Query

Search for a specific Molecular Weight in

                            Estimated error :dalton

Show proteins with molecular weight between anddalton

Show proteins with isoelectric point between and

Show only the peptides containing amino acids
Example: A[IL]F[^CD] means that the peptide contains A and (I or L)F and not C or D
Example: ^G.*[IL].*A$ means that the peptide begins with G then at some point has I or L and ends with A