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In a comparative study (in 2007), various detection kits had a sensitivity between 69.6% and 77.5% and a specificity between 87.8% and 96.4%. [12] Despite the excellent performance of these immunoassays, for example CCP-assays, they only provide a sensitivity comparable with that of rheumatoid factor (RF).
Crystal structure of an extracellular segment of integrin alphaVbeta3 complexed with a cyclic peptide containing the arginyl-glycyl-aspartic acid (RGD) sequence. RGD is shown in maroon. CEND-1, also known as iRGD , is a cyclic peptide that homes to tumors via binding to integrin alpha V receptors. [ 22 ]
Cyclic glycine-proline (cGP) is a small neuroactive peptide that belongs to a group of bioactive 2,5-diketopiperazines (2,5-DKPs) and is also known as cyclo-glycine-proline. cGP is a neutral, stable naturally occurring compound and is endogenous to the human body; found in human plasma, breast milk and cerebrospinal fluid.
α-Amanitin Bacitracin Ciclosporin. Cyclic peptides are polypeptide chains which contain a circular sequence of bonds. [1] This can be through a connection between the amino and carboxyl ends of the peptide, for example in cyclosporin; a connection between the amino end and a side chain, for example in bacitracin; the carboxyl end and a side chain, for example in colistin; or two side chains ...
Cyclic GMP-AMP (cGAMP) is a cyclic dinucleotide (CDN) and the first to be found in metazoans. Other CDNs (c-di-GMP and c-di-AMP) are commonly found in bacteria, archaea, and protozoa. As the name suggests, cGAMP is cyclic molecule composed of one Adenine monophosphate (AMP) and one Guanine monophosphate (GMP) connected by two phosphodiester bonds.
A protein-RNA docking benchmark was curated as a dataset of 45 non-redundant test cases [18] with complexes solved by X-ray crystallography only as well as an extended dataset of 71 test cases with structures derived from homology modelling as well. [19] The protein-RNA benchmark has been updated to include more structures solved by X-ray ...
The goal of protein–ligand docking is to predict the position and orientation of a ligand (a small molecule) when it is bound to a protein receptor or enzyme. [1] Pharmaceutical research employs docking techniques for a variety of purposes, most notably in the virtual screening of large databases of available chemicals in order to select ...
The initial contact between the peptide and the target organism is electrostatic, as most bacterial surfaces are anionic, or hydrophobic, such as in the antimicrobial peptide Piscidin. Their amino acid composition, amphipathicity, cationic charge and size allow them to attach to and insert into membrane bilayers to form pores by ‘barrel-stave ...