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- In biology and biochemistry, a tetramer refers to:
- A biomolecule formed of four identical subunits (homotetramer) or different subunits (heterotetramer)12.
- Tetrameric proteins have a quaternary structure of four subunits2.
- Tetramers used in assays are made up of four major histocompatibility complex (MHC) molecules3.
- Tetramers can be enzymes or polymers consisting of four structural subunits4.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.In biochemistry, it similarly refers to a biomolecule formed of four units, that are the same (homotetramer), i.e. as in Concanavalin A or different (heterotetramer), i.e. as in hemoglobin. Hemoglobin has 4 similar sub-units while immunoglobulins have 2 very different sub-units.en.wikipedia.org/wiki/TetramerA tetrameric protein is a protein with a quaternary structure of four subunits (tetrameric). Homotetramers have four identical subunits (such as glutathione S-transferase), and heterotetramers are complexes of different subunits.en.wikipedia.org/wiki/Tetrameric_proteinThe tetramers used in the assay are made up of four major histocompatibility complex (MHC) molecules, which are found on the surface of most cells in the body. MHC molecules present peptides to T-cells as a way to communicate the presence of viruses, bacteria, cancerous mutations, or other antigens in a cell.en.wikipedia.org/wiki/Tetramer_assay: a molecule (such as an enzyme or a polymer) that consists of four structural subunits (such as peptide chains or condensed monomers)www.merriam-webster.com/dictionary/tetramer - People also ask
Tetramer - Wikipedia
A tetramer (tetra-, "four" + -mer, "parts") is an oligomer formed from four monomers or subunits. The associated property is called tetramery. An example from inorganic chemistry is titanium methoxide with the empirical formula Ti(OCH3)4, which is tetrameric in solid state and has the molecular formula Ti4(OCH3)16. An example from organic chemistry is kobophenol A, a substance that is formed b…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 2 mins
Tetramer assay - Wikipedia
A tetramer assay (also known as a tetramer stain) is a procedure that uses tetrameric proteins to detect and quantify T cells that are specific for a given antigen within a blood sample. The tetramers used in the assay are made up of four major histocompatibility complex (MHC) molecules, which are found on the surface of most cells in the body. MHC molecules present peptides to T-cells as a way to communicate the presence of viruses, bacteria, cancerous mutations, or other antigens i…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 8 mins
Tetramer Definition, Parts & Analysis | Study.com
WEBNov 21, 2023 · What is a tetramer in biology? A tetramer is an enzyme or polymer (large molecule) that has four subunits. These subunits are composed of peptide chains or condensed monomers. What...
Tetrameric protein - Wikipedia
WEBA tetrameric protein is a protein with a quaternary structure of four subunits (tetrameric). Homotetramers have four identical subunits (such as glutathione S-transferase ), and …
Tetramer Definition & Meaning - Merriam-Webster
WEBAug 17, 2022 · The meaning of TETRAMER is a molecule (such as an enzyme or a polymer) that consists of four structural subunits (such as peptide chains or condensed …
Tetramer - an overview | ScienceDirect Topics
WEBTetramer Analysis. Peter P. Lee, in Measuring Immunity, 2005 Intracellular staining. Tetramers can be combined successfully with intracellular staining to analyze …
Why Tetramers? | NIH Tetramer Core Facility - Emory University
WEBTetramer Science. T cells play essential effector and regulatory roles in adaptive immune responses to viruses, bacteria, parasites, tumors, transplanted tissues, allergens and …
Tetramer - an overview | ScienceDirect Topics
WEBTetramer. Hemoglobin (Hb) is a tetramer composed of two α-like and two β-like globin chains. From: Progress in Molecular Biology and Translational Science, 2021. Related …
Spectrins: Current Biology - Cell Press
WEBMay 24, 2021 · Spectrins consist of α and β subunits; α and β spectrin interact in an end-to-end manner to form a heterodimer. Two heterodimers associate in an antiparallel manner to form a tetramer. The …
Tetrameric Protein - an overview | ScienceDirect Topics
WEBThe dimer and tetramer forms are interconvertible, and the equilibrium is governed by various metabolites: the dimeric state is stabilized by the amino acids alanine, …
3.4: Quaternary Structure - Biology LibreTexts
WEBQuaternary structure describes a protein composed of two or more polypeptides. Like tertiary structure, multimeric polypeptide are formed by the same kinds of non-covalent …
Physiological and evolutionary implications of tetrameric ... - Nature
WEBDec 9, 2019 · Metrics. Abstract. Photosystem I (PSI) is present as trimeric complexes in most characterized cyanobacteria and as monomers in plants and algae. Recent reports …
Tetramer | biology | Britannica
WEBbiology. Learn about this topic in these articles: DNA sequencing in hemoglobin genes. In evolution: Molecular phylogeny of genes. Hemoglobin molecules are tetramers …
More tricks with tetramers: a practical guide to staining T cells …
WEBAug 4, 2015 · Abstract. Analysis of antigen-specific T-cell populations by flow cytometry with peptide–MHC (pMHC) multimers is now commonplace. These reagents allow the …
Structural insight into the molecular mechanism of p53 ... - Nature
WEBApr 16, 2021 · Since full-length p53 exists as a tetramer, a p53 tetramer will likely interact with two BCL-xL molecules. Our structure is different from the previous NMR model 17. …
Production of MHC Class I Tetramers - Immunology
WEBMHC tetramer production. Diagram showing how MHC tetramers are produced. The right panel shows a key for symbols used in all figures. Whilst single MHC:peptide complexes …
MHC Multimer: A Molecular Toolbox for Immunologists - PMC
WEBMay 5, 2021 · The application of MHC multimer technology has expanded to include various functions such as quantification and analysis of antigen-specific T cells, cell …
Tetrameric Protein - an overview | ScienceDirect Topics
WEBHemoglobin is a tetrameric protein that binds and transports four oxygen molecules per unit and then releases them to myoglobin. The binding of oxygen to hemoglobin is …
The structural basis for red fluorescence in the tetrameric ... - Nature
WEBDsRed monomers comprising one tetramer are highly similar to each other (average root mean square (r.m.s.) deviation of Cα atoms of 0.18 Å), and each monomer differs from …
Tetramer - an overview | ScienceDirect Topics
WEBTetramer Hemoglobin (Hb) is a tetramer composed of two α-like and two β-like globin chains. From: Progress in Molecular Biology and Translational Science , 2021
Oligomerization state of the functional bacterial twin-arginine ...
WEBSep 19, 2022 · A molecular counting approach using single molecule photobleaching reveals that the Tat receptor complex is a tetramer in its native membrane environment …
Protein dimer - Wikipedia
WEBIn biochemistry, a protein dimer is a macromolecular complex or multimer formed by two protein monomers, or single proteins, which are usually non-covalently bound. Many …
Tetramer - an overview | ScienceDirect Topics
WEBTetramer technology allows the identification of T-cells that respond to a particular antigen. Major histocompatibility complex (MHC) tetramers are formed by first refolding MHCs in …
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