Research


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Bioinformatics

Prediction and characterization of protein function and structure

▪  protein function and disease associations

▫  PhenoPred

▪  prediction and analysis of protein post-translational modification sites

▫  phosphorylation

▫  methylation (we are working on the update!)

▪  predictor of intrinsically disordered proteins

▫  VL3 models (best models at CASP5)

▫  VSL2 model (best model at CASP7 and, in a slightly older form, CASP6)

▪  database of intrinsically disordered proteins

▫  DisProt

▪  prediction and analysis of catalytic residues

 

Computational proteomics

▪  prediction of peptide fragmentation spectra (web site)

▪  peptide detectability in MS/MS experiments (web site)

▪  protein inference problem from MS/MS data (web site)

 

Prediction and characterization of functionally deleterious mutations

▪  prediction of functionally deleterious mutations

 

Visualization

▪  visualizing statistically significant differences between two sets of multiple sequence alignments (Two Sample Logo)

 


 

Machine Learning/Data Mining

Classification from noisy, high-dimensional, class-imbalanced, and heterogeneous data

▪  feature selection algorithms

▪  estimation

▪  exploiting unlabeled data

▪  clustering

 

Authentic paper detection

▪  we are interested in the statistical properties of authentic human-written expository documents, e.g. scientific papers

▪  we are interested in identifying authentic documents using information theory and machine learning

▪  check out this Inauthentic paper detector

 


 

Group Meetings and Journal Club

Fall 2008: Wednesdays 3pm-4:30pm, Informatics 232

 

Group meeting web site.


 

Advisees and Co-advisees

Post-doctoral fellows

▪  Biao Li

 

Ph.D. students

▪  Wyatt Clark

▪  Yong Li (primary advisor: Haixu Tang)

▪  Amrita Mohan

▪  Fuxiao Xin

 

Master's students

▪  Jun Ma (primary advisor:  Haixu Tang)

▪  Nathan Nehrt

▪  Nils Schimmelmann

 

Undergraduate students

▪  Gitte Schimmelmann

 

Student Awards

  • Amrita Mohan, 2007-2009, $38,750 Lilly Fellowship, Eli Lilly and Company Foundation

  • Amrita Mohan, 2007, $600 Travel Award from NSF to attend Academic Workshop for Underrepresented Assistant Professors, Associate Professors, and Senior Doctoral Students, organized by the Coalition to Diversify Computing (CDC).

  • Amrita Mohan, 2007, Teaching Award, School of Informatics, Indiana University

  • Pedro Alves, 2007, $1,250 Travel Award for PSB 2007, National Institutes of Health

  • Wyatt Clark, 2006, $750 Travel Award for SDM 2006, Lawrence Livermore National Laboratory

  • James Costello, 2006, $750 Travel Award for SDM 2006, Lawrence Livermore National Laboratory

  • Narmada Jayasankar; $100, Best Poster Award, InWIC 2006

  • Kenneth Daily; 2005, $400, Travel Award for CIBCB 2005, IEEE Computational Intelligence Society

  • Stuart Young, 2004; $3000, McNair Fellowship, Indiana University


 

Alumni

Name  Degree    Graduation date    Primary advisor   Next position, if known
Augusto Alves B.S. 05/2008    M.S. student, HCI/d, School of Informatics, Indiana University, Bloomington
Arunima Ram M.S. 05/2008    Software engineer, Interactive Intelligence, Indianapolis, Indiana
Harini Gopalakrishnan M.S. 10/2007    Monarch Life Sciences, Indianapolis, Indiana
Aaron Buechlein M.S. 04/2007    Quality assurance associate, Ingenuity Systems, Redwood City, California
Pedro Alves M.S. 04/2007    Ph.D. student; Biological and Biomedical Sciences, Yale University
Sean Boyle M.S. 04/2007    Ph.D. student; Genetics, Genomics and Bioinformatics, Department of Biology, UC Riverside
Narmada Jayasankar M.S. 06/2006    Software Design Engineer in Test; Core File Services, Microsoft, Redmond, Washington
Divya Aggarwal M.S. 05/2006 Haixu Tang  Los Alamos National Laboratory
Kenneth Daily M.S. 05/2006    Ph.D. student; School of Information and Computer Science, UC Irvine
Sourav Roy M.S. 04/2006    Ph.D. student; Genetics, Genomics and Bioinformatics, Department of Biology, UC Riverside
Stuart Young M.S. 12/2004    N/A

 


 

Active Funding

Computational approaches to protein identification and quantification using MS/MS

▪  PI: Predrag Radivojac

▪  National Institutes of Health, R01 RR024236-01A1

▪  09/15/08-08/31/11

▪  $813,146

 

CAREER: Bioinformatics of protein post-translational modifications

▪  PI: Predrag Radivojac

▪  National Science Foundation, DBI-0644017

▪  07/01/07-06/30/12

▪  $595,948

 

Informatic profiling of clinically relevant mutation

▪  PI: Sean Mooney, Indiana University School of Medicine

▪  National Institute of Health, R01 LM009722-01

▪  10/01/07-09/30/11

▪  $1,314,515

▪  Role: co-Investigator

 

APT: the analytical proteomics team

▪  PI: Fred Regnier, Purdue University

▪  National Cancer Institute, U24 CA126480-01 (CPTAC webpage)

▪  10/01/06-08/31/11

▪  $5,959,801

▪  Role: co-PI

 


 

Completed Funding

Acquisition of a high-speed, high capacity storage system to support scientific computing: the data capacitor

▪  PI: Craig Stewart

▪  NSF CNS-0521433

▪  10/01/05-09/30/08

▪  $1,720,000

▪  Role: senior investigator

 

A hypothesis testing approach to identification and assessment of statistical significance of peptides and proteins in shotgun proteomics

▪  PI: Olga Vitek, Purdue University

▪  CLSIR, Purdue University - Indiana University pilot grant application program

▪  01/02/07-12/31/07

▪  $49,919

▪  Role: collaborator

 

Development of a machine learning tool for peptide identification from tandem mass spectrometry data

▪  PI: Randy J. Arnold

▪  Indiana University Faculty Research Support Program

▪  06/01/05-05/31/06

▪  $32,408

▪  Role: co-PI

 


Last modified: September 12, 2008