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UniRef
Search or download the
UniProt Non-redundant Reference databases
. UniRef combines closely related sequences into a single record to speed sequence searches.
Retrieve entries similar to your protein query by searching against the UniRef databases using the BLAST program. (For other types of similarity searches, please see the
Useful Tools/Links
page.)
Select a UniProt database to search:
UniRef100
UniRef90
UniRef50
Insert query as
sequence
or
unique sequence identifier
below:
Options:
Composition-based
Choose filter
Low complexity
Mask for lookup table only
Mask lower case
Expect
10
1
0.1
0.01
0.001
0.0001
0.00001
0.000001
0.0000001
Word size
2
3
Adjust Gap Cost to
Matrix
PAM30 (Gap Costs: 9,1)
PAM70 (Gap Costs: 10,1)
BLOSUM80 (Gap Costs: 10,1)
BLOSUM62 (Gap Costs: 11,1)
BLOSUM45 (Gap Costs: 15,2)
open
+3
+2
+1
0
-1
-2
-3
extend
+1
0
-1
No.of hits to display
50
100
250
500
2000
NCBI BLASTP Version 2.2.5 [Nov-16-2002]
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