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Updated: May 17, 2026
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Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules
Published on: July 25, 2013
Ensemblify: A User-friendly Platform for Generating and Analyzing Conformational Ensembles of Intrinsically
Nuno P Fernandes1, Tiago Gomes1, Tiago N Cordeiro1
1Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras Portugal.
Journal of Molecular Biology
|May 15, 2026
Summary
Ensemblify is a new Python package that models intrinsically disordered proteins (IDPs) and regions (IDRs). It offers a user-friendly, flexible, and accurate method for generating and analyzing protein conformational ensembles, even for complex multi-domain structures.
Area of Science:
- Biochemistry and Structural Biology
- Computational Biology
- Bioinformatics
Background:
- Intrinsically disordered proteins (IDPs) and regions (IDRs) lack stable structures, existing as dynamic conformational ensembles.
- Current computational methods for modeling these ensembles are often resource-intensive, rigid, or difficult for non-experts.
- Characterizing IDPs/IDRs is crucial for understanding their biological functions, which are often linked to their dynamic nature.
Purpose of the Study:
- To introduce Ensemblify, an open-source Python package designed for generating and analyzing conformational ensembles of IDPs/IDRs.
- To provide a user-friendly, flexible, and accessible tool for computational structural biologists.
- To enable the modeling of complex IDP systems, including multi-domain and multi-chain proteins.
Main Methods:
- Utilizes a Monte Carlo algorithm with neighbor-aware sampling of dihedral angles from fragment libraries.
- Optionally integrates AlphaFold confidence metrics as flexible energy restraints within PyRosetta for guided sampling.
- Supports sampling of N-terminal, C-terminal, and inter-domain linkers while maintaining folded regions.
Main Results:
- Ensemblify accurately generates and analyzes conformational ensembles for diverse IDPs/IDRs.
- The package demonstrates flexibility in handling multi-domain and multi-chain proteins.
- Ensemble quality can be refined against experimental data (e.g., SAXS) using Bayesian/Maximum Entropy reweighting.
- Interactive dashboards facilitate in-depth structural analysis and comparison.
Conclusions:
- Ensemblify is an accurate, flexible, and accessible tool for modeling IDP/IDR conformational ensembles.
- The integration of AlphaFold confidence metrics shows promise for improving ensemble-data agreement.
- Ensemblify empowers researchers to study the structural dynamics of intrinsically disordered proteins more effectively.
Related Concept Videos
02:18Intrinsically Disordered Proteins
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
02:18Intrinsically Disordered Proteins
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
02:26Conservation of Protein Domains Over Different Proteins
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
02:26Conservation of Protein Domains
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
01:24Protein Organization
Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
The primary structure of a protein is its amino acid sequence.
01:22Protein Folding
Overview