Dr. Srinath Cheluvaraja

  (412) 648-7775

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  Research Associate
    Dr. Chakra Chennubhotla

  (412) 648-7785

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  Research Associate
    Dr. Edward Lyman

  (412) 648-7767

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  Research Associate
    Dr. Shaun Mahony

  (412) 648-8688

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  Research Associate
  Dr. Rajan Munshi

 


  Research Associate

My research involves analysis of gene expression data from oligonucleotide DNA microarray experiments. Expression profiles from five regions of the rat brain were obtained in the absence and presence of cocaine by hybridization on commercially available microarrays from Affymetrix, Inc. Using clustering techniques, our goals are (i) to determine if cocaine treatment affects a particular region of the brain, and (ii) to identify a set of genes that are regulated in response to cocaine."

  Dr. Indira Shrivastava

  (412-648-7767)

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  Research Associate

Membrane proteins transport ions and/or solutes across the membrane and are capable of making transitions between conducting and non-conducting conformations. At the theoretical level, molecular dynamic simulations serve as an investigative tool to understand the functioning of the membrane proteins at the molecular level, but are limited to accessing only local conformational changes. The Gaussian Network Model (GNM) explores the large-scale conformational changes which occur over a longer time scale and are more global, in their properties. Thus, with a judicious combination of MD simulations and GNM , I hope to be able to predict local and global structural changes associated with the transport mechanisms of membrane proteins.

  Dr. Dror Tobi

  (412) 648-7785

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  Research Associate
    Dr. Ron White

  (412) 648-7775

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  Research Associate
  Dr. Lee-Wei Yang

  (412) 383-5743

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  Research Associate

My research interest is to reveal the structure-dyanmics-function relationship. Simplified elastic network models are used as means to identify the common dynamic pattern using a large set of nonhomologous enzymes and utilize the found common pattern as a feature to improve the prediction of the location of active site in enzymes. The current challenge is to characterize the common dynamic pattern contributed by proteins of different folds in a given enzyme family. I'm also interested in constructing biological databases and creating web-based dynamics calculation tools.

For a detailed research description please click here.

  Dr. Marty Ytreberg

  (412) 648-7767

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  Research Associate

I'm interested in developing rigorous, fast methods for calculating free energy differences (i.e. binding affinities) based upon Jarzynski's relation. The goal is to be able to reliably and rigorously estimate free energy differences with as few work values as possible. I'm also interested in developing algorithms that are capable of helping us understand large conformational changes and binding/unbinding events in proteins.



University of Pittsburgh ---------- School of Medicine
W1041 Biomedical Science Tower  200 Lothrop St., Pittsburgh, PA 15261.     Phone : (412) 648-3333,  Fax: (412) 648-3163

Tel : (412) 648-6671,  Fax: (412) 648-6676