10xa: Difference between revisions
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==Nocardia asteroides DnaA DI in the P31(1)21 space group== | |||
<StructureSection load='10xa' size='340' side='right'caption='[[10xa]], [[Resolution|resolution]] 1.25Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[10xa]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Nocardia Nocardia]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=10XA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=10XA FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.25Å</td></tr> | |||
[[Category: | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=10xa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=10xa OCA], [https://pdbe.org/10xa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=10xa RCSB], [https://www.ebi.ac.uk/pdbsum/10xa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=10xa ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/U5EFM3_NOCAS U5EFM3_NOCAS] Plays an essential role in the initiation and regulation of chromosomal replication. ATP-DnaA binds to the origin of replication (oriC) to initiate formation of the DNA replication initiation complex once per cell cycle. Binds the DnaA box (a 9 base pair repeat at the origin) and separates the double-stranded (ds)DNA. Forms a right-handed helical filament on oriC DNA; dsDNA binds to the exterior of the filament while single-stranded (ss)DNA is stabiized in the filament's interior. The ATP-DnaA-oriC complex binds and stabilizes one strand of the AT-rich DNA unwinding element (DUE), permitting loading of DNA polymerase. After initiation quickly degrades to an ADP-DnaA complex that is not apt for DNA replication. Binds acidic phospholipids.[HAMAP-Rule:MF_00377][RuleBase:RU000577] | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Nocardia]] | |||
[[Category: Ellis PK]] | |||
[[Category: Schumacher MA]] | |||
Latest revision as of 06:31, 3 June 2026
Nocardia asteroides DnaA DI in the P31(1)21 space group
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