Combinatorial Model for Sequence and Spatial Motif Discovery in Short Sequence Fragments: Examples from Beta-barrel Membrane Proteins

Overview

Journal Conf Proc IEEE Eng Med Biol Soc

Specialty Biomedical Engineering

Date 2007 Oct 20

PMID 17947032

Citations 3

Authors

Ronald Jackups Jr

Jie Liang

Affiliations

Soon will be listed here.

Abstract

Motifs are over-represented sequence or spatial patterns appearing in proteins. They often play important roles in maintaining protein stability and in facilitating protein functions. When motifs are located in short sequence fragments, as in transmembrane domains that are only 10-20 residues in length, and when there is only very limited data, it is difficult to identify motifs. In this study, we develop combinatorial models for assessing statistically significant sequence and spatial patterns. We show our method can uncover previously unknown sequence and spatial motifs in beta-barrel membrane proteins.

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