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Browsing by Author "Heiland, Randy"

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    MutDB services: interactive structural analysis of mutation data
    (Oxford University Press, 2005-07-01) Dantzer, Jessica; Moad, Charles; Heiland, Randy; Mooney, Sean; BioHealth Informatics, School of Informatics and Computing
    Non-synonymous single nucleotide polymorphisms (SNPs) and mutations have been associated with human phenotypes and disease. As more and more SNPs are mapped to phenotypes, understanding how these variations affect the function and expression of genes and gene products becomes an important endeavor. We have developed a set of tools to aid in the understanding of how amino acid substitutions affect protein structures. To do this, we have annotated SNPs in dbSNP and amino acid substitutions in Swiss-Prot with protein structural information, if available. We then developed a novel web interface to this data that allows for visualization of the location of these substitutions. We have also developed a web service interface to the dataset and developed interactive plugins for UCSF's Chimera structural modeling tool and PyMOL that integrate our annotations with these sophisticated structural visualization and modeling tools. The web services portal and plugins can be downloaded from http://www.lifescienceweb.org/ and the web interface is at http://www.mutdb.org/ .
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    MutDB: update on development of tools for the biochemical analysis of genetic variation
    (Oxford University Press, 2007-09-07) Singh, Arti; Olowoyeye, Adebayo; Baenziger, Peter H.; Dantzer, Jessica; Kann, Maricel G.; Radivojac, Predrag; Heiland, Randy; Mooney, Sean D.; Medical and Molecular Genetics, School of Medicine
    Understanding how genetic variation affects the molecular function of gene products is an emergent area of bioinformatic research. Here, we present updates to MutDB ( http://www.mutdb.org ), a tool aiming to aid bioinformatic studies by integrating publicly available databases of human genetic variation with molecular features and clinical phenotype data. MutDB, first developed in 2002, integrates annotated SNPs in dbSNP and amino acid substitutions in Swiss-Prot with protein structural information, links to scores that predict functional disruption and other useful annotations. Though these functional annotations are mainly focused on nonsynonymous SNPs, some information on other SNP types included in dbSNP is also provided. Additionally, we have developed a new functionality that facilitates KEGG pathway visualization of genes containing SNPs and a SNP query tool for visualizing and exporting sets of SNPs that share selected features based on certain filters.
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