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A peptide library is a tool for studying proteins. Peptide libraries typically contain a large number of peptides that have a systematic combination of amino acids. Usually, solid phase synthesis, e.g. resin as a flat surface or beads, is used for peptide library generation.
All peptide sequences are formed in the process that can be deduced by a combination of the amino acids used in the cycles. Portioning of the support into equal samples assures formation of the components of the library in nearly equal molar quantities. Only a single peptide forms on each bead of the support.
peptide spectral library; Peptide synthesis; Peptidomimetics (such as peptoids and β-peptides) to peptides, but with different properties. Protein tag, describing addition of peptide sequences to enable protein isolation or detection; Replikins; Ribosome; Translation (biology)
A peptide spectral library is a curated, annotated and non-redundant collection/database of LC-MS/MS peptide spectra. One essential utility of a peptide spectral library is to serve as consensus templates supporting the identification of peptides and proteins based on the correlation between the templates with experimental spectra.
The library size for yeast display is even smaller. Moreover, these cell-based display system only allow the screening and enrichment of peptides/proteins containing natural amino acids. In contrast, mRNA display and ribosome display are in vitro selection methods. They allow a library size as large as 10^15 different members.
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Biopanning is an affinity selection technique which selects for peptides that bind to a given target. [1] All peptide sequences obtained from biopanning using combinatorial peptide libraries have been stored in a special freely available database named BDB. [2] [3] This technique is often used for the selection of antibodies too.
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