Atom Biology General Molecule Tools Trial Virus

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"-o svg -xd -d" Bug in Open Babel 3.1.1
Why "obabel ... -o svg -xd -d" is not able to remove hydrogens? It seems to be code bug in the "obabel" command in Open Babel 3.1.1 release. In Open Babel 3.1.1 release, options -xd and -d are not respected together for SVG output in the "obabel -i sdf -o svg -xC -xt -xP400 -xd -d" command. For exam... 2023-01-24, 135👍, 0💬

Open Babel Web Interface at cheminfo.org
Is there any Web interface available for Open Babel? I want to try it before installing it on my local computer. You can try Open Babel on the Web interface provided by cheminfo.org. 1. Go to http://www.cheminfo.org/Chemis try/Cheminformatics/FormatConv erter/index.html. You see the Web interface tha... 2023-01-24, 134👍, 0💬

openbabel.cheminfo.org/v1/convert - Web API
How to make a HTTP request to the Open Babel Web API at openbabel.cheminfo.org/v1/conv ert?You can call the Open Babel Web API at https://openbabel.cheminfo.org /v1/convertwith a HTTP POST request as shown below. 1. Use "curl" command to call the Web API to generate a 3D SDF file from a given SMILES... 2023-01-24, 134👍, 0💬

"DNF/YUM install" - Open Babel Binary Packages
How to install Open Babel binary packages with DNF/YUM commands on CentOS systems? If you are running CentOS 8, you can follow this tutorial to install Open Babel binary packages: 1. Install "openbabel" package: fyicenter$ sudo sdf install openbabel Installed: openbabel-3.1.1-14.el8.x86_64 openbabel... 2023-01-24, 129👍, 0💬

JSME Tutorials
Where to find FAQ (Frequently Asked Questions) on JSME, Molecule Editor in JavaScript? I want to learn more about JSME. Here is a large collection of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on JSME, Molecule Editor in JavaScript: Introduction to JSME What I... 2023-01-18, 2503👍, 0💬

Install JSME 2017-02-26 Version
How to download and install JSME? If you want to try JSME on your own computer, you can follow this tutorial to download and install it. 1. Go to JSME Website at https://www.peter-ertl.com/jsm e/. 2. Click "Download the JSME 2017-02-26" to start downloading. 3. Save the download file as "JSME_2017-0... 2023-01-18, 145👍, 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, 135👍, 0💬

JSApplet.Inchi.computeInchi() - Generate InChI
How to generate InChI and InChIKey with the JSApplet.Inchi.computeInchi() method? The latest version of JSME allows you to generate InChI and InChIKey from a given molecule in SDF format. Here are the steps you can follow to do this in JavaScript code: 1. Create an empty object called "JSApplet" and... 2023-01-18, 135👍, 0💬

What Is Tanimoto coefficient
What Is Tanimoto coefficient? Tanimoto coefficient is a metric (or score) to measure the similarity of two sets of elements. Tanimoto coefficient can be simply defined as the ratio of the intersection of the two sets over the union of the two sets. More precisely, the Tanimoto coefficient of set A a... 2022-12-15, 12954👍, 2💬

💬 2022-12-15 Nio: Thank you for your detailed and clear explanation. It is very helpful and understandable.

💬 2022-10-01 Simpson: Interesting...

JSME Molecule Online Editor
How to create and edit a molecule structure with JSME molecule editor? To help you to create and edit a molecule structure, FYIcenter.com provides this JSME Molecule Online Editor tool. All you need to do is to click a menu icon and draw a molecule by adding one part at a time. When you are done, yo... 2022-12-15, 2729👍, 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, 549👍, 0💬

Stereo Perception Performed by Open Babel
What is stereo perception performed by Open Babel? Stereo perception performed by Open Babel is the process of constructing stereo centers with stereoinformation received from input data. Stereo perception is performed in the following order of precedence: 1. Constructing stereo centers with 3D ster... 2022-11-16, 547👍, 0💬

What Is Stereochemistry
What Is Stereochemistry? Stereochemistry is the study of stereoisomers, which are molecules having same atoms and same connectivities, but with different spatial arrangements. Here are some stereoisomers listed in the picture below: Example of Stereoisomers You can do stereochemistry with Open Babel... 2022-11-09, 614👍, 0💬

"obminimize" - Optimize Geometry/Energy of Molecule
What Is "obminimize" command? How to use it to optimize the geometry and minimize the energy for a given molecule? "obminimize" command is a command line tool provided in the Open Babel package that allows you to optimize the geometry and minimize the energy for a given molecule. Here is the user ma... 2022-08-27, 3026👍, 2💬

💬 2022-08-20 FYIcenter.com: @Nathjanan, Yes. Your command is correct.

💬 2022-08-17 Nathjanan: Hello, How can I optimize small molecues? obminimize -ff MMFF94 -n 1000 *.mol2 Is this command correct? Thanks

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, 557👍, 0💬

Stereochemistry with Open Babel
Where to find FAQ (Frequently Asked Questions) on doing Stereochemistry with Open Babel? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on doing Stereochemistry with Open Babel. What Is Stereochemistry Read Stereoinformation from Input Stereo Per... 2022-05-31, 735👍, 0💬

Structure Display Command on Open Babel GUI
How to change the display command on Open Babel GUI? By default, Open Babel GUI uses Firefox to display molecule structure. If you don't have Firefox installed, you will get an error: Obgui Error: Execution of command "firefox ..." failed. System cannot find the file. To fix the problem, you can cha... 2022-05-31, 630👍, 0💬

SMILES to 2D or 3D SDF/Mol Converter
How to convert SMILES to SDF/Mol file and view the molecule 2D or 3D structure? To help you converting SMILES to SDF/Mol file and view the 2D or 3D molecule structure, FYIcenter.com provides this SMILES to SDF/Mol Online Converter tool. All you need to do is to: Enter a SMILES string and click the "... 2022-04-27, 17491👍, 2💬

💬 2022-04-27 vish: hi

Custom Wedge/Hash with SVG output
How to create a molecule structure with custom wedge/hash bonds? I don't like the default presentation of wedge/hash bonds. As shown in the previous tutorial, Open Babel has its own algorithm to detect stereo centers and decide which bond to presented as a wedge or hash bond. The resulting wedge/has... 2021-12-02, 1273👍, 0💬

R/S (Right/Left) Hand Stereo Centers
Right/Left Hand Stereo Centers? In chemstry study, a stereo center a labeled as R (Rectus, Right in Latin) Hand or S (Sinister, Left in Latin) according to the following rules. 1. Assign precedence ranks to its 4 neighboring branches, as #1, #2, #3, and #4. Neighboring branch with #1 has the highest... 2021-12-02, 1309👍, 0💬

"babel -i sdf -o svg" - Custom Atom Positions
How to create a molecule structure with custom atom positions? You can create a molecule structure with custom atom positions using "obabel -i sdf -o svg" command as shown below. 1. Create a SDF file for your molecule structure. Take the L-Alanin-2D.sdf file used in other tutorials as an example. 2.... 2021-12-01, 1240👍, 0💬

JSME Molecule Editor at FYIcenter.com
What is JSME Molecule Editor at FYIcenter.com? FYIcenter.com maintains a version of JSME Molecule Editor. You can use it to create a new molecule, or edit an existing molecule. JSME, Molecule Editor in JavaScript is a free molecule editor created by Peter Ertl and Bruno Bienfait. It can be used as a... 2021-08-13, 618👍, 0💬

"babel" vs. "obabel" Commands
What are the differences between "babel" and "obabel" commands? "babel" and "obabel" commands are two commands of the same Open Babel chemical data conversion program with slightly different command line syntaxes. You can see the syntax differences between "babel" and "obabel" commands by running th... 2021-07-19, 1250👍, 0💬

"obabel ... -o svg" Command - Generate SVG from SMILES
How to generate a molecule SVG picture from a SMILES string? The easiest way to generate a molecule SVG picture from a SMILES string is to use the the "babel ... -o svg" command. For example, the following command generate a SVG picture of the tyrosine molecule from a SMILES string: fyicenter$ obabe... 2021-07-19, 591👍, 0💬

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Atom Biology General Molecule Tools Trial Virus