define substrate characteristics required for catalysis, thus unifying the HIT family as nucleotidyl hydrolases, transferases, or both. The approach described here may be useful in identifying structure-function relations between protein families identified through genomics.


===FHIT-SUBSTRATE ANALOG===
Structure-based analysis of catalysis and substrate definition in the HIT protein family.,Lima CD, Klein MG, Hendrickson WA Science. 1997 Oct 10;278(5336):286-90. PMID:9323207<ref>PMID:9323207</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==See Also==
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*[[Histidine triad nucleotide-binding protein 3D structures|Histidine triad nucleotide-binding protein 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 9323207 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_9323207}}
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</StructureSection>
==About this Structure==
5FIT is a [[Single protein]] structure of sequence 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=5FIT OCA].
 
==Reference==
Structure-based analysis of catalysis and substrate definition in the HIT protein family., Lima CD, Klein MG, Hendrickson WA, Science. 1997 Oct 10;278(5336):286-90. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9323207 9323207]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Hendrickson, W A.]]
[[Category: Hendrickson WA]]
[[Category: Klein, M G.]]
[[Category: Klein MG]]
[[Category: Lima, C D.]]
[[Category: Lima CD]]
[[Category: Fhit]]
[[Category: Fragile histidine triad protein]]
[[Category: Histidine triad protein family]]
[[Category: Hit protein family]]
[[Category: Hydrolase]]
[[Category: Nucleotidyl hydrolase]]
[[Category: Nucleotidyl transferase]]
[[Category: Putative tumor suppressor]]
 
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