6p18: Difference between revisions

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==Q21 transcription antitermination complex: loading complex==
==Q21 transcription antitermination complex: loading complex==
<StructureSection load='6p18' size='340' side='right'caption='[[6p18]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
<SX load='6p18' size='340' side='right' viewer='molstar' caption='[[6p18]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6p18]] is a 11 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6P18 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6P18 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6p18]] is a 11 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli], [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12] and [https://en.wikipedia.org/wiki/Phage_21 Phage 21]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6P18 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6P18 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.5&#8491;</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_RNA_polymerase DNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.6 2.7.7.6] </span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=6p18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6p18 OCA], [http://pdbe.org/6p18 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6p18 RCSB], [http://www.ebi.ac.uk/pdbsum/6p18 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6p18 ProSAT]</span></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=6p18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6p18 OCA], [https://pdbe.org/6p18 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6p18 RCSB], [https://www.ebi.ac.uk/pdbsum/6p18 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6p18 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/RPOZ_ECOLI RPOZ_ECOLI]] Promotes RNA polymerase assembly. Latches the N- and C-terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits.[HAMAP-Rule:MF_00366] [[http://www.uniprot.org/uniprot/RPOA_ECOLI RPOA_ECOLI]] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit plays an important role in subunit assembly since its dimerization is the first step in the sequential assembly of subunits to form the holoenzyme.[HAMAP-Rule:MF_00059] [[http://www.uniprot.org/uniprot/RPOD_ECOLI RPOD_ECOLI]] Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This is the primary sigma factor of this bacterium. [[http://www.uniprot.org/uniprot/RPOB_ECOLI RPOB_ECOLI]] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.[HAMAP-Rule:MF_01321] [[http://www.uniprot.org/uniprot/RPOC_ECOLI RPOC_ECOLI]] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.[HAMAP-Rule:MF_01322]  
[https://www.uniprot.org/uniprot/RPOA_ECOLI RPOA_ECOLI] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit plays an important role in subunit assembly since its dimerization is the first step in the sequential assembly of subunits to form the holoenzyme.[HAMAP-Rule:MF_00059]
 
==See Also==
*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
*[[Sigma factor 3D structures|Sigma factor 3D structures]]
__TOC__
__TOC__
</StructureSection>
</SX>
[[Category: DNA-directed RNA polymerase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli K-12]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Ebright, R H]]
[[Category: Phage 21]]
[[Category: Yin, Z]]
[[Category: Ebright RH]]
[[Category: Dna binding]]
[[Category: Yin Z]]
[[Category: Gene regulation]]
[[Category: Q antiterminator factor]]
[[Category: Q-dependent antitermination]]
[[Category: Rna polymerase]]
[[Category: Transcription]]

Latest revision as of 12:25, 20 March 2024

Q21 transcription antitermination complex: loading complexQ21 transcription antitermination complex: loading complex

6p18, resolution 3.50Å

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