4z2e: Difference between revisions

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<StructureSection load='4z2e' size='340' side='right'caption='[[4z2e]], [[Resolution|resolution]] 3.46&Aring;' scene=''>
<StructureSection load='4z2e' size='340' side='right'caption='[[4z2e]], [[Resolution|resolution]] 3.46&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4z2e]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/"diplococcus_pneumoniae"_(klein_1884)_weichselbaum_1886 "diplococcus pneumoniae" (klein 1884) weichselbaum 1886]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Z2E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4Z2E FirstGlance]. <br>
<table><tr><td colspan='2'>[[4z2e]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Streptococcus_pneumoniae Streptococcus pneumoniae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Z2E OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4Z2E 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=TR6:TROVAFLOXACIN'>TR6</scene></td></tr>
</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=TR6:TROVAFLOXACIN'>TR6</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4koe|4koe]], [[4pxp|4pxp]], [[3rad|3rad]], [[3rae|3rae]], [[3raf|3raf]], [[3ksb|3ksb]], [[3ksa|3ksa]], [[4i3h|4i3h]]</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=4z2e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4z2e OCA], [https://pdbe.org/4z2e PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4z2e RCSB], [https://www.ebi.ac.uk/pdbsum/4z2e PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4z2e ProSAT]</span></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">gyrA, BM52_0349 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1313 "Diplococcus pneumoniae" (Klein 1884) Weichselbaum 1886]), gyrB, BM52_1967, DJ38_04430 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1313 "Diplococcus pneumoniae" (Klein 1884) Weichselbaum 1886])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA_topoisomerase_(ATP-hydrolyzing) DNA topoisomerase (ATP-hydrolyzing)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.99.1.3 5.99.1.3] </span></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=4z2e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4z2e OCA], [http://pdbe.org/4z2e PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4z2e RCSB], [http://www.ebi.ac.uk/pdbsum/4z2e PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4z2e ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/Q9R867_STREE Q9R867_STREE]] A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.[HAMAP-Rule:MF_01897] [[http://www.uniprot.org/uniprot/Q59957_STREE Q59957_STREE]] A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.[HAMAP-Rule:MF_01898]  
[https://www.uniprot.org/uniprot/GYRA_STRR6 GYRA_STRR6] A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.[HAMAP-Rule:MF_01897]


==See Also==
==See Also==
*[[Gyrase|Gyrase]]
*[[Gyrase 3D Structures|Gyrase 3D Structures]]
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Crevel, I M.T]]
[[Category: Streptococcus pneumoniae]]
[[Category: Fisher, L M]]
[[Category: Crevel IM-T]]
[[Category: Laponogov, I]]
[[Category: Fisher LM]]
[[Category: Pan, X S]]
[[Category: Laponogov I]]
[[Category: Sanderson, M R]]
[[Category: Pan X-S]]
[[Category: Selvarajah, J]]
[[Category: Sanderson MR]]
[[Category: Veselkov, D A]]
[[Category: Selvarajah J]]
[[Category: Cleavage complex]]
[[Category: Veselkov DA]]
[[Category: Dna]]
[[Category: Gyrase]]
[[Category: Isomerase]]
[[Category: Quinolone]]

Revision as of 10:36, 10 May 2023

Quinolone(Trovafloxacin)-DNA cleavage complex of gyrase from S. pneumoniaeQuinolone(Trovafloxacin)-DNA cleavage complex of gyrase from S. pneumoniae

Structural highlights

4z2e is a 8 chain structure with sequence from Escherichia coli and Streptococcus pneumoniae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

GYRA_STRR6 A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.[HAMAP-Rule:MF_01897]

See Also

4z2e, resolution 3.46Å

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