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Related Concept Videos

Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Protein Families02:47

Protein Families

Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein families usually occur because of gene duplication, where an additional copy of a gene is inserted into the genome of an organism.   Mutations that change the amino acids but still allow the protein to be properly synthesized, will lead to new protein family members.   If these new proteins contain similar amino acids in key locations, protein...

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Related Experiment Video

Updated: May 28, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
07:28

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

ANAT: a tool for constructing and analyzing functional protein networks.

Nir Yosef1, Einat Zalckvar, Assaf D Rubinstein

  • 1Broad Institute of MIT and Harvard, 7 Cambridge Center, Cambridge, MA 02142, USA.

Science Signaling
|October 27, 2011
PubMed
Summary
This summary is machine-generated.

ANAT is a new software tool that helps scientists understand complex gene and protein networks. It accurately reconstructs cellular subnetworks, aiding in the study of biological pathways and functions.

More Related Videos

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells
08:38

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells

Published on: March 3, 2015

Related Experiment Videos

Last Updated: May 28, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
07:28

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells
08:38

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells

Published on: March 3, 2015

Area of Science:

  • Bioinformatics
  • Systems Biology
  • Computational Biology

Background:

  • Genome-scale screening generates vast data on gene functions.
  • Understanding molecular pathways underlying cellular processes is a key challenge.
  • Existing tools have limitations in reconstructing complex biological networks.

Purpose of the Study:

  • To introduce ANAT, an interactive Cytoscape plug-in for elucidating protein functional networks.
  • To enable the inference of subnetworks connecting numerous proteins or to specific anchor proteins.
  • To provide tools for evaluating, exploring, and refining subnetwork models.

Main Methods:

  • ANAT integrates multiple network inference algorithms.
  • It accesses physical association networks across various organisms.
  • The tool facilitates subnetwork inference and interactive model exploration.

Main Results:

  • ANAT accurately infers subnetworks connecting hundreds of proteins.
  • It was successfully used to study crosstalk between human autophagic and apoptotic pathways.
  • ANAT demonstrates superior accuracy and features compared to existing software.

Conclusions:

  • ANAT is a powerful and accurate tool for comprehensive network analysis.
  • It facilitates the reconstruction of cellular subnetworks for pathway elucidation.
  • The software aids in understanding complex biological interactions and functions.