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Substructure Search with Wildcard Atom "*"
How to use Wildcard Atom in a substructure search using "babel" commands? You can use "*" in a SMARTS string as a wildcard atom to represent "ANY" atom in a substructure search using "babel" commands. Here are some examples of substructure matching with a wildcard atom "*" in the molecule pattern: f...
2020-06-08, 1061🔥, 0💬

Substructure Search with Open Babel
Where to find FAQ (Frequently Asked Questions) on Substructure Search with Open Babel? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Substructure Search with Open Babel. "babel -s ..." Command - Substructure Search Substructure Search with Wi...
2020-06-08, 1056🔥, 0💬

Load Molecule Strcuture from File
How to load a molecule structure from a file into PyMol? In order to visualize a molecule in PyMol, you need to load the molecule structure from a file first. 1. Start PyMol and click the "File &gt; Open" menu. You see the file open dialog box. 2. Find and select the "Molecule-HY-001.sdf" file, ...
2020-04-16, 1041🔥, 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, 1039🔥, 0💬

Open Babel Command Files on macOS
What are Open Babel commands and files installed by the macOS binary package? If you install Open Babel 2.3.1 with the pre-compiled binary package on a macOS computer, you will get a number of Open Babel commands. All Open Babel command files are located in the /usr/local/bin directory: fyicenter$ l...
2020-05-24, 1025🔥, 0💬

"babel" - FP2 Exhaustive Fingerprint Fragments
How to exhaust all possible Open Babel FP2 Fingerprint Fragments in a molecule? The easiest way to exhaust all possible Open Babel FP2 Fingerprint Fragments in a molecule to following this algorithm: Loop through all atoms (except H) in the molecule. Set each atom as the root of a bond-atom tree. An...
2020-12-02, 1020🔥, 0💬

"obabel ... -o svg -xP300" - Scale SVG Image
How to scale and center a molecule SVG image in a given square area? The default behavior of Open Babel 2.4 is different than 2.3 regarding scaling and centering SVG images. With Open Babel 2.4, the molecule SVG image is defaulted in the center of 200x200 square. With Open Babel 2.3, the molecule SV...
2020-07-22, 1016🔥, 0💬

What Is PyMol
What Is PyMol? PyMol is a powerful molecule visualization software with the following main features: Able to produce high-quality graphics ready for publications. Able to create movies. Able to measure bond distances and angles. Has an extensive help system. Structures can be sliced, diced, and reas...
2020-04-16, 1015🔥, 0💬

Running Open Babel on Windows
Where to find FAQ (Frequently Asked Questions) on running Open Babel on Windows? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on running Open Babel on Windows. Install Open Babel Binary Package on Windows Run Open Babel GUI on Windows Structure...
2021-02-17, 1013🔥, 0💬

Install PyMol Incentive Edition on MacOS
How to download and install PyMol Incentive edition on macOS? Downloading and installing PyMol Incentive edition on macOS is straightforward and easy as shwon in the following steps: 1. Go to PyMol Website at pymol.org . 2. Download and save the macOS DMG Disk Image file: PyMOL-2.3.3_107-MacOS-py37....
2020-04-16, 1011🔥, 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, 1006🔥, 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, 998🔥, 0💬

JSME Molecule Editor User Interface
Where to find FAQ (Frequently Asked Questions) on JSME Molecule Editor User Interface? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on JSME Molecule Editor User Interface. JSME User Interface Menu Icons Show InChI and InChIKey on JSME Build Mol...
2020-08-03, 986🔥, 1💬

PyMol Installation
Where to find tutorials in understanding what is PyMol and how to install it? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is PyMol and how to install it. What Is PyMol Install PyMol Incentive Edition on MacOS Install PyMo...
2020-04-16, 985🔥, 0💬

"babel -i fs ... -s query_file" - Exact Match Search
How to perform exact match in fastsearch index file using a "babel" command? If you want to perform an exact match search using the fastsearch index file, you can use the following "babel" command syntax: babel -i fs index_file output_section -s query_file In the above command: "-i fs index_file" - ...
2020-05-25, 967🔥, 0💬

Install Open Babel CLI RPM Package for CentOS
How to download and install Open Babel CLI (Command Line Interface) RPM package for CentOS computers? Open Babel CLI RPM package offers a number of pre-build command line tools for you convert and manipulate molecule data from one format to another format using Open Babel library. You can follow thi...
2020-10-10, 960🔥, 0💬

Introduction to Open Babel
Where to find FAQ (Frequently Asked Questions) on basic understanding of Open Babel, Chemistry Toolbox? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on basic understanding of Open Babel, Chemistry Toolbox. What Is Open Babel, Chemistry Toolbox ...
2020-05-21, 958🔥, 0💬

"DNF/YUM search" - Open Babel Binary Packages
Is there any Open Babel binary packages ready to be installed with DNF/YUM on CentOS systems? The answer is yes and no, depending on which release of CentOS you are running. If you are running CentOS 8.0, Open Babel binary packages are available: fyicenter$ more /etc/system-release CentOS Linux rele...
2020-10-20, 948🔥, 0💬

Ketcher - Chemical Structure Editor
Where to find FAQ (Frequently Asked Questions) on Ketcher, Chemical Structure Editor in JavaScript? I want to learn more about Ketcher. Here is a large collection of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Ketcher, Chemical Structure Editor in JavaScript...
2023-11-02, 944🔥, 0💬

Substructure Search with SMARTS Expressions
How to use SMARTS expressions in a substructure search using "babel" commands? You can use SMARTS expressions in the "-s ..." option in "babel" commands to filter molecules that match given SMARTS expressions. Here are some examples: # C, C and O connected with single bonds fyicenter$ obabel "-:c1cc...
2021-01-09, 938🔥, 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, 913🔥, 0💬

JSME User Interface Menu Icons
What are JSME user interface menu icons? JSME user interface menu icons are organized into 3 groups: 1. Action Icons - Located on in the first icon bar on top of the editor. Actions icons allows you to perform the following actions: SMILES - Displays the SMILES string of everything in the editor. De...
2020-05-18, 906🔥, 0💬

JS Loading Error - JSME Instance Named as "jsme"
Why I am getting the JavaScript file loading error, if I name the JSME Instance Named as "jsme"? "jsme" is used in JSME JavaScript code for another object. If you use it to name your new JSME object, it will override the other object and cause JavaScript loading errors. 1. Follow the previous tutori...
2020-05-18, 900🔥, 0💬

"babel -ofpt -xs" - Display Fingerprint Fragments
How to Display Fingerprint Fragments using "babel" command? I want to know how many fragments are used when taking the fingerprint of a given molecule. You can using ""-ofpt -xs" options of the "babel" command to Display Fingerprint Fragment information. Here are some examples of molecule fingerprin...
2020-12-02, 884🔥, 0💬

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