Filter: ?

Sequence start ?

Sequence matches (regular expression) ?

Terminus starts ?

Modification ?

Protein (UniProt Accession):


Regular expression quick reference>
[MRK] A single amino acid: M, R or K
[^MRK] Any single amino acid but M, R, or K
[A-Y] Any single amino acid in the range a-y (alphabetically)
^ Start of sequence
$ End of sequence
. Any single amino acid
(L|I) L or I
A? Zero or one of A
A* Zero or more of A
A+ One or more of A
A{3} Exactly 3 of A
A{3,} 3 or more of A
A{3,6} Between 3 and 6 of A