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Related Concept Videos

Protein Families02:47

Protein Families

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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...
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Conservation of Protein Domains Over Different Proteins02:26

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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...
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Protein Networks02:26

Protein Networks

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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.
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Globular and Fibrous Proteins02:21

Globular and Fibrous Proteins

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Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
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Protein-protein Interfaces02:04

Protein-protein Interfaces

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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...
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Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
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Flexible protein database based on amino acid k-mers.

Maxime Déraspe1,2, Sébastien Boisvert3, François Laviolette4,5

  • 1Department of Molecular Medicine, Université Laval, Quebec, Canada. maxime.deraspe@crchudequebec.ulaval.ca.

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Summary

kAAmer is a novel protein database engine that speeds up protein identification in genomics. It uses amino-acid k-mers and flexible annotations for efficient, remote querying.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Genomics

Background:

  • Protein identification is a computationally demanding process in genomics.
  • Current aligners lack comprehensive protein information and require complex pipelines.

Purpose of the Study:

  • Introduce kAAmer, an efficient protein database engine.
  • Enable flexible annotation integration and remote querying.

Main Methods:

  • Developed a protein database engine utilizing amino-acid k-mers.
  • Designed kAAmer as a microservice for remote accessibility.

Main Results:

  • kAAmer provides efficient protein identification.
  • The engine supports flexible protein annotations.

Conclusions:

  • kAAmer offers a streamlined approach to protein identification.
  • Its microservice architecture facilitates integration and remote use in genomics studies.