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PeptideMass - http://www.expasy.org/tools/peptide-mass.html
Web-based tool for calculating the molecular weight of peptides by sequence, in oxidised, reduced or IAA forms, using its one-letter code, provided by ExPasy, Switzerland. |
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EMBL: IEP - http://www.embl-heidelberg.de/cgi/pi-wrapper.pl
Tool for calculating isoelectric point from amino acid sequence, maintained by European Molecular Biology Laboratory, Heidelberg, Germany. |
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Peptaibol - http://www.cryst.bbk.ac.uk/peptaibol/
Antibiotic peptide database and tools at Birkbeck College, UL, Bloombury, London. |
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Molecular Clocks: Deamidation of Asparaginyl and Glutaminyl Residues in Peptides and Proteins - http://www.deamidation.org/
Review with color illustrations, tables and references to the research literature. |
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PenBase - http://www.penbase.immunaqua.com/
Curated database devoted to penaeidins, offering comprehensive information about penaeidin properties, function, diversity and nomenclature. |