Lysine Monomers
Lysine Monomers - Related Videos
12:02
An Efficient Method for the Synthesis of Peptoids with Mixed Lysine-type/Arginine-type Monomers and Evaluation of Their Anti-leishmanial Activity
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Cited by 8 •
2016
A protocol to synthesize peptoids with mixed cationic functionality in the same sequence is presented (lysine- and arginine-type monomers). Subsequent testing of these compounds against Leishmania mexicana, the protozoan parasites that cause cutaneous leishmaniasis, is also described.
07:02
Application of MassSQUIRM for Quantitative Measurements of Lysine Demethylase Activity
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Cited by 1 •
2012
We present a method for using MALDI mass spectrometry and reductive methylation chemistry to quantify changes in lysine methylation.
09:47
Isolation and Compositional Analysis of Plant Cuticle Lipid Polyester Monomers
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Cited by 32 •
2015
Lipid polyesters constitute the structural components of two cell wall modifications, the plant cuticle and suberin-containing diffusion barriers. In this video, we describe a method to depolymerize cutin from whole delipidated leaves. The method can be applied to investigating mutants compromised in either cutin or suberin biosynthesis.
08:08
An Assay for Measuring the Activity of Escherichia coli Inducible Lysine Decarboxyase
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Cited by 7 •
2010
The activity of the inducible lysine decarboxylase is monitored by reacting the substrate L-lysine and the product cadaverine with 2,4,6-trinitrobenzensulfonic acid to form adducts that have differential solubility in toluene.
05:58
Site-Specific Lysine Lactylation via Genetic Code Expansion in E. coli and Mammalian Cells
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2026
This study established a method that utilizes genetic code expansion to successfully incorporate lactyl-lysine (Klac) at specific sites of the human enolase-1 (hENO1) and superfolder GFP (sfGFP) in Escherichia coli and mammalian cells.
FAQs
The ε-amino side chain gives lysine a positive charge that supports ionic interactions with other molecular groups. Because the side chain is flexible, it can participate in contacts involved in protein folding, stability, and molecular recognition. Consequently, lysine chemistry can influence how a protein maintains its structure or interacts with another molecule.
During translation, the ribosome connects lysine to adjacent amino acids through peptide bonds. This distinguishes lysine’s role in the protein backbone from the behavior of its ε-amino side chain, which can still contribute to ionic interactions or undergo chemical modification. That combination helps lysine influence both structural properties and regulatory processes.
Acetylation, methylation, and ubiquitination alter lysine residues after they have been incorporated into proteins. These modifications create regulatory states rather than simply adding another structural contact. In chromatin-associated proteins, such changes can influence gene-expression regulation, making lysine chemistry relevant to links between protein modification and control of genetic information.
Its flexible ε-amino side chain can accommodate ionic contacts in different molecular environments, while the same site can undergo acetylation, methylation, or ubiquitination. Protein engineers therefore consider lysine when interpreting changes in folding, stability, recognition, or regulation, because one residue can contribute to several interacting properties of a designed protein.
Research on lysine monomers connects molecular chemistry with biological and materials questions. In biochemistry, studies can address protein structure and interactions; in enzyme research, lysine-related effects on function; in protein engineering, altered protein behavior; and in materials research, lysine-based polymers. Nutrition provides another context because lysine is an essential amino acid.
Lysine-focused analysis can relate an enzyme’s chemical behavior to protein folding, stability, molecular recognition, and modification. The positively charged, flexible side chain may contribute to interactions that shape how the protein is maintained or recognized. This perspective connects residue-level chemistry with broader questions about enzyme function without treating lysine as only a structural building block.
In lysine-based polymer research, the monomer’s flexible side chain and capacity for ionic interactions are central design considerations. These features can influence how polymer components interact and how the resulting biomolecular material is studied. The same chemistry that matters in proteins therefore supports investigations of lysine beyond translation, particularly in biomaterials and protein-engineering contexts.