Search Database for Two Sequence Patterns


This program allows you to search protein databases for occurrences of two sequence strings, such as YEEI and PXXP. The output consists of a list of protein IDs containing both strings, including their number of occurrences within each protein (in case there are multiple YEEI matches, for example). Leaving a position blank means no restriction exists; placing an X there requires some amino acid to be in that position.

Wildcards:
$ Aliphatic residues (GAVILM)
! Polar uncharged residues (STNQ)
# Positive residues (HKR)
& Negative residues (DE)
@ Aromatic residues (FYW)
X Any residue

Enter the first motif below in single-letter amino acid code.
FIRST MOTIF
TO SCAN FOR
-7
-6
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
+6
+7

Enter the second motif below in single-letter amino acid code.
SECOND MOTIF
TO SCAN FOR
-7
-6
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
+6
+7

Select Database to Search:

Only want human proteins? Or proteins under 50 kDa? You can use the following options to place additional restrictions on the proteins you want. Otherwise, just leave them blank. Press the Submit button below when done.

      Organism Class: Class descriptions
      Single species: Examples
      Molecular weight range: to Notes
      Isoelectric point range: to Notes
      Phosphorylated sites: Notes
      Keyword search: Examples



Scansite Home Page