5ui2: Difference between revisions

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New page: '''Unreleased structure''' The entry 5ui2 is ON HOLD Authors: C.A.KERFELD, M.R.SAWAYA, B.VISHNU, D.KROGMANN, T.O.YEATES Description: CRYSTAL STRUCTURE OF ORANGE CAROTENOID PROTEIN [[Ca...
 
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'''Unreleased structure'''


The entry 5ui2 is ON HOLD
==CRYSTAL STRUCTURE OF ORANGE CAROTENOID PROTEIN==
 
<StructureSection load='5ui2' size='340' side='right'caption='[[5ui2]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
Authors: C.A.KERFELD, M.R.SAWAYA, B.VISHNU, D.KROGMANN, T.O.YEATES
== Structural highlights ==
 
<table><tr><td colspan='2'>[[5ui2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Limnospira_maxima Limnospira maxima]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1m98 1m98]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5UI2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5UI2 FirstGlance]. <br>
Description: CRYSTAL STRUCTURE OF ORANGE CAROTENOID PROTEIN
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
[[Category: Unreleased Structures]]
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=EQ3:(3R)-3-HYDROXY-BETA,BETA-CAROTEN-4-ONE'>EQ3</scene>, <scene name='pdbligand=FRU:FRUCTOSE'>FRU</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=PRD_900003:sucrose'>PRD_900003</scene></td></tr>
[[Category: C.A.Kerfeld, M.R.Sawaya, B.Vishnu, D.Krogmann, T.O.Yeates]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5ui2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ui2 OCA], [https://pdbe.org/5ui2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ui2 RCSB], [https://www.ebi.ac.uk/pdbsum/5ui2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ui2 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/OCP_LIMMA OCP_LIMMA] Acts as a blue-light photoreceptor and photo-protectant. Essential for inhibiting damaged induced by excess blue-green light via a process known as non-photochemical quenching (NPQ). Binding carotenoids improves OCP's intrinsic photoprotectant activity by broadening its absorption spectrum and facilitating the dissipation of absorbed energy (PubMed:15751975). In the dark or dim light the stable inactive form (OCP-O) is orange, upon illumination with blue-green light it converts to a metastable active red form (OCP-R), inducing energy dissipation, quenching cellular fluorescence via NPQ (By similarity).[UniProtKB:P74102]<ref>PMID:15751975</ref>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Limnospira maxima]]
[[Category: KERFELD CA]]
[[Category: KROGMANN D]]
[[Category: SAWAYA MR]]
[[Category: VISHNU B]]
[[Category: YEATES TO]]
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