1x3q: Difference between revisions

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==3D Solution Structure of the Chromo-2 Domain of cpSRP43==
==3D Solution Structure of the Chromo-2 Domain of cpSRP43==
<StructureSection load='1x3q' size='340' side='right' caption='[[1x3q]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='1x3q' size='340' side='right'caption='[[1x3q]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1x3q]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Arath Arath]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1X3Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1X3Q FirstGlance]. <br>
<table><tr><td colspan='2'>[[1x3q]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Arath Arath]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1X3Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1X3Q FirstGlance]. <br>
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</StructureSection>
</StructureSection>
[[Category: Arath]]
[[Category: Arath]]
[[Category: Large Structures]]
[[Category: Henry, R]]
[[Category: Henry, R]]
[[Category: Kumar, T K.S]]
[[Category: Kumar, T K.S]]

Revision as of 20:32, 22 January 2020

3D Solution Structure of the Chromo-2 Domain of cpSRP433D Solution Structure of the Chromo-2 Domain of cpSRP43

Structural highlights

1x3q is a 1 chain structure with sequence from Arath. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[SR43C_ARATH] Component of the chloroplast signal recognition particle pathway. Required for post-translational targeting of proteins into the tylakoid membrane but seems to be dispensable for co-translational targeting with a translating ribosome present. May be able to function independently of cpFTSY and FFC/cpSRP54 in targeting LHCPs to the thylakoids. Acts as a highly specific chaperone for LHCPs, preventing aggregation and being able to dissolve aggregates.[1] [2] [3] [4] [5]

References

  1. ↑ Klimyuk VI, Persello-Cartieaux F, Havaux M, Contard-David P, Schuenemann D, Meiherhoff K, Gouet P, Jones JD, Hoffman NE, Nussaume L. A chromodomain protein encoded by the arabidopsis CAO gene is a plant-specific component of the chloroplast signal recognition particle pathway that is involved in LHCP targeting. Plant Cell. 1999 Jan;11(1):87-99. PMID:9878634
  2. ↑ Tu CJ, Schuenemann D, Hoffman NE. Chloroplast FtsY, chloroplast signal recognition particle, and GTP are required to reconstitute the soluble phase of light-harvesting chlorophyll protein transport into thylakoid membranes. J Biol Chem. 1999 Sep 17;274(38):27219-24. PMID:10480939
  3. ↑ Goforth RL, Peterson EC, Yuan J, Moore MJ, Kight AD, Lohse MB, Sakon J, Henry RL. Regulation of the GTPase cycle in post-translational signal recognition particle-based protein targeting involves cpSRP43. J Biol Chem. 2004 Oct 8;279(41):43077-84. Epub 2004 Aug 2. PMID:15292240 doi:http://dx.doi.org/10.1074/jbc.M401600200
  4. ↑ Tzvetkova-Chevolleau T, Hutin C, Noel LD, Goforth R, Carde JP, Caffarri S, Sinning I, Groves M, Teulon JM, Hoffman NE, Henry R, Havaux M, Nussaume L. Canonical signal recognition particle components can be bypassed for posttranslational protein targeting in chloroplasts. Plant Cell. 2007 May;19(5):1635-48. Epub 2007 May 18. PMID:17513500 doi:http://dx.doi.org/10.1105/tpc.106.048959
  5. ↑ Falk S, Sinning I. cpSRP43 is a novel chaperone specific for light-harvesting chlorophyll a,b-binding proteins. J Biol Chem. 2010 Jul 9;285(28):21655-61. doi: 10.1074/jbc.C110.132746. Epub 2010, May 24. PMID:20498370 doi:http://dx.doi.org/10.1074/jbc.C110.132746
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