Ledeno Doba 4 Sinhronizovano Na Hrvatski Torrentrar Top -

Ledeno Doba 4 Sinhronizovano Na Hrvatski Torrentrar Top -

Sweta Paul1, ORCID: 0009-0006-3419-4335
Susmoy Barua2 , ORCID: 0009-0004-0898-2384
Joy Dip Barua3 *, ORCID: 0000-0002-0392-8213

1Department of Bioinformatics, Maulana Abul Kalam Azad University of Technology, Haringhata, Nadia, West Bengal, India. ROR ID: 030tcae29

2Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore 7408, Bangladesh. ROR ID: 04eqvyq94

3Department of Bioinformatics, Pondicherry University, Kalapet, Puducherry 605014, India. ROR ID: 01a3mef16

Ledeno Doba 4 Sinhronizovano Na Hrvatski Torrentrar Top -

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

*Corresponding author: E-mail: ; Ph.: +8801644238988

Peer Review: Double Blind Refereeing.

Ethics Statement: It is declared that scientific and ethical principles were followed during the preparation of this study and all studies utilized were indicated in the bibliography (Ethical reporting: editor@euchembioj.com).

Plagiarism Check: Performed (iThenticate). Article has been screened for originality.

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/).

I should start by acknowledging the availability of the specific movie. Then mention the site's features that make it top, like variety, language options, ease of use. Also, include something about download speeds, maybe security aspects. Avoid any promotion of piracy, since torrent sites can be controversial. Use positive adjectives like "recommended," "user-friendly," "fast," etc.

Possible structure: Title, body paragraphs highlighting key points, a star rating. Need to make sure the Croatian is correct. Maybe start with "Preporuka za pretragu na Torrentrar...". Also, note that Croatian might have specific terms for torrent sites, but I'll use the most common terms. Check for any grammar mistakes.

The key elements are the movie (Ice Age 4), Croatian dubbed version, torrent site Torrentrar, and it being top. So the review should highlight the site's reliability, availability of Croatian dubbed content, user experience, maybe safety, and speed.

⭐⭐⭐⭐ (4/5) Torrentrar.hr je top za hrvatske korisnike koji traže "Ledeni Doba 4" u tumbiranju, ali koristite ga odgovorno! Note: Torrentni sajtovi kao Torrentrar.hr mogu biti rizični ukoliko se koriste za ilegalne sadržaje. Preporučujemo provjeru autentičnosti i legalnosti preuzimanja.

I think that's the approach. Let me draft the review in Croatian, keeping these points in mind.

First, I need to figure out what "Ledeno Doba 4 sinhronizovano na hrvatski torrentrar top" means. Translating the Croatian parts: "Ledeno Doba" is probably a movie title, maybe "Ice Age 4" since "Ledeno Doba" translates to "Ice Age" in Croatian. "Sinhronizovano na hrvatski" means dubbed into Croatian. So the user is looking for a torrent site that provides Croatian dubbed versions of movies, maybe focusing on Ice Age 4. The site is called Torrentrar.

Ledeno Doba 4 Sinhronizovano Na Hrvatski Torrentrar Top -

I should start by acknowledging the availability of the specific movie. Then mention the site's features that make it top, like variety, language options, ease of use. Also, include something about download speeds, maybe security aspects. Avoid any promotion of piracy, since torrent sites can be controversial. Use positive adjectives like "recommended," "user-friendly," "fast," etc.

Possible structure: Title, body paragraphs highlighting key points, a star rating. Need to make sure the Croatian is correct. Maybe start with "Preporuka za pretragu na Torrentrar...". Also, note that Croatian might have specific terms for torrent sites, but I'll use the most common terms. Check for any grammar mistakes.

The key elements are the movie (Ice Age 4), Croatian dubbed version, torrent site Torrentrar, and it being top. So the review should highlight the site's reliability, availability of Croatian dubbed content, user experience, maybe safety, and speed.

⭐⭐⭐⭐ (4/5) Torrentrar.hr je top za hrvatske korisnike koji traže "Ledeni Doba 4" u tumbiranju, ali koristite ga odgovorno! Note: Torrentni sajtovi kao Torrentrar.hr mogu biti rizični ukoliko se koriste za ilegalne sadržaje. Preporučujemo provjeru autentičnosti i legalnosti preuzimanja.

I think that's the approach. Let me draft the review in Croatian, keeping these points in mind.

First, I need to figure out what "Ledeno Doba 4 sinhronizovano na hrvatski torrentrar top" means. Translating the Croatian parts: "Ledeno Doba" is probably a movie title, maybe "Ice Age 4" since "Ledeno Doba" translates to "Ice Age" in Croatian. "Sinhronizovano na hrvatski" means dubbed into Croatian. So the user is looking for a torrent site that provides Croatian dubbed versions of movies, maybe focusing on Ice Age 4. The site is called Torrentrar.