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Top 20 Directory:
Top : Science : Chemistry : Analytical : Bioanalytical_Chemistry : Peptides
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    Sites:
  		• EMBL: IEP: Tool for calculating isoelectric point from amino acid sequence, maintained by European Molecular Biology Laboratory, Heidelberg, Germany.
  		• HLA-DR Peptide Binding: Online tool for prediction, for a single letter sequence, including algorithm methodology from UCSF, Fresno, California.
  		• ISIS: Databases of BioCatalysis, Protecting Groups, Solid-Phase Synthesis, Chirbase and other chemical data, maintained at Daresbury, Cheshire, England.
  		• PenBase: Curated database devoted to penaeidins, offering comprehensive information about penaeidin properties, function, diversity and nomenclature.
  		• Peptaibol: Antibiotic peptide database and tools at Birkbeck College, UL, Bloombury, London.
  		• PeptideMass: 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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