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by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Peptides are abundant in living organisms, actively participating in key biological processes such as hormone regulation, enzyme catalysis, and immune responses. Their spatial structure and functional features greatly influence their biological activity. Accurately determining peptide structures is essential for understanding peptide folding patterns, bioactivity, and structural features. It also ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
In cell biology and biochemistry, post-translational modifications (PTMs) critically influence the stability, activity, localization, and functions of proteins. Among these, lactylation stands out as a significant PTM. This modification can occur on any protein residue with a free amino group, such as lysine, arginine, and tyrosine. During this process, lactate reacts with these amino acids to ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Protein phosphorylation is a reversible post-translational modification where amino acid residues in proteins are phosphorylated by kinases, which attach covalently bonded phosphate groups. This modification alters proteins' conformation, potentially activating, deactivating, or changing their functions. Research into protein phosphorylation enhances our understanding of biological processes and ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Methylation represents one of the most prevalent post-translational modifications, chiefly affecting transcription factors and histones, though it also modifies a subset of cytoplasmic proteins. This modification includes monomethylation, symmetric/asymmetric dimethylation, and trimethylation on arginine (R) and lysine (K) residues. Arginine methylation plays critical roles in RNA processing, ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Acylation is a post-translational modification involving the attachment of acyl groups, such as acyl-CoA, to proteins. This modification plays a pivotal role in regulating key biological processes including epigenetics, energy metabolism, protein trafficking, and molecular interactions. Acylation research is a dynamic field in life sciences, with studies expanding beyond acetylation to include ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Data-independent acquisition (DIA) is a non-dependent data scanning mode, a holographic mass spectrometry data acquisition mode based on the electrostatic field orbitrap. After primary mass spectrometry detection, DIA fragments all parent ions within a specific m/z range, collects fragment ions of all parent ions, and quickly scans all fragment ions within adjacent wide windows of parent ions to ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Serum, the transparent yellow fluid obtained after blood coagulation and centrifugation, contains water, proteins (albumin, fibrinogen, and globulins), lipids, carbohydrates, and other substances. Proteins in serum contain valuable biological information, offering crucial insights into disease occurrence, progression, prediction, and diagnosis. Serum proteomics is a comprehensive study of the ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
4D-DIA quantitative proteomics is an emerging high-throughput mass spectrometry technology that combines data-independent acquisition (DIA) strategies with four-dimensional (4D) separation techniques. It involves digesting protein into peptide by protease and separating peptide by liquid chromatography (LC), followed by mass spectrometry (MS) for detection and identification. It enables ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
MtoZ Biolabs provides comprehensive protein sequencing services to meet various needs of our ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
HCP antibody coverage refers to the proportion of specific host cell proteins (HCPs) detected by antibodies during pharmaceutical production. HCPs are protein impurities that inevitably remain in the final product during the production of recombinant proteins or monoclonal antibodies using host cells (such as E. coli, mammalian cells, etc.). These HCPs may affect the safety and efficacy of the ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
For the relative quantification of glycan types in glycosylated proteins, MtoZ Biolabs provides glycan type relative quantification services based on MALDI-TOF/LC-MS. Due to the diversity of O-glycosylation modifications and the absence of universal enzymes that can cleave all O-glycans, our glycan type analysis currently focuses only on N-glycosylated proteins. ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
The analysis of glycosylation sites in glycosylated proteins is of great importance for studying protein structure and ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Protein glycosylation not only influences the protein's spatial configuration, biological activity, transportation, and localization, but also plays a crucial role in specific biological processes such as molecular recognition, cell communication, and signal transduction. Therefore, the analysis of glycosylation sites and their glycoforms is of great ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Glycosylation primarily refers to the enzymatic process of linking polysaccharides to proteins, lipids, or other organic molecules, and is the most common type of post-translational modification (PTM). Due to the complexity and isoform nature of the linked polysaccharides, glycan analysis presents significant challenges. As protein therapeutics such as monoclonal antibodies, glycoproteins, ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Glycosylation analysis is one of the most challenging types of post-translational modification (PTM) analysis. Glycosylation modifications typically occur at the group level rather than as individual modifications. Even a single glycosylation site on a protein may exhibit various chain lengths and multiple polysaccharide isomers with different branching. ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
The proteome comprises gene products expressed at varying levels. Preparing protein samples is a critical step in proteomics research because the quality and reproducibility of protein extraction significantly affect downstream mass spectrometry identification efficiency and accuracy. Identifying and quantitatively comparing low-abundance proteins presents a significant challenge in ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
The most demanding and crucial part of 2D gel electrophoresis technology is the analysis of the resulting protein images. The image data are compared and analyzed automatically. Comparative analysis of 2D gel images can reveal qualitative and/or quantitative changes in protein expression between individual samples or different ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Thousands of naturally identified peptides have been recognized, playing important roles in human physiological processes, including as hormones, neurotransmitters, growth factors, ion channel ligands, or anti-infectives. Peptide drugs are considered to have high selectivity and efficacy, as well as relative safety and good tolerance. Therefore, interest in peptide drugs in drug research and ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
The transcriptome represents the complete set of mRNA in a cell under specific developmental stages or physiological conditions. Transcriptomics investigates gene transcription and regulatory mechanisms at a cellular level. Similarly, the lipidome encompasses all lipids within a cell under particular developmental stages or physiological states. Lipidomics, a crucial branch of metabolomics, ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
Mass spectrometry N-terminal sequence analysis is a method that utilizes mass spectrometry technology to efficiently and accurately determine the amino acid sequence of the N-terminus of proteins/peptides. Due to its high sensitivity, high resolution, and high throughput, it can be used to analyze complex protein/peptide mixtures, as well as identify modifications, mutations, and other sequence ...