Extended CADLIVE: a novel graphical notation for design of biochemical network maps and computational pathway analysis |
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Authors: | Kurata Hiroyuki Inoue Kentaro Maeda Kazuhiro Masaki Koichi Shimokawa Yuki Zhao Quanyu |
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Affiliation: | Department of Bioscience and Bioinformatics, Kyushu Institute of Technology, Iizuka, 820-8502, Fukuoka, Japan. kurata@bio.kyutech.ac.jp |
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Abstract: | Biochemical network maps are helpful for understanding the mechanism of how a collection of biochemical reactions generate particular functions within a cell. We developed a new and computationally feasible notation that enables drawing a wide resolution map from the domain-level reactions to phenomenological events and implemented it as the extended GUI network constructor of CADLIVE (Computer-Aided Design of LIVing systEms). The new notation presents ‘Domain expansion’ for proteins and RNAs, ‘Virtual reaction and nodes’ that are responsible for illustrating domain-based interaction and ‘InnerLink’ that links real complex nodes to virtual nodes to illustrate the exact components of the real complex. A modular box is also presented that packs related reactions as a module or a subnetwork, which gives CADLIVE a capability to draw biochemical maps in a hierarchical modular architecture. Furthermore, we developed a pathway search module for virtual knockout mutants as a built-in application of CADLIVE. This module analyzes gene function in the same way as molecular genetics, which simulates a change in mutant phenotypes or confirms the validity of the network map. The extended CADLIVE with the newly proposed notation is demonstrated to be feasible for computational simulation and analysis. |
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