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<StructureSection load='1rld' size='340' side='right'caption='[[1rld]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
<StructureSection load='1rld' size='340' side='right'caption='[[1rld]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1rld]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/American_tobacco American tobacco]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RLD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RLD FirstGlance]. <br>
<table><tr><td colspan='2'>[[1rld]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Nicotiana_tabacum Nicotiana tabacum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RLD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RLD FirstGlance]. <br>
</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Ribulose-bisphosphate_carboxylase Ribulose-bisphosphate carboxylase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.1.1.39 4.1.1.39] </span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5&#8491;</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=1rld FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rld OCA], [https://pdbe.org/1rld PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rld RCSB], [https://www.ebi.ac.uk/pdbsum/1rld PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rld 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=1rld FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rld OCA], [https://pdbe.org/1rld PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rld RCSB], [https://www.ebi.ac.uk/pdbsum/1rld PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rld ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/RBL_TOBAC RBL_TOBAC]] RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate in the photorespiration process. Both reactions occur simultaneously and in competition at the same active site.[HAMAP-Rule:MF_01338] [[https://www.uniprot.org/uniprot/RBS_TOBAC RBS_TOBAC]] RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate. Both reactions occur simultaneously and in competition at the same active site.
[https://www.uniprot.org/uniprot/RBL_TOBAC RBL_TOBAC] RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate in the photorespiration process. Both reactions occur simultaneously and in competition at the same active site.[HAMAP-Rule:MF_01338]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1rld ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1rld ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The crystal structure is described of ribulose 1,5-bisphosphate carboxylase/oxygenase in a new crystal form. This new form (form V) was obtained from a previously known crystal form (form III) through a solid-state phase transition. The solid-state phase transition was brought about by transferring the crystal from a high-salt low-pH mother liquor to a low-salt high-pH synthetic mother liquor. The interplay of electrostatic repulsion and osmotic pressure induced a unit-cell shrinkage of 24 A along the c axis and expansion of 4 A along the a and b axes. The space group also changed from I422 to I4. The new crystal form was shown to be more resistant to X-ray radiation damage, which suggests the effect of crystal stabilization by non-penetrating molecules. The structure of ribulose 1,5-bisphosphate carboxylase/oxygenase in the new crystal form is compared with that of the old crystal form.
Solid-state phase transition in the crystal structure of ribulose 1,5-bisphosphate carboxylase/oxygenase.,Zhang KY, Eisenberg D Acta Crystallogr D Biol Crystallogr. 1994 May 1;50(Pt 3):258-62. PMID:15299436<ref>PMID:15299436</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1rld" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[RuBisCO 3D structures|RuBisCO 3D structures]]
*[[RuBisCO 3D structures|RuBisCO 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: American tobacco]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Ribulose-bisphosphate carboxylase]]
[[Category: Nicotiana tabacum]]
[[Category: Eisenberg, D]]
[[Category: Eisenberg D]]
[[Category: Zhang, K Y.J]]
[[Category: Zhang KYJ]]

Revision as of 08:24, 1 May 2024

SOLID-STATE PHASE TRANSITION IN THE CRYSTAL STRUCTURE OF RIBULOSE 1,5-BIPHOSPHATE CARBOXYLASE(SLASH)OXYGENASE

1rld, resolution 2.50Å

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