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EMBL: CLUSTALW
PRESENTED BY:
MAHESH KUMAR
DEPARTMENT OF
BIOTECHNOLOGY
ROLL NO.:191506
EMBL
• INTRODUCTION: EMBL (EUROPEAN MOLECULAR BIOGICAL INFORMATION)
• THIS IS THE ONE OF THE WORLD’S LEADING RESEARCH INSTITUTIONS AND
EUROPE FLAGSHIP LABORATORY FOR THE LIFE SCIENCES.
• LOCATION-WELCOME TRUST GENOME CAMPUS IN HINXTONS,UK ALONG WITH
WELCOME TRUST SANGER INSTITUTE.
• FOUNDED IN -1974
• HISTORY-EMBL-NUCLEOTIDE SEQUENCE DATE LIBRARY.
• EMBL COUNCIL VOTED FOR ESTABLISHING EBI.
CLUSTALW
• THIS IS THE THIRD GENERATION, RELEASED IN 1994.
• THIS IS PRODUCED BY JULIE D ,THOMSON ,TOBY AND GIBSON OF EUROPEAN
MOLECULAR BIOLOGY LABORATORY GERMANY AND DESMAND HIGGINS OF
EUROPEAN BIOINFORMATICS INSTITUTE CAMBRIDGE, UK AND AGROTHMICS.
• THIS IS AN BASIC MULTIPLE ALIGNMENT PROGRAM THAT USES SEEDED GUIDE
TREES AND HMM PROFILE-PROFILE
AIMS AND SCOPES
• EMBL-EBI MAINTAINS A COMPREHENSIVE RANGE OF AVAILABLE AND UP TO
DATE DATABASES WHICH COLLECTIVELY COVER THE FULL RANGE OF
MOLECULAR BIOLOGY, FROM NUCLEOTIDE SEQUENCE TO FULL SYSTEM.
• IT HAS A MANDATE TO MAKE IT’S TASK AND INFRASTRUCTURE FREELY
AVAILABLE TO THE GLOBAL SCIENTIFIC COMMUNITY.
• EMBL-EBI IS A CENTRAL PARTNER IN GLOBAL EFFORTS TO EXCHANGE
INFORMATION,SET STANDARDS, DEVELOP NEW METHODS AND CUARATE
COMPLEX INFORMATION.
TIME COMPLEXITY
• CLUSTALW HAS A TIME COMPLEXITY OF O(N2) BECOME OF IT’S USE OF THE
NEIGHBOURS JOINING METHOD.
• IT SAVES THE SIGNIFICANT AMOUNT OF TIME.
• IT TAKES ONE HOUR.
HOW WE CAN WORK ON CLUSTALW ON
LAPTOP OR MOBILE: ANALYZE OF DATA
• FIRST WE WILL GO ON NCBI WEBSITE.
• WE ASSUME THAT WE HAVE A PQQC GENE.
• THEN HERE WE SELECT THE ALL DATABASE OPTIONS AND SELECT THE NUCLEOTIDE OPTIONS IN THIS
.
• THEN,WE WRITE THE PQQC GENE IN SEARCH BAR.
• AFTER THAT ,WE WILL SEE THE LIST OF PQQC GENE AND SELECT ONE OF THEM.
• AFTER SELECT THE GENE ,WE CLICK ON PARTICULAR GENE AND GET A SEQUENCE OF THAT
PARTICULAR GENE.THEN ,WE GO ON FASTA FORMAT AND GET A SEQUENCE OF THAT PARTICULAR
GENE NUCLEOTIDE ON FASTA FORMAT.
• THEN WE COPY THIS FAST SEQUENCES AND GO ON BLAST WEBSITE AND HERE,WE SELECT
NUCLEOTIDE BLAST AND IN IT ,WE COPY THE FASTA SEQUENCE.
CONTINUOUS....
• RUN THE BLAST NUCLEOTIDE.
• WE GET MANY DOWNLOADED FILES IN BLAST FORMAT (FASTA ALIGNED).
• SELECTION GENE SEQUENCES AND DOWNLOAD.
• THEN COPY THE DOWNLOAD.
• THEN WE WILL GO ON WWW.GENOME.JP(MULTIPLE SEQUENCE ALIGNMENT CLUSTALW).
• HERE WE WILL SEE A BOX.
• PASTE THE SEQUENCE FROM BLAST IN IT.
• THEN EXECUTE MULTIPLE SEQUENCE ALIGNMENT.
• RESULTS IS READY.AFTER THIS WE CAN MAKE PHYLOGENETIC ANALYSIS.
• ALL THIS PROCESS IS GIVEN AS A FIGURE IN NEXT SLIDES.
CONTINUOUS
...
CONTINUOUS.
..
CONTINUOU
S..
CONTINUOUS..
CONTINUOUS..
.
CONTINUOUS....
CONTINUOUS..
CONTINUOUS...
CONTINUOUS...
CONTINUOUS
...
CONTINUOUS.
..
CONTINUOUS..
ACCURACY AND RESULTS
• ALGORITHM CLUSTALW USES PROVIDES A CLOSE TO OPTIMAL RESULTS ALMOST
EVERY TIME.
• HOWEVER , IT DOES EXCEPTIONALY WELL WHEN THE DATA SET CONTAINS
SEQUENCES WITH VARIED DEGREE OF DIVERGENCE.
• THIS IS BECAUSE IN DATA SET LIKE, THIS IS THE GUIDE TREE BECOMES LESS SENSITIVE
TO NOISE.
• BUT THERE IS A LEAST LOSE OF ACCURACY THAT OTHER SOFTWARE DOESN’T HAVE
DUE TO THIS.
• WHEN THIS TESTED AGAINST MAFFT,T-COFFEE,CLUSTAL OMEGA AND OTHER MSA,IT
HAD LOWEST ACCURACY.
• IT HAD THE LEAST RAM MEMORY.
APPLICATION
• 1.USED FOR ALIGNING MULTIPLE NUCLEOTIDE PROTEIN SEQUENCE IN AN
EFFICIENT MANNER.
• 2.WE CAN USE IN MANUAL PRIMER DESIGNING WITH CLUSTALW.
• 3.THEY ARE MANY VERSION OF THE CLUSTAL OVER THE DEVELOPMENT OF THE
ALGORITHM ARE USED IN PRESENT TIME TO DO MULTIPLE SEQUENCE
ALIGNMENT.
REFERENCE
• HTTP://YOUTU.BE/QDJPUJI1LYU.
• NOTE ALL THE GIVEN IMAGES FROM NCBI WEBSITE.
• HTTP://WWW.NCBI.NLM.NIH.GOV/
•THANKING YOU

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Embl clustalw

  • 1. EMBL: CLUSTALW PRESENTED BY: MAHESH KUMAR DEPARTMENT OF BIOTECHNOLOGY ROLL NO.:191506
  • 2. EMBL • INTRODUCTION: EMBL (EUROPEAN MOLECULAR BIOGICAL INFORMATION) • THIS IS THE ONE OF THE WORLD’S LEADING RESEARCH INSTITUTIONS AND EUROPE FLAGSHIP LABORATORY FOR THE LIFE SCIENCES. • LOCATION-WELCOME TRUST GENOME CAMPUS IN HINXTONS,UK ALONG WITH WELCOME TRUST SANGER INSTITUTE. • FOUNDED IN -1974 • HISTORY-EMBL-NUCLEOTIDE SEQUENCE DATE LIBRARY. • EMBL COUNCIL VOTED FOR ESTABLISHING EBI.
  • 3. CLUSTALW • THIS IS THE THIRD GENERATION, RELEASED IN 1994. • THIS IS PRODUCED BY JULIE D ,THOMSON ,TOBY AND GIBSON OF EUROPEAN MOLECULAR BIOLOGY LABORATORY GERMANY AND DESMAND HIGGINS OF EUROPEAN BIOINFORMATICS INSTITUTE CAMBRIDGE, UK AND AGROTHMICS. • THIS IS AN BASIC MULTIPLE ALIGNMENT PROGRAM THAT USES SEEDED GUIDE TREES AND HMM PROFILE-PROFILE
  • 4. AIMS AND SCOPES • EMBL-EBI MAINTAINS A COMPREHENSIVE RANGE OF AVAILABLE AND UP TO DATE DATABASES WHICH COLLECTIVELY COVER THE FULL RANGE OF MOLECULAR BIOLOGY, FROM NUCLEOTIDE SEQUENCE TO FULL SYSTEM. • IT HAS A MANDATE TO MAKE IT’S TASK AND INFRASTRUCTURE FREELY AVAILABLE TO THE GLOBAL SCIENTIFIC COMMUNITY. • EMBL-EBI IS A CENTRAL PARTNER IN GLOBAL EFFORTS TO EXCHANGE INFORMATION,SET STANDARDS, DEVELOP NEW METHODS AND CUARATE COMPLEX INFORMATION.
  • 5. TIME COMPLEXITY • CLUSTALW HAS A TIME COMPLEXITY OF O(N2) BECOME OF IT’S USE OF THE NEIGHBOURS JOINING METHOD. • IT SAVES THE SIGNIFICANT AMOUNT OF TIME. • IT TAKES ONE HOUR.
  • 6. HOW WE CAN WORK ON CLUSTALW ON LAPTOP OR MOBILE: ANALYZE OF DATA • FIRST WE WILL GO ON NCBI WEBSITE. • WE ASSUME THAT WE HAVE A PQQC GENE. • THEN HERE WE SELECT THE ALL DATABASE OPTIONS AND SELECT THE NUCLEOTIDE OPTIONS IN THIS . • THEN,WE WRITE THE PQQC GENE IN SEARCH BAR. • AFTER THAT ,WE WILL SEE THE LIST OF PQQC GENE AND SELECT ONE OF THEM. • AFTER SELECT THE GENE ,WE CLICK ON PARTICULAR GENE AND GET A SEQUENCE OF THAT PARTICULAR GENE.THEN ,WE GO ON FASTA FORMAT AND GET A SEQUENCE OF THAT PARTICULAR GENE NUCLEOTIDE ON FASTA FORMAT. • THEN WE COPY THIS FAST SEQUENCES AND GO ON BLAST WEBSITE AND HERE,WE SELECT NUCLEOTIDE BLAST AND IN IT ,WE COPY THE FASTA SEQUENCE.
  • 7. CONTINUOUS.... • RUN THE BLAST NUCLEOTIDE. • WE GET MANY DOWNLOADED FILES IN BLAST FORMAT (FASTA ALIGNED). • SELECTION GENE SEQUENCES AND DOWNLOAD. • THEN COPY THE DOWNLOAD. • THEN WE WILL GO ON WWW.GENOME.JP(MULTIPLE SEQUENCE ALIGNMENT CLUSTALW). • HERE WE WILL SEE A BOX. • PASTE THE SEQUENCE FROM BLAST IN IT. • THEN EXECUTE MULTIPLE SEQUENCE ALIGNMENT. • RESULTS IS READY.AFTER THIS WE CAN MAKE PHYLOGENETIC ANALYSIS. • ALL THIS PROCESS IS GIVEN AS A FIGURE IN NEXT SLIDES.
  • 20. ACCURACY AND RESULTS • ALGORITHM CLUSTALW USES PROVIDES A CLOSE TO OPTIMAL RESULTS ALMOST EVERY TIME. • HOWEVER , IT DOES EXCEPTIONALY WELL WHEN THE DATA SET CONTAINS SEQUENCES WITH VARIED DEGREE OF DIVERGENCE. • THIS IS BECAUSE IN DATA SET LIKE, THIS IS THE GUIDE TREE BECOMES LESS SENSITIVE TO NOISE. • BUT THERE IS A LEAST LOSE OF ACCURACY THAT OTHER SOFTWARE DOESN’T HAVE DUE TO THIS. • WHEN THIS TESTED AGAINST MAFFT,T-COFFEE,CLUSTAL OMEGA AND OTHER MSA,IT HAD LOWEST ACCURACY. • IT HAD THE LEAST RAM MEMORY.
  • 21. APPLICATION • 1.USED FOR ALIGNING MULTIPLE NUCLEOTIDE PROTEIN SEQUENCE IN AN EFFICIENT MANNER. • 2.WE CAN USE IN MANUAL PRIMER DESIGNING WITH CLUSTALW. • 3.THEY ARE MANY VERSION OF THE CLUSTAL OVER THE DEVELOPMENT OF THE ALGORITHM ARE USED IN PRESENT TIME TO DO MULTIPLE SEQUENCE ALIGNMENT.
  • 22. REFERENCE • HTTP://YOUTU.BE/QDJPUJI1LYU. • NOTE ALL THE GIVEN IMAGES FROM NCBI WEBSITE. • HTTP://WWW.NCBI.NLM.NIH.GOV/