Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/146500
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dc.contributor.authorJin, Shengyangen_US
dc.date.accessioned2021-02-22T06:06:59Z-
dc.date.available2021-02-22T06:06:59Z-
dc.date.issued2020-
dc.identifier.citationJin, S. (2020). Structural studies of the limiting CO2 inducible B protein family and the yeast cleavage factor I complex. Doctoral thesis, Nanyang Technological University, Singapore.en_US
dc.identifier.urihttps://hdl.handle.net/10356/146500-
dc.description.abstractAquatic photosynthetic microorganisms use a variety of CO2 concentrating mechanisms (CCM) to ensure a sufficient supply of CO2 to the carbon fixation enzyme rubisco. In the green algae Chlamydomonas reinhardtii, the limiting CO2-inducible protein B (LCIB) is an essential component of the CCM and is critical for survival in air levels of CO2. To elucidate the functions of the LCIB proteins, we solved the crystal structures of several LCIB homologs in C. reinhardtii and P. tricornutum and characterized them biochemically. For the first time, the LCIB proteins were revealed to resemble β-type carbonic anhydrase (CA) closely in the overall fold, active site, and oligomerization. The LCIB homologs in P. tricornutum are also active CAs. Furthermore, the proton shuttle may play an important role in regulating the activity of the LCIB proteins. The structural and biochemical data demonstrated that the existence of a potential alternative protein exit tunnel could rationalize the different CA activity levels in LCIB homologs, with the size and electrostatic landscape of the tunnel playing a role in activity regulation.en_US
dc.language.isoenen_US
dc.publisherNanyang Technological Universityen_US
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).en_US
dc.subjectScience::Biological sciencesen_US
dc.titleStructural studies of the limiting CO2 inducible B protein family and the yeast cleavage factor I complexen_US
dc.typeThesis-Doctor of Philosophyen_US
dc.contributor.supervisorGao Yongguien_US
dc.contributor.schoolSchool of Biological Sciencesen_US
dc.description.degreeDoctor of Philosophyen_US
dc.contributor.researchNTU Institute of Structural Biologyen_US
dc.identifier.doi10.32657/10356/146500en_US
dc.contributor.supervisoremailygao@ntu.edu.sgen_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
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