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href=\"https://gnome.glyomics.org/StructureBrowser.html\"\u003e\u003cimg align=\"right\" width=\"200px\" src=\"img/GNOme Structure Browser Button.png\"/\u003e\u003c/A\u003e [GlyTouCan](http://glytoucan.org) provides stable accessions for glycans described at varyious degrees of characterization, including compositions (no linkage) and topologies (no carbon bond positions or anomeric configurations). \n\nGNOme organizes these stable accessions  \n* for [interactive browsing](#interactive-tools),\n* for [text-based searching](#semantic-names), and\n* for [automated reasoning](#current-release)\n* with well-defined characterization levels.\n\nGNOme is a subproject of and is supported by the [GlyGen: Computational and Informatics Resources for Glycoscience](http://glygen.org/) project. \n\nGNOme is an [OBO Foundry](http://obofoundry.org/ontology/gno) ontology.\n\n## Interactive Tools\nUse the **[GNOme Glycan Structure Browser](https://gnome.glyomics.org/StructureBrowser.html)** to find glycan structures by composition, topology, and subsumption relationships. \n\nUse the **[GNOme Glycan Composition Browser](https://gnome.glyomics.org/CompositionBrowser.html)** to find glycan compositions by composition and subsumption relationships.\n\nDeep-linking is also supported, to jump to a specific GlyTouCan acccession: [G62109NW](https://gnome.glyomics.org/StructureBrowser.html?focus=G62109NW) or button state: [HexNAc(5)Hex(6)](https://gnome.glyomics.org/StructureBrowser.html?HexNAc=5\u0026Hex=6).\n\n\n### Restrictions ###\nGNOme restrictions support specific subsets of GlyTouCan accessions:\n* [N-linked](https://glycomotif.glyomics.org/glycomotifdev/GGM.001001#Alignments) Glycans: [Structure Browser](https://gnome.glyomics.org/restrictions/NGlycans.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/NGlycans.CompositionBrowser.html).\n* [GlyGen](http://glygen.org): [Structure Browser](https://gnome.glyomics.org/restrictions/GlyGen.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlyGen.CompositionBrowser.html).\n  * [GlyGen](http://glygen.org) N-linked Glycans: [Structure Browser](https://gnome.glyomics.org/restrictions/GlyGen_NGlycans.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlyGen_NGlycans.CompositionBrowser.html).\n  * [GlyGen](http://glygen.org) N-linked [GlycoTree](https://sandbox.glyomics.org/) Glycans: [Structure Browser](https://gnome.glyomics.org/restrictions/GlycoTree_NGlycans.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlycoTree_NGlycans.CompositionBrowser.html).\n  * [GlyGen](http://glygen.org) O-linked Glycans: [Structure Browser](https://gnome.glyomics.org/restrictions/GlyGen_OGlycans.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlyGen_OGlycans.CompositionBrowser.html).\n  * [GlyGen](http://glygen.org) O-linked [GlycoTree](https://sandbox.glyomics.org/) Glycans: [Structure Browser](https://gnome.glyomics.org/restrictions/GlycoTree_OGlycans.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlycoTree_OGlycans.CompositionBrowser.html).\n* [GlyCosmos](https://glycosmos.org/glycans/index): [Structure Browser](https://gnome.glyomics.org/restrictions/GlyCosmos.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlyCosmos.CompositionBrowser.html).\n* [PubChem Compounds](https://pubchem.ncbi.nlm.nih.gov/): [Structure Browser](https://gnome.glyomics.org/restrictions/PubChemCID.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/PubChemCID.CompositionBrowser.html).\n* [GlyConnect Structures](https://glyconnect.expasy.org/): [Structure Browser](https://gnome.glyomics.org/restrictions/GlyConnect.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/GlyConnect.CompositionBrowser.html).\n* [BCSDB](http://csdb.glycoscience.ru/bacterial/): [Structure Browser](https://gnome.glyomics.org/restrictions/BCSDB.StructureBrowser.html), [Composition Browser](https://gnome.glyomics.org/restrictions/BCSDB.CompositionBrowser.html).\n\n## Semantic Names\n[GNOme Glycan Synonyms](data/exact_synonym.txt) support quick lookup of commonly used composition strings and other semantic glycan names. \n\n## Current Release\n[GNOme.owl](https://github.com/glygen-glycan-data/GNOme/releases/latest/download/GNOme.owl), \n[GNOme.obo](https://github.com/glygen-glycan-data/GNOme/releases/latest/download/GNOme.obo), \n[GNOme.json](https://github.com/glygen-glycan-data/GNOme/releases/latest/download/GNOme.json)\n\n### Stable URLs\nThe current release of GNOme is always available at the permanent URLs: \n* http://purl.obolibrary.org/obo/gno.owl\n* http://purl.obolibrary.org/obo/gno.obo\n* http://purl.obolibrary.org/obo/gno.json\n\n### Older Releases\nTagged and versioned releases are also [available](https://github.com/glygen-glycan-data/GNOme/releases).\n\n## Repository\nGNOme input data-files, resulting ontologies, and interactive widgets are managed at [GitHub](https://github.com/glygen-glycan-data/GNOme). \n\n## Contact\nPlease submit issues, suggestions, corrections to the [issue tracker](https://github.com/glygen-glycan-data/GNOme/issues).\n\n## Reference\nIf you use GNOme in your work, please cite the GNOme manuscript: Zhang W, Vesser M, Edwards N. [GNOme, an ontology for glycan naming and subsumption.](https://doi.org/10.1007/s00216-025-05757-8) Analytical and Bioanalytical Chemistry (2025). doi:[10.1007/s00216-025-05757-8](https://doi.org/10.1007/s00216-025-05757-8). PMID:[39921684](https://pubmed.ncbi.nlm.nih.gov/39921684/).\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fglygen-glycan-data%2Fgnome","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fglygen-glycan-data%2Fgnome","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fglygen-glycan-data%2Fgnome/lists"}