Aliarcobacter butzleri is an emerging foodborne and zoonotic pathogen, yet many of its encoded proteins remain functionally uncharacterized. This lack of annotation limits understanding of its molecular mechanisms and hampers the identification of novel therapeutic targets. In this study, we systematically performed functional annotation of essential hypothetical proteins from the BNI-3166 strain using an integrative-in-silico approach to uncover potential drug and vaccine candidates. 2,367 protein-coding sequences were retrieved from the RefSeq database and were identified 356 as hypothetical proteins. Using BLASTp, we screened these HPs against the Database of Essential Genes and the human proteome to identify essential non-homologous proteins, resulting in 20 ENH candidates. Functional annotation was performed using several domain-based databases, including Pfam, InterPro, SMART, and SUPERFAMILY. Subsequently, physicochemical properties were analyzed and predicted subcellular localization using PSORTb and CELLO. To assess druggability, the ChEMBL database was used. Virulence factors using VFDB, VICMpred, and VirulentPred 2.0 were also predicted. Gene Ontology annotations were generated via ARGOT2.5. Furthermore, we explored protein-protein interactions using STRING and predicted tertiary structures with AlphaFold3. Moreover, Ligand binding pockets were predicted using PrankWeb, and antigenicity of vaccine candidates was assessed using VaxiJen v2.0. We identified 20 essential non-homologous hypothetical proteins, of which 10 were confidently annotated based on conserved domain analysis. These proteins were classified as enzymes, binding proteins, transporters, regulatory proteins, and potential virulence factors. Among them, eight exhibited characteristics of promising drug targets, while two showed potential as vaccine candidates based on subcellular localization. Druggability analysis revealed that nine proteins had no similarity to known drug targets, suggesting novel therapeutic potential. Predicted 3D structures generated using AlphaFold3 yielded pTM scores ranging from 0.44 to 0.92, indicating acceptable to high modeling confidence. Ligand binding site analysis confirmed druggability in six candidates, and antigenicity screening identified one protein as a potential vaccine target. This study provides a computational framework for identifying functionally important proteins in A. butzleri BNI-3166 and highlights novel therapeutic candidates for experimental validation, offering new directions in drug and vaccine development against this underexplored pathogen.
Key words: Aliarcobacter butzleri, Drug Target Identification, Functional Annotation, Hypothetical Proteins, In Silico Analysis
Received: 08.07.2025; Accepted: 01.09.2025; Early view: 24.09.2025 Published: 10.01.2026
DOI: 10.62063/ecb-66
Citation: Paul, S., Barua, S., & Barua, J.D. (2026). In-silico functional annotation and structural characterization of hypothetical proteins from Aliarcobacter butzleri BNI-3166: Insights into novel virulence and drug targets. The European chemistry and biotechnology journal, 5, 22-39. https://doi.org/10.62063/ecb-66
The copyrights of the studies published in The European Chemistry and Biotechnology Journal (EUCHEMBIOJ) belong to their authors
This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)(https://creativecommons.org/licenses/by-nc/4.0/).
While true "online" (browser-based) MSI to EXE converters are rare due to the security risks of uploading installers to a remote server, several lightweight tools and manual methods can achieve this conversion quickly. These tools primarily serve as "wrappers" that take a Microsoft Installer (.msi) and package it into an executable (.exe) for easier distribution or custom branding. Popular Tools for MSI to EXE Conversion
Most reputable solutions are downloadable utilities rather than web-based scripts to ensure the integrity and security of your files.
MSI to EXE Compiler (Abyssmedia): A professional solution that converts MSI files to EXE with minimal overhead and maximum compatibility. It allows you to assign a custom icon to the final installer and supports command-line compilation.
DRPU MSI to EXE Creator: This utility is designed to create setup packages from existing MSI files. It is particularly noted for its ability to maintain the original structure and functionality of the software, including support for .NET framework packages.
Ultimate MSI to EXE Converter: Often used for its simplicity, it allows users to select an MSI file and generate an equivalent EXE installer in a single click.
imElfin MSI2EXE Converter: A free, lightweight tool (less than 500k) that generates EXE files in seconds without requiring heavy system resources. Key Benefits of Converting to EXE
Converting an MSI (Windows Installer) file to an EXE (Executable) is usually done to add a custom bootstrapper, create a self-extracting archive, or improve compatibility with older systems. While "online" converters for executable files are rare due to security risks, several dedicated software tools can handle this conversion locally. Key Tools for MSI to EXE Conversion
The following tools allow you to wrap or compile an MSI into an EXE format:
DRPU MSI to EXE Creator: Specifically designed to convert MSI packages created with .NET framework into equivalent EXE installers. It features a high-tech wizard for non-technical users and allows saving the output to any local directory.
MSI to EXE Compiler: A professional solution that allows you to assign a custom icon to the generated EXE and can be operated via a GUI or command line.
Ultimate MSI to XA Converter: Often used for modern formats like MSIX, this tool provides a straightforward interface to select an MSI and generate a standard installer EXE.
Daniu MSI to EXE Creator: Offers a simple process: launch the app, select your source MSI, choose an output path, and convert. Step-by-Step Conversion Guide Most MSI to EXE converters follow a similar workflow:
Download and Install: Choose a tool like the MSI to EXE Setup Converter or MSI to EXE Compiler.
Select Source: Launch the application and use the "Browse" or "Select" button to locate your .msi file.
Customize (Optional): Assign a custom application icon or set specific silent installation parameters if the tool supports it.
Define Output: Choose the destination folder on your hard drive where you want the new .exe to be saved.
Build/Convert: Click the "Convert" or "Build" button to generate the executable. The tool will wrap the original MSI content into the EXE without modifying its internal logic. Why Convert MSI to EXE?
Detailed Description of MSI into EXE Setup Converter 2.3.0.6
Converting an MSI to an EXE online is not recommended due to security risks associated with uploading installation files to unknown servers
. Instead, it is safer to use reputable local tools or manual extraction methods. Why You Might Want to Convert MSI to EXE
While users often convert EXE to MSI for enterprise deployment, converting MSI to EXE is typically done to: Add custom logic or scripts not natively supported by the MSI format. Bypass UAC restrictions in specific local policy environments. Bundle prerequisites (like .NET Framework) into a single bootstrapper file. Top Methods for Conversion (Local) Instead of an online converter, use these verified methods: DRPU MSI to EXE Creator (Dedicated Tool)
A straightforward utility designed specifically to wrap Microsoft Visual Studio .NET framework MSI packages into standard EXE formats.
Non-technical users needing a simple "one-click" style solution. Key Feature:
Allows you to define a custom application icon for the final EXE. Advanced Installer (Professional Tool)
A comprehensive packaging tool that can import an existing MSI and build it as an EXE with resources inside. Open your MSI in Advanced Installer
, navigate to the "Builds" section, and select the option to build as an EXE. Ultimate MSI to EXE Converter A free tool often found on software repositories like
that provides a simple three-step interface: select MSI, choose output path, and convert. Manual "Wrapper" with 7-Zip & SFX
For advanced users, you can create a self-extracting archive (SFX) that contains the MSI and a command to run it. Requirements: 7-Zip SFX Module Compress the MSI into a file and use the SFX module to turn it into an that automatically executes msiexec /i yourfile.msi upon extraction. Security Warning Avoid "Free Online MSI to EXE" websites.
Uploading an installer gives a third party the opportunity to inject malware or "re-package" your software with unwanted bundleware. Since installers often require Administrative privileges to run, the risk of a compromised EXE is extremely high. www.pdq.com manual wrapping MSI vs EXE: Ultimate guide to Windows installers - SuperOps
Using an MSI to EXE converter online is a practical solution for developers and IT professionals who need to transform standardized Windows Installer packages into standalone executable files. While MSI files are built for enterprise management, EXE files offer greater flexibility for custom branding and standalone portability. Why Convert MSI to EXE?
While both formats install software, their underlying architecture differs significantly. Converting an MSI to an EXE can solve specific deployment challenges:
Standalone Portability: EXE files can bundle all necessary libraries and DLLs, ensuring the installer runs even on systems missing specific frameworks. msi to exe converter online
Custom Branding: Unlike the rigid interface of an MSI, converted EXE files allow you to assign custom icons and create a more personalized setup experience.
Compatibility: Some legacy systems or specialized environments may struggle with MSI installers, whereas standard executables are universally recognized by Windows.
Reduced Dependencies: A converted EXE often functions as a self-contained program that doesn't rely as heavily on the Windows Installer service engine. Top MSI to EXE Converters
Several tools can help you perform this conversion, ranging from lightweight freeware to professional compilers:
DRPU MSI to EXE Creator: A specialized utility designed for both technical and non-technical users to build installation packages from Visual Studio .NET framework MSI files.
Ultimate MSI to EXE Converter: A freeware option that allows for quick transformation with just a few clicks.
imElfin MSI2EXE Converter: Known for being a lightweight (under 500k) and fast solution that generates EXE files in seconds.
MSI to EXE Compiler: A professional-grade tool that supports command-line compilation and provides maximum compatibility for Windows 2000 through Vista and beyond. How the Conversion Process Works
Most converters follow a straightforward three-step process:
Select Source: Browse your computer for the original .msi file you wish to convert.
Define Output: Choose the destination folder and name for your new .exe file.
Execute: Click the "Convert" or "Build" button. The software wraps the MSI instructions into an executable shell. MSI vs. EXE: A Quick Comparison MSI versus EXE: Key differences for software installs - PDQ
Not recommended for any serious or private software. The security risks and lack of real features outweigh convenience. Use a local tool instead. Online converters may be acceptable only if:
For enterprise or personal software distribution, always use a proper desktop bootstrapper.
Would you like a hands-on tutorial for any specific offline tool (e.g., Advanced Installer or 7-Zip SFX method)?
Report: MSI to EXE Converter Online
Introduction
MSI (Microsoft Installer) and EXE (Executable) are two popular file formats used for software installation on Windows operating systems. While MSI files are used by Windows Installer to install software, EXE files are self-extracting executables that can be used to install software without the need for Windows Installer. In some cases, users may need to convert MSI files to EXE files to install software on systems where Windows Installer is not available or to create a more user-friendly installation experience. This report reviews online MSI to EXE converter tools that enable users to convert MSI files to EXE files.
What are MSI to EXE Converter Online Tools?
MSI to EXE converter online tools are web-based applications that allow users to upload an MSI file and convert it to an EXE file. These tools eliminate the need for users to download and install software on their local machines to perform the conversion. They provide a convenient and quick way to convert MSI files to EXE files, making it easier to install software on various Windows systems.
Features of MSI to EXE Converter Online Tools
The following are some common features of MSI to EXE converter online tools:
Popular MSI to EXE Converter Online Tools
The following are some popular MSI to EXE converter online tools:
Comparison of MSI to EXE Converter Online Tools
The following table compares the features of popular MSI to EXE converter online tools:
| Tool | File Size Limit | Conversion Speed | Ease of Use | | --- | --- | --- | --- | | Convertio | 100 MB | Fast | Easy | | Online-Convert | 100 MB | Fast | Easy | | FileZigZag | 10 MB | Medium | Medium | | SoftTweak | No limit | Fast | Easy |
Conclusion
MSI to EXE converter online tools provide a convenient and quick way to convert MSI files to EXE files. These tools are easy to use, fast, and eliminate the need for software installation on local machines. While various online converters are available, Convertio, Online-Convert, FileZigZag, and SoftTweak are some popular options. When choosing an online converter, users should consider factors such as file size limits, conversion speed, and ease of use.
Recommendations
Based on the comparison of features and user reviews, we recommend the following: While true "online" (browser-based) MSI to EXE converters
Limitations and Future Work
While online MSI to EXE converters provide a convenient solution, they have some limitations:
Future work could focus on developing offline MSI to EXE converters that offer more flexibility and security for users. Additionally, improving the conversion speed and supporting larger file sizes could enhance the user experience.
There are no reliable converters that directly transform an through a web browser. Because MSI and EXE files are complex Windows installer formats, conversion usually requires specialized desktop software or "wrapper" tools to bundle the MSI into an executable. Desktop Software Solutions
If you need to perform this conversion, you should use established desktop utilities rather than online sites, which can be security risks for executable files. Advanced Installer
: A professional tool that includes a "Convert" feature specifically for creating an MSI from an EXE or wrapping installers. MSI to EXE Creator (DRPU) : A dedicated utility designed to convert Microsoft Visual Studio .NET framework MSI packages into equivalent EXE installer formats. WiX Toolset
: A free, open-source set of tools used by developers to build Windows installation packages. You can use the
engine within WiX to create an EXE "bootstrapper" that installs your MSI file. DRPU Software Important Distinction: Conversion vs. Wrapping Wrapping (Common)
: Most "converters" don't actually change the code. Instead, they create an EXE "shell" that contains the MSI file. When you run the EXE, it simply extracts and runs the original MSI. Extraction (Reverse)
: If you are trying to do the opposite (get an MSI out of an EXE), you can often right-click the EXE and use "Open archive" and extract the MSI file directly. www.pdq.com A note on safety:
Be extremely cautious with websites claiming to convert files to
online. Downloading executables from unverified web converters is a high-risk activity that can lead to malware infections. bootstrapper using a specific tool like WiX or Advanced Installer? AI responses may include mistakes. Learn more MSI to EXE Creator - DRPU Software
It focuses on the reality that true "online" converters for this specific file type are rare (due to security and complexity) and highlights the best software alternatives.
| Method | Safe? | Works? | Recommended | | :--- | :--- | :--- | :--- | | Online "MSI to EXE" website | ❌ No | ❌ Rarely | Never | | Windows IExpress (built-in) | ✅ Yes | ✅ Yes | Yes | | Advanced Installer (free) | ✅ Yes | ✅ Yes | Yes |
Bottom Line: Don’t risk your security for convenience. An online converter for MSI to EXE is mostly a trap. Use the free tools already on your Windows machine—they take 2 minutes and your files stay private.
Have you ever had a bad experience with an online file converter? Let us know in the comments below.
I notice you’ve put "msi to exe converter online" in quotes, which suggests you might be asking me to write a paper on that topic — possibly analyzing its feasibility, security risks, or whether such tools actually exist.
Could you clarify which of these you need?
To give you a useful answer right now:
No legitimate “online MSI to EXE converter” exists. MSI is a structured installation database; EXE is a generic executable. Converting one to the other requires rebuilding an installer with a bootstrapper (e.g., wrapping an MSI inside an EXE launcher). Online tools claiming to do this are almost always malware or scam pages. Any serious paper on the topic would conclude that such conversions must be done offline with trusted authoring tools.
If you confirm which type of “paper” you meant (academic, technical, or just a short security analysis), I’ll write it for you in full.
Converting an (Windows Installer) to an (Executable) is typically done to add a custom bootstrap, bundle multiple installers, or bypass specific system policies. Spiceworks Community Security Warning:
Avoid "online" web-based converters for this process. Since installers can contain sensitive code or system permissions, uploading them to a third-party website is a major security risk. Use local software tools instead. 🛠️ Recommended Tools
Most reliable conversion happens through "wrapper" or "repackaging" software. Advanced Installer
: A professional tool that can open an MSI and re-build it as an EXE with "resources inside". MSI Wrapper
: A dedicated tool designed specifically to wrap an MSI into an EXE bootstrap. imElfin MSI2EXE
: A lightweight freeware option for straightforward conversions. DRPU MSI to EXE Creator
: A specialized utility for creating EXE installers from existing MSI packages. 📖 Step-by-Step Guide (Using a Wrapper)
While every tool varies slightly, the standard workflow follows these steps: Select Source : Open your converter and browse for the file you want to convert. Configure Output : Choose the destination folder for the new Customize (Optional) : Upload a file to change the installer’s appearance. Silent Parameters : Add commands like if you want the EXE to install without user prompts.
: Click the "Convert" or "Build" button. The process usually takes only a few seconds. Stack Overflow 💡 The "DIY" Method (Using 7-Zip & Batch)
If you don't want to install specialized software, you can create a "Self-Extracting" EXE manually: Create a Batch File : Create a file named install.bat msiexec /i "your-file.msi" /qn (replace with your filename). : Select both the file, right-click, and use to "Add to archive." : Check the "Create SFX archive" box in the 7-Zip options. This generates an that runs your batch script when opened. ❓ Why convert to EXE? MSI to EXE Creator - DRPU Software You are converting a public, open-source MSI (e
While there are no reliable "online-only" (browser-based) converters to transform an file into a standalone
without downloading software, you can achieve this through various free and professional desktop utilities.
Converting MSI to EXE is typically used to add features like a custom launcher, splash screen, or to bundle multiple installers into one executable. Stack Overflow Popular Software Tools for Conversion
Several dedicated tools allow you to wrap or compile MSI files into EXE format: MSI to EXE Compiler (Abyssmedia)
: A professional solution that converts MSI files with minimal overhead. It supports custom icons and can be run via GUI or command line. DRPU MSI to EXE Creator
: This utility creates installation packages from MSI files, maintaining the original functionality while allowing for user-specified save locations. imElfin Free MSI2EXE
: A simple, three-step freeware tool where you select the source MSI, define the output path, and click "Convert". Ultimate MSI to EXE Converter
: An advanced setup utility for creating executables from Windows Installer files. DRPU Software DIY "Self-Extracting" Method (No Special Software)
You can create a basic EXE wrapper for an MSI file using tools already present on most systems, like Create a batch file (e.g., install.bat ) containing the command: msiexec /i yourfile.msi /qn Select both the file, then use to "Add to archive." "Create SFX archive" (Self-Extracting Archive) box in the options. This generates an
that, when opened, extracts and runs your MSI installation command. Key Differences: MSI vs. EXE What is the best tool kit to transform .msi into .exe?
MSI to EXE Converter Online: A Comprehensive Guide
Are you looking for a reliable online tool to convert MSI files to EXE files? Look no further! In this article, we'll explore the best online MSI to EXE converters, discuss their features, and provide a step-by-step guide on how to use them.
What is MSI and EXE?
Before we dive into the conversion process, let's quickly understand what MSI and EXE files are:
Why Convert MSI to EXE?
There are several reasons why you might want to convert an MSI file to an EXE file:
Online MSI to EXE Converters
Here are some popular online tools that can help you convert MSI files to EXE files:
How to Convert MSI to EXE Online
Here's a step-by-step guide on how to use an online MSI to EXE converter:
Using Convertio:
Using CloudConvert:
Using Online-Convert:
Using FileZigZag:
Conclusion
Converting MSI files to EXE files online is a straightforward process that can be completed using various online tools. The tools mentioned in this article are reliable, easy to use, and offer a range of features to make the conversion process smooth. Whether you're a developer, IT professional, or simply someone who needs to convert MSI files to EXE files, these online tools can help you achieve your goals.
Tips and Precautions
By following this guide, you should be able to convert MSI files to EXE files online with ease. Happy converting!
Let’s address the elephant in the room. If you search for "msi to exe converter online," you will find dozens of websites claiming to offer this service. However, most of these fall into three categories:
The Verdict: There is no safe, reliable, 100% free online tool that converts an MSI to an EXE instantly. If you find one, run away. It is likely a virus.
Security experts at Kaspersky and Norton have analyzed "free online file converters." Here is what happens behind the scenes when you use a fake MSI to EXE converter:
Never upload proprietary, licensed, or work-related software to a random "online converter" website.
Not applicable.
Supplementary material associated with this article can be found on 10.62063/ecb-66. To access the supplementary material, please visit the article landing page.
We did not receive any specific funding from public, commercial, or not-for-profit organizations for this research.
The authors confirm that there are no conflicts of interest related to the research, authorship, or publication of this article.
All datasets generated and analysed during this study are available within the article and its Supplementary Material.
Ethics committee approval is not required for this study.
Conceptualization and Study Design: P.S., B.J.D.; Experimental Work and Data Analysis: P.S., B.S.; Critical Review and Manuscript Finalization: P.S., B.S., B.J.D.
Use of Artificial Intelligence: No artificial intelligence-based tools or applications were used in the preparation of this study. The entire content of the study was produced by the author(s) in accordancewith scientific research methods and academic ethical principles.
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