TWC BioSearch
Discount Research Software Agent
Peptide CompanionTM
This is a full-featured program designed for chemists, that are working
with peptides, peptidometrics, and proteins. It compliments GPMAW.
It is capable of handling polynucleotides, carbohydrates, and any organic
molecules composed of defined subunits. It calculates molecular weights
and results of elemental analysis (which can be corrected for various additional
molecules present in lyophilized products) with the option to calculate
the analytical result for water and acetic acid content in the product.
It evaluates amino acid composition and predicts mass spectral fragmentation
of a given peptide or peptidomimetric. The program can calculate the composition
of the peptidic or nonpeptidic library, and predicts amino acid composition
of a peptide of a given molecular weight. The results of a chemical or
enzymatic digestion of a peptide or protein can be calculated and a reversed
phase HPLC chromatogram of the digest can be simulated. It can also predict
conformational parameters and protein profiles including hydrophobicity,
hydrophilicty, and amphipathicity of peptides of up to 3,000 amino acid
residues. Standard NIH format for sequence storage is used and therefore
sequences from various databases can be imported. Peptide Companion can
analyze mass spectra of peptide products and find possible source of problems.
It can serve as a database of hundreds of peptide structures and protecting
groups. The program uses standard peptide language and it automatically
translates three-letter code to one letter code and vice versa. (Requires
Windows 3.1, 95, 98 or NT).
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