Quadrupia
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About
G4 Sequence Search (BLAST)
Step 1.
Enter/Paste one or more DNA sequences or use the 'Choose File' below:
Load Example
Step 2.
Adjust BLAST search parameters:
Reference G-quadruplex set:
By regular expression
By G4Hunter
All (very slow)
Search Method:
blastn-short (optimized for short sequences)
blastn (for sequences longer than 30 nts)
Word Size:
7
11
15
Match/Mismatch scores:
1,-1
1,-2
1,-2
1,-2
2,-3
4,-5
Gap costs:
Exist: 4, Extend: 4
Exist: 2, Extend: 4
Exist: 0, Extend: 4
Exist: 3, Extend: 3
Exist: 6, Extend: 2
Exist: 5, Extend: 2
Exist: 4, Extend: 2
Exist: 2, Extend: 2
Expect threshold:
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