2l5d: Difference between revisions

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New page: '''Unreleased structure''' The entry 2l5d is ON HOLD Authors: Zeng, L., Zhang, Q., Yan, K., Zhou, M. Description: Solution Structures of human PIWI-like 1 PAZ domain with ssRNA (5'-pUG...
 
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'''Unreleased structure'''
==Solution Structures of human PIWI-like 1 PAZ domain with ssRNA (5'-pUGACA)==
 
<StructureSection load='2l5d' size='340' side='right' caption='[[2l5d]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
The entry 2l5d is ON HOLD
== Structural highlights ==
 
<table><tr><td colspan='2'>[[2l5d]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L5D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2L5D FirstGlance]. <br>
Authors: Zeng, L., Zhang, Q., Yan, K., Zhou, M.
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PIWIL1, HIWI ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
 
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2l5d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l5d OCA], [http://pdbe.org/2l5d PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2l5d RCSB], [http://www.ebi.ac.uk/pdbsum/2l5d PDBsum]</span></td></tr>
Description: Solution Structures of human PIWI-like 1 PAZ domain with ssRNA (5'-pUGACA)
</table>
 
== Function ==
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Nov 10 06:23:49 2010''
[[http://www.uniprot.org/uniprot/PIWL1_HUMAN PIWL1_HUMAN]] Plays a central role during spermatogenesis by repressing transposable elements and prevent their mobilization, which is essential for the germline integrity. Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and govern the methylation and subsequent repression of transposons. Directly binds methylated piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. Besides their function in transposable elements repression, piRNAs are probably involved in other processes during meiosis such as translation regulation. Probable component of some RISC complex, which mediates RNA cleavage and translational silencing. Also plays a role in the formation of chromatoid bodies and is required for some miRNAs stability (By similarity). Isoform 3 may be a negative developmental regulator.<ref>PMID:12037681</ref> <ref>PMID:14749716</ref> <ref>PMID:16287078</ref> 
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Human]]
[[Category: Yan, K]]
[[Category: Zeng, L]]
[[Category: Zhang, Q]]
[[Category: Zhou, M]]
[[Category: Paz]]
[[Category: Pirna]]
[[Category: Piwi]]
[[Category: Rna binding protein-rna complex]]
[[Category: Ssrna]]

Latest revision as of 03:12, 11 September 2015

Solution Structures of human PIWI-like 1 PAZ domain with ssRNA (5'-pUGACA)Solution Structures of human PIWI-like 1 PAZ domain with ssRNA (5'-pUGACA)

Structural highlights

2l5d is a 2 chain structure with sequence from Human. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Gene:PIWIL1, HIWI (HUMAN)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum

Function

[PIWL1_HUMAN] Plays a central role during spermatogenesis by repressing transposable elements and prevent their mobilization, which is essential for the germline integrity. Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and govern the methylation and subsequent repression of transposons. Directly binds methylated piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. Besides their function in transposable elements repression, piRNAs are probably involved in other processes during meiosis such as translation regulation. Probable component of some RISC complex, which mediates RNA cleavage and translational silencing. Also plays a role in the formation of chromatoid bodies and is required for some miRNAs stability (By similarity). Isoform 3 may be a negative developmental regulator.[1] [2] [3]

References

  1. ↑ Qiao D, Zeeman AM, Deng W, Looijenga LH, Lin H. Molecular characterization of hiwi, a human member of the piwi gene family whose overexpression is correlated to seminomas. Oncogene. 2002 Jun 6;21(25):3988-99. PMID:12037681 doi:10.1038/sj.onc.1205505
  2. ↑ Tahbaz N, Kolb FA, Zhang H, Jaronczyk K, Filipowicz W, Hobman TC. Characterization of the interactions between mammalian PAZ PIWI domain proteins and Dicer. EMBO Rep. 2004 Feb;5(2):189-94. Epub 2004 Jan 16. PMID:14749716 doi:10.1038/sj.embor.7400070
  3. ↑ Liu X, Sun Y, Guo J, Ma H, Li J, Dong B, Jin G, Zhang J, Wu J, Meng L, Shou C. Expression of hiwi gene in human gastric cancer was associated with proliferation of cancer cells. Int J Cancer. 2006 Apr 15;118(8):1922-9. PMID:16287078 doi:10.1002/ijc.21575
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