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. 2017 Nov 14;46(Database issue):D542–D550. doi: 10.1093/nar/gkx1104

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© The Author(s) 2017. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — iPTMnet system components. (1) A text mining system for PTM knowledge extraction from scientific literature; (2) PTM information from high-quality manually curated databases; (3) ontologies for knowledge representation and (4) iPTMnet knowledgebase with integrated information and web portal linking the system components to support interactive scientific queries and data visualization of PTMs.