Centromere protein: Difference between revisions

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New page: <StructureSection load='3vh5' size='340' side='right' caption='Caption for this structure' scene=''> == Function == '''Centromere proteins''' (CENP) X,S,W,T make up the kinetochore stru...
 
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<StructureSection load='3vh5' size='350' side='right' caption='Structure of chicken CENP-X (yellow), CENP-S (cyan), CENP-W (magenta) and CENP-T C-terminal (green) (PDB code [[3vh5]]).' scene='59/596426/Cv/1'>
<StructureSection load='3vh5' size='340' side='right' caption='Caption for this structure' scene=''>
__TOC__
 
== Function ==
== Function ==


'''Centromere proteins''' (CENP) X,S,W,T make up the kinetochore structure on chromatids where the spindle fibers attach during cell division to pull the chromatids apart. <br />
'''Centromere proteins''' (CENP) X,S,W,T make up the kinetochore structure on chromatids where the spindle fibers attach during cell division to pull the chromatids apart. <br />
• '''CENP-X''' is a component of the Fanconi Anemia core. <br />
• '''CENP-X''' is a component of the Fanconi Anemia core. <br />
•      '''CENP-B''' facilitates centromere formation.<br />
•      '''CENP-B''' facilitates centromere formation.<ref>PMID:11726497</ref><br />
• '''CENP-A''' is a component of modified nucleosome replacing hitone H3.<br />
• '''CENP-A''' is a component of modified nucleosome replacing hitone H3.<ref>PMID:20739937</ref><br />
• '''CENP-E''' is a motor protein involved inchromosome movement.<br />
• '''CENP-E''' is a motor protein involved in chromosome movement.<ref>PMID:15159587</ref><br />
• '''CENP-M''' is involved in the kinetochore assembly.<br />
• '''CENP-I''' regulates the recruitment of kinetochore-associated proteins that are required to generate the spindle checkpoint signal.<br />
*  '''Inner centromere protein''' (INCENP) is a component of the chromosomal passenger complex which regulates mitosis.  INCENP are localized at the centromeres during mid-metaphase of the cell cycle.
• '''CENP-M''' and '''CENP-N''' are involved in the kinetochore assembly.<ref>PMID:25006165</ref><br />
• '''Kinetochore''' is a complex essential for accurate chromosome segregation.<ref>PMID:16214339</ref><br />
• '''CENP-mis12''' from fission yeast is required for correct spindle morphogenesis<ref>PMID:10398680</ref>.<br />
*  '''Inner centromere protein''' (INCENP) is a component of the chromosomal passenger complex which regulates mitosis.  INCENP are localized at the centromeres during mid-metaphase of the cell cycle.<ref>PMID:17956729</ref>
• '''CBF3''' is a yeast complex which interacts with centromeric DNA and mediates nucleosome deposition.<ref>PMID:30478265</ref><br />


== Disease ==
== Disease ==
CENP-A is overexpressed in colon cancer.  A synonymous single nucleotide polymorphism (SNP) in INCENP is associated with breast cancer risk<ref>PMID:25586992</ref>.


== Relevance ==
== Relevance ==
CENP-B is a potential marker for lung cancer.


== Structural highlights ==
== Structural highlights ==
<scene name='59/596426/Cv/2'>Chicken CENP-T histone fold/CENP-W/CENP-S/CENP-X heterotetrameric complex</scene> (PDB code [[3vh5]]).<ref>PMID:22304917</ref>


==3D structures of centromere protein==
==3D structures of centromere protein==
[[Centromere protein 3D structure]]


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
</StructureSection>
 
===Centromere proteins X, S, W, T===
 
[[3b0b]] – cCENP-X + CENP-S – chicken<br />
[[4dra]], [[4e44]], [[4ne3]], [[4ne5]], [[4ne6]] – hCENP-X + CENP-S – human<br />
[[3vh5]], [[3vh6]] – cCENP-X + CENP-S + CENP-W + CENP-T C-terminal (mutant)<br />
[[4drb]], [[4e45]] – hCENP-X + CENP-S + Fanconi anemia group M protein<br />
[[4ndy]], [[4ne1]] – hCENP-X + CENP-S + DNA<br />
[[3b0c]], [[3b0d]] – cCENP-T + CENP-W<br />
[[3vza]] – cCENP-T residues 63-98 (mutant) + Spc24 + Spc25<br />
 
===Inner centromere protein===
 
[[2bfx]], [[4b8l]] – fINCENP residues 798-840 + aurora kinase – frog<br />
[[2bfy]] – fINCENP residues 798-840 + aurora kinase + hesperadin<br />
[[2vgp]], [[2vrx]], [[3ztx]], [[4b8m]] – fINCENP residues 798-840 + aurora kinase + inhibitor<br />
[[4af3]] – hINCENP residues 835-903 + aurora kinase + inhibitor<br />
[[2vgo]] – fINCENP residues 798-840 + aurora kinase + reversine<br />
[[4c2v]] – fINCENP residues 798-840 + aurora kinase + barasertib<br />
[[4c2w]] – fINCENP residues 798-840 + aurora kinase + AMPPNP<br />
[[2qfa]] – hINCENP residues 1-47 + surviving + borealin<br />
 
===Centromere protein A===
 
[[3nqu]] – hCENP-A + histone H4<br />
[[3nqj]] – hCENP-A residues 60-140 + histone H4<br />
[[3r45]] – hCENP-A + histone H4 + Holiday junction recognition protein<br />
[[3an2]] – hCENP-A + histone H4 + histone H2A + histone H2B + DNA<br />
 
===Centromere protein B===
 
[[1bw6]] – hCENP-B DNA-binding domain - NMR<br />
[[1ufi]] – hCENP-B dimerization domain <br />
[[1hlv]] – hCENP-B DNA-binding domain + DNA<br />
 
===Centromere protein E===
 
[[1t5c]] – hCENP-E motor domain<br />
 
===Centromere protein M===
 
[[4p0t]] – hCENP-M<br />
 


== References ==
== References ==

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky