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Robert J. Keenan

AddressChicago IL 60637
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    Collapse Overview 
    Collapse overview
    We study the molecular mechanisms underlying membrane protein biogenesis and quality control using biochemical, structural and cell biology approaches.


    Collapse Biography 
    Collapse education and training
    Bates College, Lewiston, MEBS06/1990Biology and Chemistry
    UCSF, San Francisco, CAPHD05/1998Biochemistry and Biophysics
    UCSF, San Francisco, CAPostdoc09/1999Biochemistry and Biophysics

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    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Hegde RS, Keenan RJ. The mechanisms of integral membrane protein biogenesis. Nat Rev Mol Cell Biol. 2021 Sep 23. PMID: 34556847.
      View in: PubMed
    2. McGilvray PT, Anghel SA, Sundaram A, Zhong F, Trnka MJ, Fuller JR, Hu H, Burlingame AL, Keenan RJ. An ER translocon for multi-pass membrane protein biogenesis. Elife. 2020 08 21; 9. PMID: 32820719.
      View in: PubMed
    3. O'Donnell JP, Phillips BP, Yagita Y, Juszkiewicz S, Wagner A, Malinverni D, Keenan RJ, Miller EA, Hegde RS. The architecture of EMC reveals a path for membrane protein insertion. Elife. 2020 05 27; 9. PMID: 32459176.
      View in: PubMed
    4. Anghel SA, McGilvray PT, Hegde RS, Keenan RJ. Identification of Oxa1 Homologs Operating in the Eukaryotic Endoplasmic Reticulum. Cell Rep. 2017 12 26; 21(13):3708-3716. PMID: 29281821.
      View in: PubMed
    5. Zalisko BE, Chan C, Denic V, Rock RS, Keenan RJ. Tail-Anchored Protein Insertion by a Single Get1/2 Heterodimer. Cell Rep. 2017 Sep 05; 20(10):2287-2293. PMID: 28877464.
      View in: PubMed
    6. Wohlever ML, Mateja A, McGilvray PT, Day KJ, Keenan RJ. Msp1 Is a Membrane Protein Dislocase for Tail-Anchored Proteins. Mol Cell. 2017 Jul 20; 67(2):194-202.e6. PMID: 28712723.
      View in: PubMed
    7. Srivastava R, Zalisko BE, Keenan RJ, Howell SH. The GET System Inserts the Tail-Anchored Protein, SYP72, into Endoplasmic Reticulum Membranes. Plant Physiol. 2017 02; 173(2):1137-1145. PMID: 27923985.
      View in: PubMed
    8. Itakura E, Zavodszky E, Shao S, Wohlever ML, Keenan RJ, Hegde RS. Ubiquilins Chaperone and Triage Mitochondrial Membrane Proteins for Degradation. Mol Cell. 2016 07 07; 63(1):21-33. PMID: 27345149.
      View in: PubMed
    9. Meyer PA, Socias S, Key J, Ransey E, Tjon EC, Buschiazzo A, Lei M, Botka C, Withrow J, Neau D, Rajashankar K, Anderson KS, Baxter RH, Blacklow SC, Boggon TJ, Bonvin AM, Borek D, Brett TJ, Caflisch A, Chang CI, Chazin WJ, Corbett KD, Cosgrove MS, Crosson S, Dhe-Paganon S, Di Cera E, Drennan CL, Eck MJ, Eichman BF, Fan QR, Ferré-D'Amaré AR, Fromme JC, Garcia KC, Gaudet R, Gong P, Harrison SC, Heldwein EE, Jia Z, Keenan RJ, Kruse AC, Kvansakul M, McLellan JS, Modis Y, Nam Y, Otwinowski Z, Pai EF, Pereira PJ, Petosa C, Raman CS, Rapoport TA, Roll-Mecak A, Rosen MK, Rudenko G, Schlessinger J, Schwartz TU, Shamoo Y, Sondermann H, Tao YJ, Tolia NH, Tsodikov OV, Westover KD, Wu H, Foster I, Fraser JS, Maia FR, Gonen T, Kirchhausen T, Diederichs K, Crosas M, Sliz P. Data publication with the structural biology data grid supports live analysis. Nat Commun. 2016 Mar 07; 7:10882. PMID: 26947396.
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    10. Gomes AC, Kordala AJ, Strack R, Wang X, Geslain R, Delaney K, Clark WC, Keenan R, Pan T. A dual fluorescent reporter for the investigation of methionine mistranslation in live cells. RNA. 2016 Mar; 22(3):467-76. PMID: 26729921.
      View in: PubMed
    11. Borowska MT, Dominik PK, Anghel SA, Kossiakoff AA, Keenan RJ. A YidC-like Protein in the Archaeal Plasma Membrane. Structure. 2015 Sep 01; 23(9):1715-1724. PMID: 26256539.
      View in: PubMed
    12. Mateja A, Paduch M, Chang HY, Szydlowska A, Kossiakoff AA, Hegde RS, Keenan RJ. Protein targeting. Structure of the Get3 targeting factor in complex with its membrane protein cargo. Science. 2015 Mar 06; 347(6226):1152-5. PMID: 25745174.
      View in: PubMed
    13. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 26749445.
      View in: PubMed
    14. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 30173121.
      View in: PubMed
    15. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 19675567.
      View in: PubMed
    16. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 19658435.
      View in: PubMed
    17. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 21116992.
      View in: PubMed
    18. Kaucikas M, Fitzpatrick A, Bryan E, Struve A, Henning R, Kosheleva I, Srajer V, Groenhof G, Van Thor JJ. Room temperature crystal structure of the fast switching M159T mutant of the fluorescent protein dronpa. Proteins. 2015 Mar; 83(3):397-402. PMID: 21658170.
      View in: PubMed
    19. Bestul AJ, Christensen JR, Grzegorzewska AP, Burke TA, Sees JA, Carroll RT, Sirotkin V, Keenan RJ, Kovar DR. Fission yeast profilin is tailored to facilitate actin assembly by the cytokinesis formin Cdc12. Mol Biol Cell. 2015 Jan 15; 26(2):283-93. PMID: 25392301.
      View in: PubMed
    20. Hegde RS, Keenan RJ. Tail-anchored membrane protein insertion into the endoplasmic reticulum. Nat Rev Mol Cell Biol. 2011 Nov 16; 12(12):787-98. PMID: 22086371.
      View in: PubMed
    21. Mariappan M, Mateja A, Dobosz M, Bove E, Hegde RS, Keenan RJ. The mechanism of membrane-associated steps in tail-anchored protein insertion. Nature. 2011 Aug 24; 477(7362):61-6. PMID: 21866104.
      View in: PubMed
    22. Mariappan M, Li X, Stefanovic S, Sharma A, Mateja A, Keenan RJ, Hegde RS. A ribosome-associating factor chaperones tail-anchored membrane proteins. Nature. 2010 Aug 26; 466(7310):1120-4. PMID: 20676083.
      View in: PubMed
    23. Strack RL, Strongin DE, Mets L, Glick BS, Keenan RJ. Chromophore formation in DsRed occurs by a branched pathway. J Am Chem Soc. 2010 Jun 23; 132(24):8496-505. PMID: 20509651.
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    24. Strack RL, Bhattacharyya D, Glick BS, Keenan RJ. Noncytotoxic orange and red/green derivatives of DsRed-Express2 for whole-cell labeling. BMC Biotechnol. 2009 Apr 03; 9:32. PMID: 19344508.
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    25. Strack RL, Strongin DE, Bhattacharyya D, Tao W, Berman A, Broxmeyer HE, Keenan RJ, Glick BS. A noncytotoxic DsRed variant for whole-cell labeling. Nat Methods. 2008 Nov; 5(11):955-7. PMID: 18953349.
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    26. Schnitzler CE, Keenan RJ, McCord R, Matysik A, Christianson LM, Haddock SH. Spectral diversity of fluorescent proteins from the anthozoan Corynactis californica. Mar Biotechnol (NY). 2008 May-Jun; 10(3):328-42. PMID: 18330643.
      View in: PubMed
    27. Strongin DE, Bevis B, Khuong N, Downing ME, Strack RL, Sundaram K, Glick BS, Keenan RJ. Structural rearrangements near the chromophore influence the maturation speed and brightness of DsRed variants. Protein Eng Des Sel. 2007 Nov; 20(11):525-34. PMID: 17962222.
      View in: PubMed
    28. Siehl DL, Castle LA, Gorton R, Keenan RJ. The molecular basis of glyphosate resistance by an optimized microbial acetyltransferase. J Biol Chem. 2007 Apr 13; 282(15):11446-55. PMID: 17272278.
      View in: PubMed
    29. Yuan L, Kurek I, English J, Keenan R. Laboratory-directed protein evolution. Microbiol Mol Biol Rev. 2005 Sep; 69(3):373-92. PMID: 16148303.
      View in: PubMed
    30. Keenan RJ, Siehl DL, Gorton R, Castle LA. DNA shuffling as a tool for protein crystallization. Proc Natl Acad Sci U S A. 2005 Jun 21; 102(25):8887-92. PMID: 15951425.
      View in: PubMed
    31. Siehl DL, Castle LA, Gorton R, Chen YH, Bertain S, Cho HJ, Keenan R, Liu D, Lassner MW. Evolution of a microbial acetyltransferase for modification of glyphosate: a novel tolerance strategy. Pest Manag Sci. 2005 Mar; 61(3):235-40. PMID: 15668959.
      View in: PubMed
    32. Keenan RJ, Stemmer WP. Nontransgenic crops from transgenic plants. Nat Biotechnol. 2002 Mar; 20(3):215-6. PMID: 11875408.
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    33. Keenan RJ, Freymann DM, Stroud RM, Walter P. The signal recognition particle. Annu Rev Biochem. 2001; 70:755-75. PMID: 11395422.
      View in: PubMed
    34. Walter P, Keenan R, Schmitz U. Perspectives: structural biology. SRP--where the RNA and membrane worlds meet. Science. 2000 Feb 18; 287(5456):1212-3. PMID: 10712156.
      View in: PubMed
    35. Schmitz U, Behrens S, Freymann DM, Keenan RJ, Lukavsky P, Walter P, James TL. Structure of the phylogenetically most conserved domain of SRP RNA. RNA. 1999 Nov; 5(11):1419-29. PMID: 10580470.
      View in: PubMed
    36. Freymann DM, Keenan RJ, Stroud RM, Walter P. Functional changes in the structure of the SRP GTPase on binding GDP and Mg2+GDP. Nat Struct Biol. 1999 Aug; 6(8):793-801. PMID: 10426959.
      View in: PubMed
    37. Keenan RJ, Freymann DM, Walter P, Stroud RM. Crystal structure of the signal sequence binding subunit of the signal recognition particle. Cell. 1998 Jul 24; 94(2):181-91. PMID: 9695947.
      View in: PubMed
    38. Freymann DM, Keenan RJ, Stroud RM, Walter P. Structure of the conserved GTPase domain of the signal recognition particle. Nature. 1997 Jan 23; 385(6614):361-4. PMID: 9002524.
      View in: PubMed
    39. Schmitz U, Freymann DM, James TL, Keenan RJ, Vinayak R, Walter P. NMR studies of the most conserved RNA domain of the mammalian signal recognition particle (SRP). RNA. 1996 Dec; 2(12):1213-27. PMID: 8972771.
      View in: PubMed
    40. Rutenber E, Fauman EB, Keenan RJ, Fong S, Furth PS, Ortiz de Montellano PR, Meng E, Kuntz ID, DeCamp DL, Salto R, et al. Structure of a non-peptide inhibitor complexed with HIV-1 protease. Developing a cycle of structure-based drug design. J Biol Chem. 1993 Jul 25; 268(21):15343-6. PMID: 8340363.
      View in: PubMed
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