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The TOC75 Family [Function: Biogenesis/Secretion] Seed alignment | Full alignment | ||||
The Translocon protein found at the outer-envelope-membrane of chloroplasts (TOC75) is a ß barrel integral membrane protein that belongs to the OMP85 superfamily. It acts as the protein translocation pathway on the outer membrane of chloroplast. POTRA domains of TOC75 together with TIC236 may form a continuous chaperone pathway for the translocation of pre-proteins across the intermembrane space. | ||||
| Literature references | ||||
Chloroplast Outer Membrane ß-Barrel Proteins Use Components of the General Import Apparatus Plant Cell. 2019 Aug;31(8):1845-1855. doi: 10.1105/tpc.19.00001. Epub 2019 Jun 19. PMID: 31217220 | ||||
Structural considerations of folded protein import through the chloroplast TOC/TIC translocons FEBS Lett. 2019 Mar;593(6):565-572. doi: 10.1002/1873-3468.13342. Epub 2019 Mar 5. PMID: 30775779 | ||||
TIC236 links the outer and inner membrane translocons of the chloroplast Nature. 2018 Dec;564(7734):125-129. doi: 10.1038/s41586-018-0713-y. Epub 2018 Nov 21. PMID: 30464337 | ||||
The outer membrane Omp85-like protein P39 influences metabolic homeostasis in mature Arabidopsis thaliana Plant Biol (Stuttg). 2018 Sep;20(5):825-833. doi: 10.1111/plb.12839. Epub 2018 Jun 4. PMID: 29758131 | ||||
Structural components involved in plastid protein import Essays Biochem. 2018 Apr 13;62(1):65-75. doi: 10.1042/EBC20170093. Print 2018 Apr 13. PMID: 29487196 | ||||
Stable megadalton TOC-TIC supercomplexes as major mediators of protein import into chloroplasts Plant J. 2017 Oct;92(2):178-188. doi: 10.1111/tpj.13643. Epub 2017 Sep 15. PMID: 28745032 | ||||
Chloroplast outer envelope protein P39 in Arabidopsis thaliana belongs to the Omp85 protein family Proteins. 2017 Aug;85(8):1391-1401. doi: 10.1002/prot.24725. Epub 2017 Jun 12. PMID: 25401771 | ||||
The POTRA domains of Toc75 exhibit chaperone-like function to facilitate import into chloroplasts Proc Natl Acad Sci U S A. 2017 Jun 13;114(24):E4868-E4876. doi: 10.1073/pnas.1621179114. Epub 2017 May 30. PMID: 28559331 | ||||
Polypeptide Transport-Associated Domains of the Toc75 Channel Protein Are Located in the Intermembrane Space of Chloroplasts Plant Physiol. 2016 Sep;172(1):235-43. doi: 10.1104/pp.16.00919. Epub 2016 Jul 7. PMID: 27388682 | ||||
Multi-functional roles for the polypeptide transport associated domains of Toc75 in chloroplast protein import Elife. 2016 Mar 21;5:e12631. doi: 10.7554/eLife.12631. PMID: 26999824 | ||||
Toxoplasma gondii Toc75 Functions in Import of Stromal but not Peripheral Apicoplast Proteins Traffic. 2015 Dec;16(12):1254-69. doi: 10.1111/tra.12333. Epub 2015 Nov 2. PMID: 26381927 | ||||
The Omp85-type outer membrane protein p36 of Arabidopsis thaliana evolved by recent gene duplication J Plant Res. 2015 Mar;128(2):317-25. doi: 10.1007/s10265-014-0693-4. Epub 2015 Jan 22. PMID: 25608613 | ||||
New insights into the mechanism of chloroplast protein import and its integration with protein quality control, organelle biogenesis and development J Mol Biol. 2015 Mar 13;427(5):1038-1060. doi: 10.1016/j.jmb.2014.08.016. Epub 2014 Aug 28. PMID: 25174336 | ||||
Targeting and assembly of components of the TOC protein import complex at the chloroplast outer envelope membrane Front Plant Sci. 2014 Jun 11;5:269. doi: 10.3389/fpls.2014.00269. eCollection 2014. PMID: 24966864 | ||||
Toc33 and Toc64-III cooperate in precursor protein import into the chloroplasts of Arabidopsis thaliana Plant Cell Environ. 2013 May;36(5):970-83. doi: 10.1111/pce.12030. Epub 2013 Jan 7. PMID: 23131143 | ||||
Neofunctionalization within the Omp85 protein superfamily during chloroplast evolution Plant Signal Behav. 2012 Feb;7(2):161-4. doi: 10.4161/psb.18677. Epub 2012 Feb 1. PMID: 22307047 | ||||
Two evolutionarily conserved essential beta-barrel proteins in the chloroplast outer envelope membrane Biosci Trends. 2009 Oct;3(5):168-78. PMID: 20103843 | ||||
A molecular-genetic study of the Arabidopsis Toc75 gene family Plant Physiol. 2005 Jun;138(2):715-33. doi: 10.1104/pp.105.063289. Epub 2005 May 20. PMID: 15908591 | ||||
Topology studies of the chloroplast protein import channel Toc75 Biol Chem. 2000 Aug;381(8):687-93. doi: 10.1515/BC.2000.089. PMID: 11030426 | ||||
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