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Contact Me

Office: 4423 Engr Building
Office Hours: T 4:00-5:00 pm
rangwala@cs.gmu.edu
703-993-3826

Software and Web Servers

My research has lead to the development of several software and web servers. These are made available to the academic research community.

NEW
PROSAT: PROtein reSidue Annotation Toolkit
PROSAT is a general purpose protein residue annotation toolkit to allow biologists to formulate residue-wise prediction problems. PROSAT formulates annotation problem as a classification or regression problem using support vector machines. The key features of PROSAT are its ease of use to incorporate any user-provided information in the form of feature matrices. For every residue PROSAT captures local information around the reside to create fixed length feature vectors. PROSAT implements accurate and fast kernel functions, and also introduces a flexible window-based encoding scheme that allows better capture of signals for certain prediction problems.
MONSTER: Minnesota prOteiN Sequence annoTation servER
MONSTER is a server for predicting the local structure and function properties of protein residues. MONSTER provides residue-wise annotation services, that include secondary structure, transmembrane-helix region, disorder region, protein-DNA binding site, \red {ligand-binding site}, local structure alphabet, solvent accessibility surface area, and residue-wise contact order prediction. MONSTER uses sequence-derived information (in the form of PSI-BLAST profiles), a window-based encoding scheme with an accurate kernel function to perform the classification or estimation. The user provides an amino acid sequence and selects the desired predictions, and submits a job to the MONSTER server. The results are emailed to the user as a link directing the user to a well formatted HTML output page.
MARINER: MinnesotA pRotein modelINg servER
MARINER is a server for predicting the three-dimensional structure of proteins using homology modeling based techniques. This server is always under development, and was used for participation in the CASP 8 protein structure prediction competition. Watch this space for a future version of this server. Also students at George Mason interested in the competition, please get in touch with me.
Profile-based Kernel Compute Package
kernel-compute is a package that computes pairwise profile-based similarity matrix. This matrix can
then be converted into a valid kernel matrix with an eigen value transformation. This scoring matrix has shown to be the best performing method for developing remote homology detection and fold recognition models.

News Highlights

  • Syed F to join the Lab.
  • Paper Accepted at Journal of Chemical Information & Modeling
  • Huzefa to serve on program committee for SIAM Data Mining Conference 2010 (SDM 2010)
  • Huzefa to serve on program committee for HiCOMB 2010
  • New funding received from NSF IIS for bridging chemical and biological spaces.
  • Two open positions for graduate students (MLBio+ Laboratory)
  • Ammar submits his 1st paper!
  • Salman's paper accepted at WISM-AICI 2009.
  • Huzefa presents 2 posters at ISMB 2009
  • Sheng Li and Anveshi join the lab this Fall
more

Bioinformatics & Data Mining

  • PrePrint: Skewed Rotation Symmetry Group Detection
  • PrePrint: Object Detection with Discriminatively Trained Part Based Models
  • PrePrint: Large Scale Discovery of Spatially Related Images
  • PrePrint: Epitomic Location Recognition
  • PrePrint: Class Conditional Nearest Neighbor for Large Margin Instance Selection
more

(c) Rangwala 2008, George Mason University, Fairfax, VA