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) is a tool which allows
the computation of various physical and chemical parameters
for a given protein stored
in Swiss-Prot or TrEMBL
or for a user entered
protein sequence. The computed parameters include the molecular weight, theoretical pI,
amino acid composition, atomic composition, extinction coefficient, estimated half-life, instability
index, aliphatic index and grand average of hydropathicity (GRAVY) (Disclaimer
Please note that you may only fill out one
of the following
fields at a time.