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Missing 3Dmol-min.js on Local 3Dmol Server
Why is my local 3Dmol server redirecting to browser to https://get.webgl.org/? If you access your local 3Dmol server with a browser, and you see the https://get.webgl.org/ Website displayed, it's most likely missing the 3Dmol-min.js file on the server. This may happen if 3Dmol server was not install...
2023-02-19, 1498🔥, 0💬

Hash Bond with Solid Line
Why Hash Bond with a Solid Line used by Open Babel? Sometimes, when a hash bond is located on a ring structure, Open Babel adds a solid line to the hash bond. Here is an example SDF/Mol file, Hash-with-Solid-Line.sdf, that has 4 stereo centers on a ring structure. Hash-with-Solid-Line FYICenter.com ...
2022-07-26, 1490🔥, 0💬

Use the Online Version of 3Dmol.js Library
How to use the online version of the 3Dmol.js Library to draw a graphical object? I don't want to install the library locally. Yes, you can follow these steps to the online version of the 3Dmol.js library to draw graphical objects. The online version is located at https://3Dmol.csb.pitt.edu/bui ld/3D...
2022-12-24, 1482🔥, 0💬

"babel" Command - Use "-o ..." as Output Delimiter
How to use "-o ..." flag as a delimiter to separate output file from input files in a "babel" command? The "-o ..." flag is optional, since "babel" command can implicitly determine the output data format from the file extension of output file name. However, it is important to use the "-o ..." flag a...
2021-07-19, 1476🔥, 0💬

"babel -i fs ... -s query_file" - Substructure Search
Why am I getting no results with "babel -i fs ... -s query_file" command? It should perform a substructure search in a fastsearch index file. According to the "babel -H fs" help document, you can perform a substructure search in a fastsearch index file with the query molecule stored in a file in any...
2020-05-25, 1471🔥, 0💬

URL to Start Online 3Dmol Viewer
What Is URL to Start the Online 3Dmol Viewer? You can use the following URL to the the Online 3Dmol Viewer: https://3dmol.csb.pitt.edu/vie wer.htmlThe 3Dmol Viewer will display a blank window with a menu icon. Click the menu icon, you can see 3 options to load the molecule data into the viewer: Sele...
2023-09-07, 1470🔥, 0💬

Running Open Babel on CentOS
Where to find FAQ (Frequently Asked Questions) on running Open Babel on CentOS? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on running Open Babel on CentOS. Open Babel Installation Options on CentOS "DNF/YUM search" - No Open Babel Binary Pack...
2020-10-20, 1460🔥, 0💬

"select=..." - Select Substructure in 3Dmol Viewer
How to select substructure in the Online 3Dmol Viewer? You can use the select={Selection} URL parameter to select a substructure in the loaded molecule and specify a different style than the whole molecule. https://3dmol.org/viewer.html? select={Selection}&amp;sty le={Style}&amp;select={Sel ect...
2023-09-07, 1450🔥, 0💬

Read Stereoinformation from Input
How stereoinformation is being read from input data by Open Babel? Most molecule data files store stereoinformation in 3 ways: 0D, 2D, and 3D. 0D: Stereoinformation in 0 dimension is defined by parity (or chirality) at atom level. 2D: Stereoinformation in 2 dimension is defined by bond style as wedg...
2022-11-16, 1446🔥, 0💬

"babel -i fs ... -s ... -at score_range" - Similarity Search
How to perform a similarity search in a given score range using the fastsearch index file with the "babel" command? If you want to perform a similarity search in a specific score range using the fastsearch index file, you can use the following "babel" command syntax: babel -i fs index_file output_se...
2020-08-25, 1442🔥, 0💬

Using Fastsearch Fingerprint Index
Where to find FAQ (Frequently Asked Questions) on Using Fastsearch Fingerprint Index with Open Babel? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Using Fastsearch Fingerprint Index with Open Babel. "babel ... -o fs" - Generate Fastsearch In...
2020-09-30, 1439🔥, 0💬

Install BioPerl Package with "cpanm"
How to install BioPerl package with "cpanm" command? Using "cpanm" command is the best option to install the BioPerl distribution package automatically as shown in this tutorial on a CentOS computer: 1. Make sure that you have "cpanm" command installed. If not run the command below: fyicenter$ sudo ...
2023-02-28, 1432🔥, 0💬

"babel ... -o svg -xd -xP300" Bug - Option -d takes a parameter
Why "babel ... -o svg -xd -xP300" command is giving the "Option -d takes a parameter" error in Open Babel 2.4? It seems to be another code bug in the "babel" command in Open Babel 2.4 release. "-xd" option for "svg" output format should not require any parameters according the help document: "d - do...
2020-07-15, 1432🔥, 0💬

Reaction with Stereocenters in CDXML Format Error
Why am I getting CDXML loader errors on reactions with stereocenters? Ketcher 2.11.0 has a code bug that gives you a CDXML loader error if you try to load a reaction with stereocenters in CDXML (ChemDraw XML) format as shown in this tutorial. 1. Open Ketcher editor as shown in previous tutorial. 2. ...
2024-01-10, 1408🔥, 0💬

"style={...};{...}" - Specify Multiple Styles
How to Specify Multiple Styles using the "style={...};{...}" URL parameter in the Online 3Dmol Viewer? If you want overlay the selected structure in multiple styles, you can provide a semicolons separated list of styles. For example, the following URL displays the protein structure overlaid in 2 sty...
2023-09-07, 1408🔥, 0💬

Examples Provided in JSME
Where to find more examples on using JSME? The JSME distribution package provides a number example on how to use JSME. If you open "./JSME_2022-09-26/index.html" in a Web browser, you see the following examples: JSME_minimal.html - minimalistic example how to incorporate JSME into a web page JSME_te...
2023-01-18, 1408🔥, 0💬

Biopython for Sequence Motif Analysis
Where to find FAQ (Frequently Asked Questions) on Biopython for Sequence Motif Analysis? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Biopython for Sequence Motif Analysis. What Is Sequence Motif Analysis Create Motif With Biopython Bio.moti...
2023-07-29, 1404🔥, 0💬

"babel" - FP2 Fingerprint Fragment Ends at Ring
What happens if a ring is in the molecule FP2 fragment path? In the Open Babel FP2 fingerprint algorithm, if a ring is in the fragment path, the path will end when the atom meets the same atom again in the path. In other words, the same atom in a ring should not appear twice in the same fragment pat...
2020-12-02, 1403🔥, 0💬

"babel" Command - Output Data Destination and Format
How to specify Output Data Destination and Format for a "babel" command? "babel" command arguments and options are organized into 3 sections as shown in the following syntax to convert chemical data from input to output with specified options. babel input_section output_section option_section You us...
2021-07-19, 1396🔥, 0💬

Call getSmiles() and getSmarts() Nested
How to call getSmiles() and getSmarts() methods in 2 promises one nested in the other? One way to avoid the bug mentioned in the previous tutorial is to call ketcher.getSmiles() and ketcher.getSmarts() methods in 2 promises one nested in the other. This can be done by calling ketcher.getSmiles() fir...
2024-01-24, 1392🔥, 0💬

Ketcher File Structure
How is the Ketcher file structured? At a high level, a Ketcher file is structured to represent an object with a required property "root", which has a property "nodes" to hold an array of graphical objects. The hight level structure of a Ketcher file looks like this: { "root": { "nodes": [ &lt;ob...
2024-04-14, 1389🔥, 0💬

Start Online 3Dmol Viewer on Linux
How to start Online 3Dmol Viewer on my local server? If you have installed the Online 3Dmol Viewer in your home directory as shown in the previous tutorial, you can start and test it with these steps: 1. Go to the Online 3Dmol Viewer directory: fyicenter$ cd 3Dmol.js/packages/learning-env ironment2....
2023-09-10, 1386🔥, 0💬

Read Motif in JASPAR Format with Bio.motifs
How to Read Motif in JASPAR Format with Bio.motifs Module? The Bio.motifs.read() function allows to read motif files in several formats including JASPAR. 1. Download motif file in JASPER format by going to https://jaspar.genereg.net/mat rix/MA0080.5/and clicking the "JASPAR" download button. You see...
2023-07-05, 1386🔥, 0💬

What Is Ketcher Indigo Interface
What is Ketcher Indigo interface? Ketcher Indigo interface is part of the Ketcher JavaScript API that allows you to use some Indigo Toolkit functionalities. To access Ketcher Indigo interface, you need to access the "ketcher" object as a property of the content "window" object of the "iframe" where ...
2023-11-13, 1384🔥, 0💬

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