5b1m: Difference between revisions

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<StructureSection load='5b1m' size='340' side='right'caption='[[5b1m]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
<StructureSection load='5b1m' size='340' side='right'caption='[[5b1m]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5b1m]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5B1M OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5B1M FirstGlance]. <br>
<table><tr><td colspan='2'>[[5b1m]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5B1M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5B1M FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5b1l|5b1l]]</td></tr>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5b1m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b1m OCA], [https://pdbe.org/5b1m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5b1m RCSB], [https://www.ebi.ac.uk/pdbsum/5b1m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5b1m ProSAT]</span></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Hist1h3a, H3a, Hist1h3g, H3.1-221, H3g, Hist1h3h, H3.1-291, H3h, Hist1h3i, H3.1-I, H3i ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice]), Hist1h4a, Hist1h4b, H4-53, Hist1h4c, H4-12, Hist1h4d, Hist1h4f, Hist1h4h, Hist1h4i, Hist1h4j, Hist1h4k, Hist1h4m, Hist2h4a, Hist2h4, Hist4h4 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice]), Hist1h2ab, Hist1h2ac, Hist1h2ad, Hist1h2ae, Hist1h2ag, Hist1h2ai, Hist1h2an, Hist1h2ao ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice]), Hist3h2ba ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</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=5b1m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b1m OCA], [http://pdbe.org/5b1m PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5b1m RCSB], [http://www.ebi.ac.uk/pdbsum/5b1m PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5b1m ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/H2B3A_MOUSE H2B3A_MOUSE]] Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. [[http://www.uniprot.org/uniprot/H2A1_MOUSE H2A1_MOUSE]] Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling.
[https://www.uniprot.org/uniprot/H31_MOUSE H31_MOUSE]  
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Lk3 transgenic mice]]
[[Category: Mus musculus]]
[[Category: Horikoshi, N]]
[[Category: Horikoshi N]]
[[Category: Kurumizaka, H]]
[[Category: Kurumizaka H]]
[[Category: Machida, S]]
[[Category: Machida S]]
[[Category: Osakabe, A]]
[[Category: Osakabe A]]
[[Category: Tachiwana, H]]
[[Category: Tachiwana H]]
[[Category: Taguchi, H]]
[[Category: Taguchi H]]
[[Category: Urahama, T]]
[[Category: Urahama T]]
[[Category: Chromatin]]
[[Category: Dna binding]]
[[Category: Histone-fold]]
[[Category: Structural protein-dna complex]]

Revision as of 09:35, 31 May 2023

The mouse nucleosome structure containing H3.1The mouse nucleosome structure containing H3.1

Structural highlights

5b1m is a 10 chain structure with sequence from Homo sapiens and Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

H31_MOUSE

Publication Abstract from PubMed

Cellular differentiation is associated with dynamic chromatin remodeling in establishing a cell-type-specific epigenomic landscape. Here, we find that mouse testis-specific and replication-dependent histone H3 variant H3t is essential for very early stages of spermatogenesis. H3t gene deficiency leads to azoospermia because of the loss of haploid germ cells. When differentiating spermatogonia emerge in normal spermatogenesis, H3t appears and replaces the canonical H3 proteins. Structural and biochemical analyses reveal that H3t-containing nucleosomes are more flexible than the canonical nucleosomes. Thus, by incorporating H3t into the genome during spermatogonial differentiation, male germ cells are able to enter meiosis and beyond.

Testis-Specific Histone Variant H3t Gene Is Essential for Entry into Spermatogenesis.,Ueda J, Harada A, Urahama T, Machida S, Maehara K, Hada M, Makino Y, Nogami J, Horikoshi N, Osakabe A, Taguchi H, Tanaka H, Tachiwana H, Yao T, Yamada M, Iwamoto T, Isotani A, Ikawa M, Tachibana T, Okada Y, Kimura H, Ohkawa Y, Kurumizaka H, Yamagata K Cell Rep. 2017 Jan 17;18(3):593-600. doi: 10.1016/j.celrep.2016.12.065. PMID:28099840[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Ueda J, Harada A, Urahama T, Machida S, Maehara K, Hada M, Makino Y, Nogami J, Horikoshi N, Osakabe A, Taguchi H, Tanaka H, Tachiwana H, Yao T, Yamada M, Iwamoto T, Isotani A, Ikawa M, Tachibana T, Okada Y, Kimura H, Ohkawa Y, Kurumizaka H, Yamagata K. Testis-Specific Histone Variant H3t Gene Is Essential for Entry into Spermatogenesis. Cell Rep. 2017 Jan 17;18(3):593-600. doi: 10.1016/j.celrep.2016.12.065. PMID:28099840 doi:http://dx.doi.org/10.1016/j.celrep.2016.12.065

5b1m, resolution 2.34Å

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