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HKUHKU Computer Centre Introduction to SRS Frankie Cheung frankie@cc.hku.hk
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HKUHKU Computer Centre Introduction to SRS Part 0. Introduction
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HKUHKU Computer Centre SRS Introduction Sequence Retrieval System parsing and indexing SRS system started out as a Sequence Retrieval System that employed sophisticated parsing and indexing of database text files
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HKUHKU Computer Centre SRS Introduction Fast access Fast access to diverse life science data - genetic, protein, cellular, molecular, and clinical - for researchers and bioinformaticians one interface Integration of public and proprietary data through one interface cross-database queries Unique ability to perform cross-database queries Rapid string search Rapid string search of large volumes of data integration of data and analysis tools Seemless integration of data and analysis tools
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HKUHKU Computer Centre Starting SRS Browse the BIOSUPPORT Hompage: http://bioinfo.hku.hk/ http://bioinfo.hku.hk/ “Tools” Select “Tools” Option
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HKUHKU Computer Centre Starting SRS Sequence Retrieval System (SRS) At the “Tools” page, find and click on the Sequence Retrieval System (SRS) system
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HKUHKU Computer Centre SRS Main Page Temporary Project After successful login, the default page is a “ Temporary Project ”.
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HKUHKU Computer Centre SRS Main Page Temporary Project For a “Temporary Project”, the result of your work would not be stored after you close SRS.
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HKUHKU Computer Centre SRS Main Page Permanent Project Starting a “ Permanent Project ”, the result of your work would be stored even after you close SRS.
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HKUHKU Computer Centre Permanent Project Permanent Project After selecting a “ Permanent Project ”, your account name and project name will be displayed. (Since no password protection under current policy, this approach is not recommended.)
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HKUHKU Computer Centre Permanent Project Permanent Project All the query and job result will be saved in your “ Permanent Project ”.
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HKUHKU Computer Centre Permanent Project Option Save to desktop “ Save to desktop ” : download & save your project info to your local machine
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HKUHKU Computer Centre Permanent Project Option Rename project “ Rename project ” : change the name of your project
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HKUHKU Computer Centre Permanent Project Option Delete project “ Delete project ” : delete all the related information of your current project
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HKUHKU Computer Centre “Quick Searches” page : Quick access with default databank selection
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HKUHKU Computer Centre “Quick Text Search” Quick sequence query with default databank selection Enter your search string and click “Search” to start searching
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HKUHKU Computer Centre “Quick Text Search” Default Databank Setting: Nucleotide SeqEMBL Protein SeqSWALL Protein StructurePDB GenomeLocusLink MutationsOMIM Metabolic PathwayPathway
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HKUHKU Computer Centre Introduction to SRS Part 1. Simple Query
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HKUHKU Computer Centre Simple query Select Databank PIR Go back to “ Select Databank ”, click on “ PIR ” to select “PIR” databank
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HKUHKU Computer Centre Simple query Query Then click the “ Query ” button to fill in the query form
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HKUHKU Computer Centre Simple query AllText Description Click the first “ AllText ” pull down menu to change it to “ Description ” cytochrome Enter “ cytochrome ” at the blank besides
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HKUHKU Computer Centre Simple query AllText Organism Click the second “ AllText ” pull down menu to change it to “ Organism ” pig Enter “ pig ” at the blank besides
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HKUHKU Computer Centre Simple query Search Click the “ Search ” button to start searching any sequence in PIR databanks satisfy your query form
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HKUHKU Computer Centre Simple query After searching for awhile, there would be some result listing entries. PIR:S26019 Try to click the PIR:S26019 entry
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HKUHKU Computer Centre Gene Sequence ID, accession number, description, keywords SRS would display the PIR:S26019 description: including ID, accession number, description, keywords, etc
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HKUHKU Computer Centre Gene Sequence Medline reference Scroll down to see the reference related to this sequence, there is also a Medline reference hyperlink available
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HKUHKU Computer Centre Gene Sequence gene function gene sequence Scroll down to see the gene function and the gene sequence
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HKUHKU Computer Centre Gene Sequence Save the gene sequence information to your local machine Save Click the “ Save ” button at the leftmost panel
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HKUHKU Computer Centre Gene Sequence Output to Click the “ Output to ” button to choose the text/html format
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HKUHKU Computer Centre Gene Sequence Complete entries Click the “Use View” button to choose the “ Complete entries ” format
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HKUHKU Computer Centre Gene Sequence save Then click “ save ” to save again the PIR:S26019 to your local machine
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HKUHKU Computer Centre Simple query: Exercise 15 Minutes Break Please try the following exercises by yourself!
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HKUHKU Computer Centre Simple query: Exercise Question 1. Search all the “SARS virus” in EMBL databases
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HKUHKU Computer Centre Simple query: Exercise 1. Search all the “SARS virus” in EMBL databases
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HKUHKU Computer Centre Simple query: Exercise 1. Search all the “SARS virus” in EMBL databases
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HKUHKU Computer Centre Simple query: Exercise 1. Search all the “SARS virus” in EMBL databases:
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HKUHKU Computer Centre Simple query: Exercise Question 2. How many CDS regions for the “EMBL:AY278488” (SARS coronavirus BJ01) ?
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HKUHKU Computer Centre Simple query: Exercise 2. Click to see the detail AY278488
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HKUHKU Computer Centre Simple query: Exercise 2. Click to see the detail AY278488
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HKUHKU Computer Centre Simple query: Exercise 2. Count the number of CDS entries
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HKUHKU Computer Centre Simple query: Exercise 2. CDS entries of EMBL:AY278488 orf1ab orf1a polyprotein spike glycoprotein S putative uncharacterized protein 1 putative uncharacterized protein 2 envelope protein E membrane protein M putative uncharacterized protein 3 putative uncharacterized protein 4 nucleocapsid protein N putative uncharacterized protein 5
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HKUHKU Computer Centre Simple query: Exercise Question 3. What is the protein ID for EMBL:AY278741 (SARS coronavirus Urbani) spike glycoprotein?
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HKUHKU Computer Centre Simple query: Exercise 3. Click to see the detail AY278741
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HKUHKU Computer Centre Simple query: Exercise 3. EMBL:AY278741
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HKUHKU Computer Centre Simple query: Exercise 3. EMBL:AY278741
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HKUHKU Computer Centre Simple query: Exercise Question 4. Following the link of the spike glycoprotein of EMBL:AY278741, what is the biological function of this spike-protein?
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HKUHKU Computer Centre Simple query: Exercise 4. EMBL:AY278741
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HKUHKU Computer Centre Simple query: Exercise 4. Find biological function of VGL2_CVHSA
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HKUHKU Computer Centre Simple query: Exercise 4. Find biological function of VGL2_CVHSA
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HKUHKU Computer Centre Introduction to SRS Part 2. Extended Search
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HKUHKU Computer Centre Extended Search Select Databanks Click the “ Select Databanks ” button at the top to select PIR as query targe
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HKUHKU Computer Centre Extended Search Query Click the “ Query ” button at the top to back to query form
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HKUHKU Computer Centre Extended Search Extended Query Click the “ Extended Query ” button at the left panel to display the extended search form
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HKUHKU Computer Centre Extended Search Extended Super Family cytochrome-c In the “ Extended ” search form, find the “ Super Family ” field and then enter “ cytochrome-c ” Search Click the “ Search ” to start the query
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HKUHKU Computer Centre Extended Search After searching for awhile, there would be extended search result list appear
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HKUHKU Computer Centre Using Search Results Result Click the “ Result ” button at the top to reuse your query result
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HKUHKU Computer Centre Using Search Results Q1 !Q3 In the “Result” pages, enter “ Q1 !Q3 ” at the top blank field and click “Expression” to combine 2 queries results(Q1 but not Q3), click “Search”
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HKUHKU Computer Centre Using Search Results After waiting for awhile, SRS give the query result of Query 1 but not Query 3 => Query of all sequences in PIR with description having “cytochrome” string and organism having “pig”, but their super-family having no string of “cytochrome-c”
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HKUHKU Computer Centre Extended Search: Exercise 15 Minutes Break Please try the following exercises by yourself!
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HKUHKU Computer Centre Extended Search : Exercise Question 1. Search all the human DNA sequence entries created after 01-Jan-2003 with sequence length greater than 100000 in EMBL.
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HKUHKU Computer Centre Extended Search : Exercise Question 1.
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HKUHKU Computer Centre Extended Search : Exercise Question 1.
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HKUHKU Computer Centre Extended Search : Exercise Question 1.
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HKUHKU Computer Centre Extended Search : Exercise Question 1.
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HKUHKU Computer Centre Extended Search : Exercise Question 1.
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HKUHKU Computer Centre Extended Search : Exercise Question 2. Search all the mouse protein sequence entries created before 01-Jul-2002 with NCBI TAX_ID less than 4000 in SWISSPROT.
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HKUHKU Computer Centre Extended Search : Exercise Question 2.
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HKUHKU Computer Centre Extended Search : Exercise Question 2.
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HKUHKU Computer Centre Extended Search : Exercise Question 2.
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HKUHKU Computer Centre Extended Search : Exercise Question 2.
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HKUHKU Computer Centre Extended Search : Exercise Question 3. Using the previous result, search the entries that have links to “PROSITE” database.
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HKUHKU Computer Centre Extended Search : Exercise Question 3. Identify the Query ID (Q6 in this case, you may not have same query ID)
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HKUHKU Computer Centre Extended Search : Exercise Question 3. Enter the expression to find the entries in previous that have link to “PROSITE” database (“Q6<PROSITE” in this case, you may not have same query ID)
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HKUHKU Computer Centre Extended Search : Exercise Question 3. Result similar to this one
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HKUHKU Computer Centre Introduction to SRS Part 3. Linking related sequence / database
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HKUHKU Computer Centre Linking Related Sequence first two sequence Go back to result #3, Click to select the first two sequence Link Click “ Link ” button to search for the related sequence
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HKUHKU Computer Centre Linking Related Sequence Find related entries Ensure the choice “ Find related entries ” EMBL Click “ EMBL ” as to search related sequence in this databank Search Click “ Search ” button
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HKUHKU Computer Centre Linking Related Sequence Result: 5 entries found in “EMBL” are the the related sequence with your selected sequence
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HKUHKU Computer Centre Linking Related Sequence Refine the result list to “SeqSimpleView” in the left panel
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HKUHKU Computer Centre Linking Related Sequence Result List
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HKUHKU Computer Centre Linking database: Exercise 15 Minutes Break Please try the following exercises by yourself!
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HKUHKU Computer Centre Linking database: Exercise Question 1. Find in the EMBL database the corresponding sequences that link to the longest sequence of the previous result (question #2 in extended search)
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HKUHKU Computer Centre Linking database : Exercise Question 1. Go back to the previous result Question #2 in extended search(Query #6 in this case)
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HKUHKU Computer Centre Linking database : Exercise Question 1. Sort to find the longest sequence from the result list
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HKUHKU Computer Centre Linking database : Exercise Question 1. Sort to find the longest sequence from the result list
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HKUHKU Computer Centre Linking database : Exercise Question 1. Click the “Link” button after selecting the longest sequence
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HKUHKU Computer Centre Linking database : Exercise Question 1. Search the “EMBL” database which have related entries links to selected sequence
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HKUHKU Computer Centre Linking database : Exercise Question 1. EMBL:AP000423 is matched
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HKUHKU Computer Centre Linking database: Exercise Question 2. Using the previous result (question #1 in simple query), make a query to find the entries which have links to SWISSPROT database
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HKUHKU Computer Centre Linking database : Exercise Question 2. Go back to the previous result Question #1 in simple query (Query #2 in this case)
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HKUHKU Computer Centre Linking database : Exercise Question 2. Click the “Link” button with “Unselected only”
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HKUHKU Computer Centre Linking database : Exercise Question 2. Select “Swissprot”, show only results with related entries link to “Swissprot”
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HKUHKU Computer Centre Linking database : Exercise Question 2. Around 11 EMBL entries are matched Return list should be EMBL entries but not SWISSPROT entries
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HKUHKU Computer Centre Linking database: Exercise Question 3. Using the previous result (question #1 in simple query), make a query to find the entries which have no links to SWISSPROT database
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HKUHKU Computer Centre Linking database : Exercise Question 3. Select “Swissprot”, show only results without related entries
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HKUHKU Computer Centre Linking database : Exercise Question 3. Around 32 EMBL entries are matched
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HKUHKU Computer Centre Introduction to SRS Part 4. Application
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HKUHKU Computer Centre Application: BLAST Go back to the query result page -> Q9 "(([PIR-ID:ODHU1] | [PIR-ID:ODBO1]) > EMBL )" BLASTN Click the checkbox of EMBL:MIHSM1 and then click “Launch” with application “ BLASTN ”
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HKUHKU Computer Centre Application: BLAST Yeast Complete Genome BLAST window appear and change the “Complete Database to search” to Yeast Complete Genome Change other parameters as you like and then click “Launch” to execute
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HKUHKU Computer Centre Application: BLAST BLAST job was submitted to the batch queue Click the hourglass icon (left top corner) to check whether the job is finished?
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HKUHKU Computer Centre Application: BLAST After the job result is ready, click to see the BLAST job result
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HKUHKU Computer Centre Application: BLAST After waiting for awhile, the BLAST result list appear, click any one of them to view the detail
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HKUHKU Computer Centre Application: BLAST BLAST alignment result with the databanks
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HKUHKU Computer Centre Application: Clustalw Go back to blast result list. Then click the checkbox to select first 5 sequence NClustalW Launch Click the Application pull down menu to “ NClustalW ” and then click “ Launch ”
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HKUHKU Computer Centre Application: Clustalw Then “ClustalW” window appear and change the parameters as you like
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HKUHKU Computer Centre Application: Clustalw Launch After click “ Launch ”, SRS would launch clustalw with you selected sequence and give the result
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) Using the ClustalW result, and then click “Tools”
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) Choose “prettyplotN”, and then click “Launch”
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) It jump to “prettyplotN” interface, scroll down …..
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) Click to select “Display the consensus”, and then click “Launch”
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) Click the first graphic file to view the result, while the second file would be empty
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HKUHKU Computer Centre Application: EMBOSS(eg: PRETTYPLOT) You will see the identical residue shown in RED color The last line show the consensus of the alignment
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HKUHKU Computer Centre Application: EMBOSS(eg: SIXPACK) Go back to the query result page -> Q9 "(([PIR-ID:ODHU1] | [PIR-ID:ODBO1]) > EMBL )" Click the checkbox of EMBL:MIHSM1 and then click “Tools”
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HKUHKU Computer Centre Application: EMBOSS(eg: SIXPACK) Choose “ SIXPACK ” and then click “ Launch ”
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HKUHKU Computer Centre Application: EMBOSS(eg: SIXPACK) click “ Launch ” to run SIXPACK program
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HKUHKU Computer Centre Application: EMBOSS(eg: SIXPACK) At the result page, see the number of possible ORF in 6-frame
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HKUHKU Computer Centre Application: EMBOSS(eg: SIXPACK) See the translation in all 6-frames
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HKUHKU Computer Centre Application: EMBOSS(eg: TMAP) Several EMBOSS can be directly launched by SRS: for example, TMAP Go back to Q4 result and click the checkbox of PIR:S26019 and then click “Tools”
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HKUHKU Computer Centre Application: EMBOSS(eg: TMAP) TMAP It will jump to show a list of application, change the pull-down menu to “TMAP” and click launch
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HKUHKU Computer Centre Application: EMBOSS(eg: TMAP) “TMAP” window appear and click “Launch” to execute TMAP with your selected sequence
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HKUHKU Computer Centre Application: EMBOSS(eg: TMAP) After waiting for awhile, “TMAP”give out the predicts transmembrane segments result
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HKUHKU Computer Centre Application: EMBOSS(eg: TMAP) Scroll at the bottom to click to see the membrane spanning regions diagram
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HKUHKU Computer Centre Application : Exercise 15 Minutes Break Please try the following exercises by yourself!
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HKUHKU Computer Centre Application: Exercise Question 1. Do the sequence alignment of the 5 shortest sequence from the previous result (question #2 in extended search) using clustalw
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HKUHKU Computer Centre Application: Exercise Question 1. Go back to the previous result Question #2 in extended search, Q6 in this case
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HKUHKU Computer Centre Application: Exercise Question 1. Sort to find the 5 shortest sequences from the result list
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HKUHKU Computer Centre Application: Exercise Question 1. Launch “Clustalw” after selecting 5 shortest sequences
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HKUHKU Computer Centre Application: Exercise Question 1. No need to modify any parameters, click “launch” to start sequence alignment
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HKUHKU Computer Centre Application: Exercise Question 1.
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HKUHKU Computer Centre Application: Exercise Question 2. Do the BLAST search using the EMBL:AY278491 (HKU-SARS virus) sequence against EMBL (Release): VRL(virus) database
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HKUHKU Computer Centre Application: Exercise Question 2. Go back to previous result list(Q2 in normal case) to find the HKU-SARS virus
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HKUHKU Computer Centre Application: Exercise Question 2. Search against the Viruses database
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HKUHKU Computer Centre Application: Exercise Question 2. After waiting for few minutes, BLAST result list display
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HKUHKU Computer Centre Application: Exercise Question 2. See the BLAST result vs TOR2
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HKUHKU Computer Centre Application: Exercise Question 3. Find the transmembrance segments of the SWISSPROT:VME1_CVHSA (SARS virus M-protein) sequence using TMAP
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HKUHKU Computer Centre Application: Exercise Question 3. After finding the sequence, launch “tmap”
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HKUHKU Computer Centre Application: Exercise Question 3. After finding the sequence, launch “tmap”
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HKUHKU Computer Centre Application: Exercise Question 3.
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HKUHKU Computer Centre Application: Exercise Question 3.
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HKUHKU Computer Centre Application: Exercise Question 3.
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HKUHKU Computer Centre Introduction to SRS Part 5. Others
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HKUHKU Computer Centre User submit own sequence: User can submit their own sequence to work with SRS Go to “Select Databanks”, click to “Expand all” and find the “User Owned Databanks” Click the “Add Data” beside USERDNA
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HKUHKU Computer Centre User submit own sequence: Enter your own DNA sequence in the blank field Then click “Launch” to input your own sequence to the UserDNA databank
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HKUHKU Computer Centre User submit own sequence: Wait for SRS to store your input DNA sequence
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HKUHKU Computer Centre User submit own sequence: Your sequence has been successfully input to the USERDNA databank
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HKUHKU Computer Centre User submit own sequence: Then you can search related link sequence or launch application with your sequence For example, you can launch BLAST with your input sequence
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HKUHKU Computer Centre SRS On-Line Help
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HKUHKU Computer Centre SRS On-Line Help
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HKUHKU Computer Centre -END-
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