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/).
Desiremovie.trade is a website primarily known for hosting and providing links to download Hindi movies, dubbed content, and web series. Like many similar third-party sites, its "work" or functionality often involves navigating multiple redirects and ads to reach a final download link. Navigating the Site
If you are trying to use the site, here is how the typical process works: Search and Selection
: Users typically browse by categories like "Bollywood," "Dual Audio," or "South Hindi Dubbed." The Redirect Loop
: Clicking a movie title often opens several popup ads or "mirror" pages. You usually have to close these and click the original button again. Link Verification
: Sites like this often use "G-Drive" or "Instant Download" buttons. They typically require you to wait for a timer (e.g., 10–15 seconds) before the actual download link is generated. Essential Precautions
Because sites like Desiremovie operate in a legal gray area and often host intrusive scripts, keep the following in mind: Security Risks
: These sites are high-risk for malware and phishing. Using a robust Ad-Blocker is highly recommended to protect your data and device. Legal Standing
: Downloading copyrighted material from unauthorized sources is illegal in many regions. Official Alternatives : For a safer and higher-quality experience, platforms like Amazon Prime Video Disney+ Hotstar
offer massive libraries of Hindi cinema with official licensing. or having trouble with a particular error message on the site?
Platforms like Desiremovie (and similar aggregators) do not produce content; they curate it. However, in the "trade" of Hindi work, they serve a specific function: The Demand Aggregator.
One monsoon evening, a mysterious man named Rajesh Khanna (no relation to the legend) arrived at her cramped editing booth. He was a trade agent—a fixer between underground financiers and desperate filmmakers. He dealt in desire. Not love, but the raw, transactional hunger for fame, money, or escape.
“I hear you want to make a film,” he said, lighting a cigarette. “I can get you funds. But you have to work for me first.”
The work: dubbing Hindi voices over foreign erotic films (the “desire movie” trade). These cheap, dubbed films—originally from Europe or Southeast Asia—were repackaged with hyperbolic Hindi dialogues and sold to late-night cable channels. They called them “adult art,” but it was just skin trade on celluloid.
Meera despised it. But the money was fast. And her real film needed real cash.
Meera played the game. She wrote a glossy, forgettable love story for the producer, collected her fee, and funneled it into a guerrilla shoot for her real film. She cast the same dubbing artists—the forgotten voices—as her actors. They shot in real brothels, real alleys, real rain.
The trade was this: she traded a lie for a truth. She traded industry desire for human reality.
The final scene of her secret film shows a woman washing clothes in a gutter, humming a tune from a dubbed desire movie. The camera lingers on her face—no dialogue, just the raw Hindi work of existing.
Each night, she sat in a soundproof room, watching scenes of longing and betrayal, rewriting the scripts on the fly. Instead of moans, she wrote metaphors. Instead of explicit actions, she layered in subtext about loneliness, poverty, and exploitation. Her Hindi was sharp, laced with Lucknowi tehzeeb and Delhi’s street slang.
The actors she directed—struggling theatre artists, retired radio jockeys, even a disgraced soap opera villain—began to notice: these B-movies were becoming oddly poetic. One scene, originally a hotel-room seduction, she turned into a dialogue about a woman bargaining with a corrupt landlord. The “desire” remained, but now it was for dignity.
This brings us to the "work" aspect. The Hindi dubbing trade is a multi-crore industry.
Post-COVID, the trade expects remote capability. You need a quiet space, a condenser microphone (Blue Yeti or Rode NT1), and audio interface.
With the rise of Disney+ Hotstar, Netflix India, and Amazon Prime, the demand for Hindi-dubbed South Indian and Hollywood content has skyrocketed. Films like KGF: Chapter 2 and RRR broke records not despite being dubbed, but because of their Hindi versions.
Desiremovie.trade is a website primarily known for hosting and providing links to download Hindi movies, dubbed content, and web series. Like many similar third-party sites, its "work" or functionality often involves navigating multiple redirects and ads to reach a final download link. Navigating the Site
If you are trying to use the site, here is how the typical process works: Search and Selection
: Users typically browse by categories like "Bollywood," "Dual Audio," or "South Hindi Dubbed." The Redirect Loop
: Clicking a movie title often opens several popup ads or "mirror" pages. You usually have to close these and click the original button again. Link Verification
: Sites like this often use "G-Drive" or "Instant Download" buttons. They typically require you to wait for a timer (e.g., 10–15 seconds) before the actual download link is generated. Essential Precautions
Because sites like Desiremovie operate in a legal gray area and often host intrusive scripts, keep the following in mind: Security Risks desiremovie trade hindi work
: These sites are high-risk for malware and phishing. Using a robust Ad-Blocker is highly recommended to protect your data and device. Legal Standing
: Downloading copyrighted material from unauthorized sources is illegal in many regions. Official Alternatives : For a safer and higher-quality experience, platforms like Amazon Prime Video Disney+ Hotstar
offer massive libraries of Hindi cinema with official licensing. or having trouble with a particular error message on the site?
Platforms like Desiremovie (and similar aggregators) do not produce content; they curate it. However, in the "trade" of Hindi work, they serve a specific function: The Demand Aggregator.
One monsoon evening, a mysterious man named Rajesh Khanna (no relation to the legend) arrived at her cramped editing booth. He was a trade agent—a fixer between underground financiers and desperate filmmakers. He dealt in desire. Not love, but the raw, transactional hunger for fame, money, or escape. Desiremovie
“I hear you want to make a film,” he said, lighting a cigarette. “I can get you funds. But you have to work for me first.”
The work: dubbing Hindi voices over foreign erotic films (the “desire movie” trade). These cheap, dubbed films—originally from Europe or Southeast Asia—were repackaged with hyperbolic Hindi dialogues and sold to late-night cable channels. They called them “adult art,” but it was just skin trade on celluloid.
Meera despised it. But the money was fast. And her real film needed real cash.
Meera played the game. She wrote a glossy, forgettable love story for the producer, collected her fee, and funneled it into a guerrilla shoot for her real film. She cast the same dubbing artists—the forgotten voices—as her actors. They shot in real brothels, real alleys, real rain.
The trade was this: she traded a lie for a truth. She traded industry desire for human reality. Part 3: The Role of "Desiremovie" in the
The final scene of her secret film shows a woman washing clothes in a gutter, humming a tune from a dubbed desire movie. The camera lingers on her face—no dialogue, just the raw Hindi work of existing.
Each night, she sat in a soundproof room, watching scenes of longing and betrayal, rewriting the scripts on the fly. Instead of moans, she wrote metaphors. Instead of explicit actions, she layered in subtext about loneliness, poverty, and exploitation. Her Hindi was sharp, laced with Lucknowi tehzeeb and Delhi’s street slang.
The actors she directed—struggling theatre artists, retired radio jockeys, even a disgraced soap opera villain—began to notice: these B-movies were becoming oddly poetic. One scene, originally a hotel-room seduction, she turned into a dialogue about a woman bargaining with a corrupt landlord. The “desire” remained, but now it was for dignity.
This brings us to the "work" aspect. The Hindi dubbing trade is a multi-crore industry.
Post-COVID, the trade expects remote capability. You need a quiet space, a condenser microphone (Blue Yeti or Rode NT1), and audio interface.
With the rise of Disney+ Hotstar, Netflix India, and Amazon Prime, the demand for Hindi-dubbed South Indian and Hollywood content has skyrocketed. Films like KGF: Chapter 2 and RRR broke records not despite being dubbed, but because of their Hindi versions.