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Updated: Jun 24, 2026

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Published on: November 21, 2013

Structural pattern matching of nonribosomal peptides.

Ségolène Caboche¹, Maude Pupin, Valérie Leclère

¹Computer Science Laboratory of Lille, UMR USTL/CNRS 8022, INRIA, F59655, Villeneuve d'Ascq, France. segolene.caboche@lifl.fr

BMC Structural Biology

|March 20, 2009

Summary

A new method efficiently searches the NORINE database for nonribosomal peptide (NRP) structural patterns. This enables rapid analysis of complex peptide structures and their biological activities.

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Area of Science:

Biochemistry
Bioinformatics
Computational Biology

Background:

Nonribosomal peptides (NRPs) are microbial secondary metabolites with diverse bioactivities, including antibiotic, immunosuppressant, and antitumor properties.
NRP structures can be complex, featuring non-linear arrangements like cycles and branchings, with hundreds of possible monomeric units.
The NORINE database catalogs over 700 NRPs, representing their structures as labeled graphs for systematic analysis.

Purpose of the Study:

To develop an efficient computational method for searching structural patterns within the NORINE database.
To facilitate systematic analysis of NRP structural motifs and their potential functional roles.

Main Methods:

Developed an efficient algorithm for identifying substructures within peptide graphs.
Applied a variant of the maximum common subgraph problem by computing cliques in a compatibility graph.

Main Results:

The method enables rapid identification of all peptides containing a specified pattern substructure.
The search process is highly efficient, completing in under one second for the entire NORINE database.

Conclusions:

The developed pattern searching method has been integrated into the NORINE database.
This advancement significantly enhances the utility of NORINE for researchers studying nonribosomal peptide structures and functions.