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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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Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.
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Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
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Gene Families01:57

Gene Families

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Gene families consist of groups of genes proposed to have originated from a common ancestor. Typically these arise through events in which a gene or genes are mistakenly duplicated during cell division. Unlike their parent genes (which are subject to selection pressure to maintain function), these gene copies do not need to preserve their sequences and may evolve at a relatively faster rate.
Occasionally these regions can be adapted to take on new roles within the organism, becoming novel genes...
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Smooth Endoplasmic Reticulum01:21

Smooth Endoplasmic Reticulum

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Smooth endoplasmic reticulum or smooth ER is a sub-organelle with specialized functions in animal cells and plant cells. It is often associated with the tubule morphology of the endoplasmic reticulum.
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Structural Protein Function01:56

Structural Protein Function

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ARMC Subfamily: Structures, Functions, Evolutions, Interactions, and Diseases.

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Armadillo repeat-containing proteins (ARMCs) are crucial for cell processes and disease. This review details the ARMC subfamily

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • Armadillo repeat-containing proteins (ARMCs) are vital eukaryotic proteins involved in cell adhesion, signaling, and mitochondrial function.
  • ARMCs feature a conserved tandem repeat domain crucial for protein interactions.
  • A specific ARMC subfamily (ARMC1-10, 12, X1-6) shows conserved structures and diverse functions.

Purpose of the Study:

  • To provide a comprehensive review of the ARMC subfamily.
  • To explore their structures, biological functions, evolution, and protein interactions.
  • To highlight their involvement in over 30 diseases.

Main Methods:

  • Literature review and analysis of existing research on the ARMC subfamily.
  • Examination of conserved domains and unique terminal regions.
  • Compilation of data on protein interactions and associated diseases.

Main Results:

  • The ARMC subfamily exhibits conserved vertebrate and mammalian structures, particularly in primates.
  • These proteins are implicated in numerous biological processes and over 30 diseases.
  • Extensive interactions with over 100 proteins and signaling molecules were identified.

Conclusions:

  • The ARMC subfamily's conserved domains suggest shared functions, while unique terminals indicate specialized roles.
  • Understanding the ARMC subfamily is critical for advancing research and treatment of associated diseases.
  • Further investigation into ARMC subfamily structures and functions is warranted.