note - FIZ Karlsruhe
note - FIZ Karlsruhe
note - FIZ Karlsruhe
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Protein sequences: switching off the low complexity filter<br />
Recall the Search Question (page 20)…<br />
Advanced similarity searching<br />
Find patent sequences with similarity to the Banana Bunchy Top Virus<br />
(BBTV) Replication Initiation Protein (NCBI: AAG44003):<br />
MSSFKWCFTLNYSSAAEREDFLALLKEEELNYAVVGDEVAPSSGQKHLQG<br />
YLSLKKSIKLGGLKKKYSSRAHWERARGSDEDNAKYCSKETLILELGFPA<br />
SQGSNRRKLSEMVSRSPERMRIEQPEIYHRYTSVKKLKKFKEEFVHPCLD<br />
RPWQIQLTEAIDEEPDDRSIIWVYGPNGNEGKSTYAKSLMKKDWFYTRGG<br />
KKENILFSYVDEGSEKHIVFDIPRCNQDYLNYDVIEALKDRVIESTKYKP<br />
IKLVELINIHVIVMANFMPEFCKISEDRIKIIYC<br />
Search Strategy<br />
To repeat a similarity search for protein sequences with BLAST<br />
without the low complexity filter...<br />
Step 1 Upload the sequence using STN Express<br />
Step 2 Conduct a BLAST search with the filter turned off<br />
Step 3 Sor the answers by descending similarity score<br />
Step 4 Review using a free-of-charge format with alignment<br />
Step 5 Display selected answers in a bibliographic format<br />
Upload the sequence query<br />
=> FILE DGENE<br />
FILE 'DGENE' ENTERED AT 17:50:22 ON 28 DEC 2010<br />
COPYRIGHT (C) 2010 THOMSON REUTERS<br />
=> UPL R BLAST<br />
Uploading C:\Documents and Settings\Rob Austin\Desktop\BBTV protein.txt<br />
UPLOAD SUCCESSFULLY COMPLETED<br />
L1 GENERATED<br />
See page 21 for instructions on how to<br />
upload the sequence query text file.<br />
GENESEQ on STN (DGENE) Workshop Manual | Page 63