Comprehensive Guide to iCn3D Structure Viewer Features

Explore the diverse functionalities of iCn3D Structure Viewer through this detailed tutorial by Jiyao Wang, emphasizing H-Bonds, Interactions, Electrostatic Potential, Alternate Mutant, Wild Type, VAST+ Alignment, Multiple Chain Alignment, and more. Learn how to utilize different views, graphs, tables, alignments, and annotations effectively for molecular visualization and analysis.

• Molecular Visualization
• Structural Biology
• Bioinformatics
• 3D Modeling
• Protein Structures

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Uploaded on Jul 29, 2024 | 1 Views

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1. Tutorial of iCn3D Structure Viewer - Part 2 Jiyao Wang Staff Scientist NIH/NCBI 5/27/2021 (more details at iCn3D page, more features at gallery)

2. 1. H-Bonds & Interactions in different views

3. 1. H-Bonds & Interactions: 2D Interaction Graph and 2D Interaction Table Share Link: https://structure.ncbi.nlm.nih.gov/icn3d/share.html?Cen4NzadoSLYd2T66

4. 1. H-Bonds & Interactions: Force-directed Graph and No-force Graph Share Link: https://structure.ncbi.nlm.nih.gov/icn3d/share.html?dfjYtCRDnXa4tDpm8

5. 2. Electrostatic Potential Share Link: structure.ncbi.nlm.nih.gov/icn3d/share.html?XCxR6fSTmXHxR3o1A

6. 3. Alternate Mutant and Wild Type Share Link: https://structure.ncbi.nlm.nih.gov/icn3d/share.html?7HCiMKzwTMnCeE2V8

7. 4. VAST+ Alignment: https://www.ncbi.nlm.nih.gov/Structure/vastplus/vastplus.cgi?uid=6m0j

8. 4. VAST+ Alignment: Realign Press letter a to alternate the structures

9. 5. Multiple Chain Alignment

10. 5. Align Sequence to Structure:

11. 6. Align Sequence to Structure: Annotations

12. 7. Annotations: Add tracks, Custom Colors

13. 8. Embed iCn3D using iFrame iFrame: <iframe src="https://www.ncbi.nlm.nih.gov/Structure/icn3d/full.html?mmdbid=1tup&width=300& height=300&showcommand=0&mobilemenu=1&showtitle=0" width="320" height="320" style="border:none"></iframe>

14. 9. Use iCn3D as a widget Example code at: www.ncbi.nlm.nih.gov/Structure/icn3d/example.html add commands (www.ncbi.nlm.nih.gov/Structure/icn3d/icn3d.html#commands) cfg[ command ] = color spectrum ; <script type="text/javascript"> $( document ).ready(function() { function setupViewer(idName, idValue, divid, command) { var cfg = { divid: divid, width: 300, height: 300, mobilemenu: true, showcommand: false, showtitle: false, command: command}; cfg[idName] = idValue; var icn3dui = new icn3d.iCn3DUI(cfg); $.when(icn3dui.show3DStructure()).then(function() { }); } setupViewer( mmdbid', '1tup', 'div0 , color spectrum ); }); </script>

15. 10. Use iCn3D to write Node.js script icn3d package at npm: www.npmjs.com/package/icn3d Example Node.js script: github.com/ncbi/icn3d/blob/master/icn3dnode/interaction2.js Installation Node.js Script npm install icn3d global.THREE = require('three'); let jsdom = require('jsdom'); global.$ = require('jquery')(new jsdom.JSDOM().window); #dependency: npm install jquery npm install jsdom npm install three let icn3d = require('icn3d'); let icn3dui = new icn3d.iCn3DUI({});

16. 11. Build iCn3D install nodejs and npm. git clone https://github.com/ncbi/icn3d.git npm install -g gulp npm install gulp Complete package of iCn3D including Three.js and jQuery can be downloaded from https://www.ncbi.nlm.nih.gov/Structure/icn3d/icn3d-3.1.3.zip. full.html:

17. 12. iCn3D Development Instruction: www.ncbi.nlm.nih.gov/Structure/icn3d/icn3d.html#addclass Download iCn3D local copy: www.ncbi.nlm.nih.gov/Structure/icn3d/icn3d-3.1.3.zip Example: module.html loadStateFile.js <script type="module"> import * as icn3d from './icn3d.module.js'; // add new classes import {LoadStateFile} from './loadStateFile.js ; // import any classes from icn3d.module.js import {LoadScript} from './icn3d.module.js'; // class name starts with an upper-case letter class LoadStateFile { // pass the instance of the class iCn3D constructor(icn3d) { this.icn3d = icn3d; } var icn3dui = new icn3d.iCn3DUI(cfg); $.when(icn3dui.show3DStructure()).then(function() { // call classes here var loadStateFileCls = new LoadStateFile(icn3dui.icn3d); loadStateFileCls.loadStateFile('color spectrum'); }); // functions start with a lower-case letter // use "ic" to access the instance of iCn3D class loadStateFile(fileStr) { var ic = this.icn3d; // "ic" has a lot of class instances such as "loadScriptCls" ic.loadScriptCls.loadScript(fileStr, true); } } // export your class export {LoadStateFile}