Developing eThread pipeline using SAGA-Pilot abstraction for large-scale structural bioinformatics

TitleDeveloping eThread pipeline using SAGA-Pilot abstraction for large-scale structural bioinformatics
Publication TypeJournal Article
Year of Publication2014
AuthorsRagothaman A, Boddu SC, Kim N, Feinstein WP, Brylinski M, Jha S, Kim J
JournalBiomed Res Int
Volume2014
Pagination348725
Date Published2014
ISSN2314-6141
Abstract

While most of computational annotation approaches are sequence-based, threading methods are becoming increasingly attractive because of predicted structural information that could uncover the underlying function. However, threading tools are generally compute-intensive and the number of protein sequences from even small genomes such as prokaryotes is large typically containing many thousands, prohibiting their application as a genome-wide structural systems biology tool. To leverage its utility, we have developed a pipeline for eThread-a meta-threading protein structure modeling tool, that can use computational resources efficiently and effectively. We employ a pilot-based approach that supports seamless data and task-level parallelism and manages large variation in workload and computational requirements. Our scalable pipeline is deployed on Amazon EC2 and can efficiently select resources based upon task requirements. We present runtime analysis to characterize computational complexity of eThread and EC2 infrastructure. Based on results, we suggest a pathway to an optimized solution with respect to metrics such as time-to-solution or cost-to-solution. Our eThread pipeline can scale to support a large number of sequences and is expected to be a viable solution for genome-scale structural bioinformatics and structure-based annotation, particularly, amenable for small genomes such as prokaryotes. The developed pipeline is easily extensible to other types of distributed cyberinfrastructure.

DOI10.1155/2014/348725
Alternate JournalBiomed Research International
Full Text

iPaper

PreviewAttachmentSize
2014_bmri.pdf2.4 MB

© Michal Brylinski
This website is hosted at the CCT