Athi N. Naganathan

Athi N. Naganathan

Assistant Professor
Ph. D., University of Maryland, USA
B. Tech., Anna University, Chennai
Office: BT 101
Tel: +91-44-2257-4140
Email: athi@iitm·ac·in
Lab: BT 216(Website)

Research Interests

  • Experimental Characterization of Protein Conformational Behavior
  • Modeling and Predicting Folding Landscapes using Statistical Models
  • Understanding Protein Folding and Dynamics through Coarse-Grained and All-Atom Molecular Simulations
  • Multi-Scale Exploration of Protein Conformational Ensembles

Publications

2018

45. Encarnación Medina-Carmona, Isabel Betancor-Fernández, Jaime Santos, Noel Mesa-Torres, Silvia Grottelli, Cristina Batlle, Athi N. Naganathan, Elisa Oppici, Barbara Cellini, Salvador Ventura, Eduardo Salido & Angel L. Pey (2018). Insight into the Specificity and Severity of Pathogenic Mechanisms Associated with Missense Mutations through Experimental and Structural Perturbation Analyses.Human Molecular Genetics., (In Press, DOI: 10.1093/hmg/ddy323).  

44. Sneha Munshi, Soundhararajan Gopi, Gitanjali Asampille, Sandhyaa Subramanian, Luis Campos, Hanudatta Atreya & Athi N. Naganathan (2018). Tunable Order-Disorder Continuum in Protein-DNA Interactions. Nucleic Acids Res., (In Press, DOI: 10.1093/nar/gky732).  

43. Abhihek Narayan & Athi N. Naganathan (2018). Switching Protein Conformational Substates by Protonation and Mutation. J. Phys. Chem. B. (In Press, DOI: 10.1021/acs.jpcb.8b05108).  

42. Sneha Munshi, Divya Rajendran & Athi N. Naganathan (2018). Entropic Control of an Excited Folded-Like Conformation in a Disordered Protein Ensemble. J. Mol. Biol., 430, 2688-2694.  

  [Recommended by Faculty of 1000 (F1000)]

41. Soundhararajan Gopi, Suvadip Paul, Sayan Ranu & Athi N. Naganathan (2018). Extracting the Hidden Distributions Underlying the

Mean Transition State Structures in Protein Folding. J. Phys. Chem. Lett., 9, 1771-1777.  

40. Sneha Munshi, Soundhararajan Gopi,  Sandhyaa Subramanian,  Luis Campos & Athi N. Naganathan (2018). Protein Plasticity driven by Disorder and Collapse governs the Heterogeneous Binding of CytR to DNA. Nucleic Acids Res., 46, 4044-4053.  

39. Soundhararajan Gopi,  Devanshu Devanshu,  Praveen Krishna & Athi N. Naganathan (2018). pStab: Prediction of Stable Mutants, Unfolding Curves, Stability Maps and Protein Electrostatic Frustration. Bioinformatics., 34, 875-877.  

2017

38. Nandakumar Rajasekaran, Ashok Sekhar & Athi N. Naganathan (2017). A Universal Pattern in the Percolation and Dissipation of Protein Structural Perturbations. J. Phys. Chem. Lett., 8, 4779–4784.  

  [Recommended by Faculty of 1000 (F1000)]

37. Soundhararajan Gopi, Animesh Singh, Swaathiratna Suresh, Suvadip Paul, Sayan Ranu & Athi N. Naganathan (2017). Toward a Quantitative Description of Microscopic Pathway Heterogeneity in Protein Folding. Phys. Chem. Chem. Phys., 19, 20891 – 20903.  

36. Nandakumar Rajasekaran & Athi N. Naganathan (2017). A Self-Consistent Structural Perturbation Approach for Determining the Magnitude and Extent of Allosteric Coupling in Proteins. Biochem. J., 474, 2379–2388.  

35. Abhishek Narayan & Athi N. Naganathan (2017). Tuning the Continuum of Structural States in the Native Ensemble of a Regulatory Protein. J. Phys. Chem. Lett.,  8, 1683–1687.  

34. Abhishek Narayan, Luis A. Campos, Sandhya Bhatia, David Fushman & Athi N. Naganathan (2017). Graded Structural Polymorphism in a Bacterial Thermosensor Protein. J. Am. Chem. Soc., 139, 792–802.  

33. Nandakumar Rajasekaran, Swaathiratna Suresh, Soundhararajan Gopi, Karthik Raman & Athi N. Naganathan (2017). A General Mechanism for the Propagation of Mutational Effects in Proteins. Biochemistry, 56, 294–305.  

2016

32. Athi N. Naganathan (2016). Predictive Modeling of Protein Folding Thermodynamics, Mutational Effects and Free-Energy Landscapes. Proc. Indian Natn. Sci. Acad., 82, 1211-1228.  

31. Priyashree Chaudhary, Athi N. Naganathan & M. Michael Gromiha (2016). Prediction of change in protein unfolding rates upon point mutations in two state proteins. Biochim. Biophys. Acta., 1864, 1104–1109.  

30. Nandakumar Rajasekaran, Soundhararajan Gopi, Abhishek Narayan & Athi N. Naganathan (2016)Quantifying Protein Disorder through Measures of Excess Conformational Entropy. J. Phys. Chem. B, 120, 4341–4350. 

[Recommended by Faculty of 1000 (F1000)]

29. Beatriz Ibarra-Molero, Athi N. Naganathan, Jose M. Sanchez-Ruiz & Victor Muñoz (2016). Modern Analysis of Protein Folding by Differential Scanning Calorimetry. Methods Enzymol., 567, 281 – 318.  

2015

28. Athi N. Naganathan & David De Sancho (2015). Bridging Experiments and Native-Centric Simulations of a Downhill Folding Protein. J. Phys. Chem. B, 119, 14925–14933. 

27. Soundhararajan Gopi, Nandakumar Rajasekaran, Animesh Singh, Sayan Ranu & Athi N. Naganathan (2015). Energetic and Topological Determinants of a Phosphorylation-Induced Disorder-to-Order Protein Conformational Switch. Phys. Chem. Chem. Phys., 17, 27264-27269.  

26. Sneha Munshi & Athi N. Naganathan (2015). Imprints of Function on the Folding Landscape: Functional Role for an Intermediate in a Conserved Eukaryotic Binding Protein. Phys. Chem. Chem. Phys., 17, 11042 – 11052.  

25. Priyashree Chaudhary,  Athi N. Naganathan & M. Michael Gromiha (2015). Folding RaCe: A Robust Method for Predicting Changes in Protein Folding Rates upon Point Mutations. Bioinformatics,  pii: btv091.  

24. Athi N. Naganathan, Jose M. Sanchez-Ruiz, Sneha Munshi & Swaathiratna Suresh (2015). Are Protein Folding Intermediates the Evolutionary Consequence of Functional Constraints? J. Phys. Chem. B, 119, 1323–1333.  

2014

23. Athi N. Naganathan & Victor Muñoz (2014). Thermodynamics of Downhill Folding: Multi-Probe Analysis of PDD, a Protein that Folds Over a Marginal Free Energy Barrier. J. Phys. Chem. B, 118, 8982-8994.  

22. Abhishek Narayan & Athi N. Naganathan (2014). Evidence for the Sequential Folding Mechanism in RNase H from an Ensemble-Based Model. J. Phys. Chem. B, 118, 5050-5058.  

2013

21. Srinivasan Sivanandan & Athi N. Naganathan (2013). A Disorder-Induced Domino-Like Destabilization Mechanism Governs the Folding and Functional Dynamics of the Repeat Protein IkBa. PLoS Comput. Biol., 9(12): e1003403.  

20. Athi N. Naganathan & Modesto Orozco (2013). The Conformational Landscape of an Intrinsically Disordered DNA-Binding Domain of a Transcription Regulator. J. Phys. Chem. B, 117, 13842-13850.  

19. Athi N. Naganathan (2013). Coarse-Grained Models of Protein Folding as Detailed Tools to Connect with Experiments. WIREs: Comput. Mol. Sci., 3, 504-514.  

18. Athi N. Naganathan (2013). A Rapid, Ensemble and Free Energy Based Method for Engineering Protein Stabilities. J. Phys. Chem. B, 117, 4956-4964.  

2012

17. Athi N. Naganathan (2012). Predictions from an Ising-Like Statistical Mechanical Model on the Dynamic and Thermodynamic Effects of Protein Surface Electrostatics. J. Chem. Theory Comput., 8, 4646-4656.  

2011

16. Modesto Orozco, Laura Orellana, Adam Hospital, Athi N. Naganathan, Agusti Emperador, Oliver Carrillo & Josep L. Gelpí (2011). Coarse Grained Representation of Protein Flexibility: Foundations, Successes and Shortcomings. Adv. Protein Chem. Struct. Biol., 85, 183-215.  

15. Athi N. Naganathan, Raul-Perez Jimenez, Victor Muñoz & Jose M. Sanchez-Ruiz (2011). Estimation of Protein Folding Free Energy Barriers from Calorimetric Data by Multi-Model Bayesian Analysis. Phys. Chem. Chem. Phys., 13, 17064-17076.  

14. Athi N. Naganathan & Modesto Orozco (2011). The Protein Folding Transition-State Ensemble from a Gō-like Model. Phys. Chem. Chem. Phys., 13, 15166-15174.  

13. Athi N. Naganathan & Modesto Orozco (2011). The Native Ensemble and Folding of a Protein Molten-Globule: Functional Consequence of Downhill Folding. J. Am. Chem. Soc., 133, 12154-12161.  

12. Pierpaolo Bruscolini & Athi N. Naganathan (2011). Quantitative Prediction of Protein Folding Behaviors from a Simple Statistical Model. J. Am. Chem. Soc., 133, 5372-5379.  

2010

11. Athi N. Naganathan, Peng Li, Raul-Perez Jimenez, Jose M. Sanchez-Ruiz & Victor Muñoz (2010). Navigating the Downhill Protein Folding Regime via Structural Homologues. J. Am. Chem. Soc., 132, 11183-11190.  

10. Athi N. Naganathan & Victor Muñoz (2010). Insights into Protein Folding Mechanisms from Large-Scale Analysis of Mutational Effects. PNAS USA, 107, 8611-8616.  

2009

9. Stephen J. Decamp, Athi N. Naganathan, Steven A. Waldauer, Olgica Bakajin & Lisa J. Lapidus (2009). Direct Observation of Downhill Folding of l-Repressor in a Microfluidic Mixer. Biophys. J., 97, 1772-1777.  

8. Peng Li, Fabiana Y. Oliva, Athi N. Naganathan & Victor Muñoz (2009). Dynamics of One-State Downhill Protein Folding. PNAS USA, 106, 103-108.  

2008

7. Victor Muñoz, Mourad Sadqi, Athi N. Naganathan & David de Sancho (2008). Exploiting the Downhill Folding Regime via Experiment. HFSP J., 2, 342-353.  

6. Athi N. Naganathan & Victor Muñoz (2008). Determining Denaturation Midpoints in Multiprobe Equilibrium Protein Folding Experiments. Biochemistry, 47, 6752-6761.  

2007

5. Athi N. Naganathan, Urmi Doshi & Victor Muñoz (2007). Protein Folding Kinetics: Barrier Effects in Chemical and Thermal Denaturation Experiments. J. Am. Chem. Soc., 129, 5673-5682.  

2006

4. Athi N. Naganathan, Urmi Doshi, Adam Fung, Mourad Sadqi & Victor Muñoz (2006). Dynamics, Energetics and Structure in Protein Folding. Biochemistry, 45, 8466-8475.  

2005

3. Athi N. Naganathan, Jose M. Sanchez-Ruiz & Victor Muñoz (2005). Direct Measurement of Barrier Heights in Protein Folding. J. Am. Chem. Soc., 127, 17970-17971.  

2. Athi N. Naganathan, Raul Perez-Jimenez, Jose M. Sanchez-Ruiz & Victor Muñoz (2005). Robustness of Downhill Folding: Guidelines for the Analysis of Equilibrium Folding Experiments on Small Proteins. Biochemistry, 44, 7435-7449.  

1. Athi N. Naganathan & Victor Muñoz (2005). Scaling of Folding Times with Protein Size. J. Am. Chem. Soc., 127, 480-481.