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<StructureSection load='1rlc' size='340' side='right'caption='[[1rlc]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
<StructureSection load='1rlc' size='340' side='right'caption='[[1rlc]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1rlc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/American_tobacco American tobacco]. The November 2000 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Rubisco''  by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2000_11 10.2210/rcsb_pdb/mom_2000_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RLC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RLC FirstGlance]. <br>
<table><tr><td colspan='2'>[[1rlc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Nicotiana_tabacum Nicotiana tabacum]. The November 2000 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Rubisco''  by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2000_11 10.2210/rcsb_pdb/mom_2000_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RLC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RLC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CAP:2-CARBOXYARABINITOL-1,5-DIPHOSPHATE'>CAP</scene></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]] 2.7&#8491;</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>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CAP:2-CARBOXYARABINITOL-1,5-DIPHOSPHATE'>CAP</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=1rlc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rlc OCA], [https://pdbe.org/1rlc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rlc RCSB], [https://www.ebi.ac.uk/pdbsum/1rlc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rlc 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=1rlc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rlc OCA], [https://pdbe.org/1rlc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rlc RCSB], [https://www.ebi.ac.uk/pdbsum/1rlc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rlc ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[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=1rlc 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=1rlc ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The crystal structure of unactivated ribulose 1,5-bisphosphate carboxylase/oxygenase from Nicotiana tabacum complexed with a transition state analog, 2-carboxy-D-arabinitol 1,5-bisphosphate, was determined to 2.7 A resolution by X-ray crystallography. The transition state analog binds at the active site in an extended conformation. As compared to the binding of the same analog in the activated enzyme, the analog binds in a reverse orientation. The active site Lys 201 is within hydrogen bonding distance of the carboxyl oxygen of the analog. Loop 6 (residues 330-339) remains open and flexible upon binding of the analog in the unactivated enzyme, in contrast to the closed and ordered loop 6 in the activated enzyme complex. The transition state analog is exposed to solvent due to the open conformation of loop 6.
Crystal structure of the unactivated ribulose 1,5-bisphosphate carboxylase/oxygenase complexed with a transition state analog, 2-carboxy-D-arabinitol 1,5-bisphosphate.,Zhang KY, Cascio D, Eisenberg D Protein Sci. 1994 Jan;3(1):64-9. PMID:8142899<ref>PMID:8142899</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1rlc" 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: Nicotiana tabacum]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Ribulose-bisphosphate carboxylase]]
[[Category: Rubisco]]
[[Category: Rubisco]]
[[Category: Cascio, D]]
[[Category: Cascio D]]
[[Category: Eisenberg, D]]
[[Category: Eisenberg D]]
[[Category: Zhang, K Y.J]]
[[Category: Zhang KYJ]]
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