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Office: MEYR 462A
Phone: 410-455-2514

Professional Interests
Courses Taught
Research Group
Songon An
Assistant Professor
Post-Doctoral Pennsylvania State University 2011; Ph.D. University of Minnesota - Twin Cities 2005; B.S. Yonsei University, Seoul, Korea 1997


1. Songon An and Karin Musier-Forsyth “Trans-editing of Cys-tRNAPro by Haemophilus influenzae YbaK protein” Journal of Biological Chemistry - Accelerated Publication (2004) 279, 42359-42362

2. Songon An and Karin Musier-Forsyth Cys-tRNAPro Editing by Haemophilus influenzae YbaK via a Novel Synthetase-YbaK-tRNA Ternary Complex Journal of Biological Chemistry (2005) 280, 34465-34472

3. Songon An, George Barany and Karin Musier-Forsyth “Evolution of Acceptor Stem tRNA Recognition by Class II Prolyl-tRNA SynthetaseNucleic Acids Research (2008) 36, 2514-2521

4. Brian Burke, Songon An and Karin Musier-Forsyth Functional Guanine-Arginine Interaction Between tRNAPro and Prolyl-tRNA Synthetase that Couples Binding and Catalysis Biochimica et Biophysica Acta - Proteins and Proteomics (2008) 1784, 1222-1225

5. Songon An*, Ravindra Kumar, Erin D. Sheets*, and Stephen J. Benkovic* “Reversible Compartmentalization of de novo Purine Biosynthetic Complexes in Living Cells” Science (2008) 320, 103-106 *Co-corresponding authors

(i) Chemistry & Engineering News – Latest News:

(ii) ACS Chemical Biology – Spotlight:

(iii) Faculty of 1000 Biology – FFa12:

6. Anjali Mascarenhas, Songon An, Abbey E. Rogen, Susan Martinis and Karin Musier-Forsyth “Fidelity Mechanism of Aminoacyl-tRNA Synthetases” in Protein Engineering (2009) Eds. Uttam L. RajBhandary and Caroline Köhrer, Springer-Verlag Berlin Heidelberg, ISBN: 978-3-540-70937-4, e-ISBN: 978-3-540-70941-1, pp155-203

7. Songon An, Minjoung Kyoung, Jasmina J. Allen, Kevan M. Shokat and Stephen J. Benkovic “Dynamic Regulation of a Metabolic Multi-Enzyme Complex by Protein Kinase CK2Journal of Biological Chemistry (2010) 285, 11093-11099

8. Songon An, Yijun Deng, John W. Tomsho, Minjoung Kyoung, and Stephen J. Benkovic “Microtubule-assisted Mechanism for Functional Metabolic Macromolecular Complex FormationProceedings of the National Academy of Sciences USA (2010) 107, 12872-12876

9. Byung Ran So, Songon An, Sandeep Kumar, Mom Das, Daniel A. Turner, Christopher M. Hadad  and Karin Musier-Forsyth “Substrate-mediated fidelity mechanism ensures accurate decoding of proline codons” Journal of Biological Chemistry (2011) 286, 31810-31820

10. Florence Verrier*, Songon An*, Ann M. Ferrie, Haiyan Sun, Minjoung Kyoung, Huayun Deng, Ye Fang and Stephen J. Benkovic “GPCR regulates the assembly of a multienzyme complex for purine biosynthesis” (2011) 7, 909-915 *Co-first authors



1. Florence Verrier, Songon An, Ye Fang, and Stephen J. Benkovic “Methods to identify targets and molecules regulating purinosomes and their uses” (2010)