Musser, Siegfried individual record

Our lab investigates the molecular mechanism of protein transport across: (i) the nuclear envelope via the nuclear pore complex (NPC); and (ii) the bacterial cytoplasmic membrane via the Sec(retion) and Tat (twin-arginine translocation) machineries. We seek to understand how large molecules such as proteins are transported across biological membranes without leakage.

selected publications
Academic Articles632
  • Hamsanathan, S., & Musser, S. M. (2018). The Tat protein transport system: intriguing questions and conundrums.. FEMS Microbiology Letters. 365(12),
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  • Chen, J. G., Crooks, R. M., Seefeldt, L. C., Bren, K. L., Bullock, R. M., Darensbourg, M. Y., ... Schrock, R. R. (2018). Beyond fossil fuel–driven nitrogen transformations. SCIENCE. 360(6391), eaar6611-eaar6611.
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  • Dong, M., Kathiresan, V., Fenwick, M. K., Torelli, A. T., Zhang, Y., Caranto, J. D., ... Lin, H. (2018). Organometallic and radical intermediates reveal mechanism of diphthamide biosynthesis. SCIENCE. 359(6381), 1247-1250.
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  • Purohit, R., Ross, M. O., Batelu, S., Kusowski, A., Stemmler, T. L., Hoffman, B. M., & Rosenzweig, A. C. (2018). Cu+-specific CopB transporter: Revising P1B-type ATPase classification. Proc Natl Acad Sci U S A. 115(9), 201721783-2113.
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  • Harris, D. F., Lukoyanov, D. A., Shaw, S., Compton, P., Tokmina-Lukaszewska, M., Bothner, B., ... Seefeldt, L. C. (2018). Mechanism of N2 Reduction Catalyzed by Fe-Nitrogenase Involves Reductive Elimination of H2.. BIOCHEMISTRY. 57(5), 701-710.
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  • Seefeldt, L. C., Hoffman, B. M., & Dean, D. R. (2009). Mechanism of Mo-Dependent Nitrogenase. Annual Reviews.
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  • Seefeldt, L. C., Dean, D. R., & Hoffman, B. M. (2016). CHAPTER 8 Nitrogenase Mechanism: Electron and Proton Accumulation and N 2 Reduction. Molybdenum and Tungsten Enzymes. (pp. 274-296). Royal Society of Chemistry.
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  • Musser, S. M., Stowell, M., & Chan, S. I. (1995). Cytochrome c Oxidase: Chemistry of a Molecular Machine. Adv Enzymol Relat Areas Mol Biol. Advances in Enzymology and Related Areas of Molecular Biology. (pp. 79-208). John Wiley & Sons, Inc..
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Conference Papers2
chaired theses and dissertations
  • Whitaker, Neal William 1982- (2012-12). Deciphering the Mechanism of E. (coli tat Protein Transport: Kinetic Substeps and Cargo Properties. Doctoral Dissertation)
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First Name
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mailing address
Texas A&M Health Science Center; Molecular And Cellular Medicine; 1114 TAMUS
College Station, TX 77843-1114