'Nucleotide database' presentation slideshows

NCBI Molecular Biology Resources

NCBI Molecular Biology Resources. Using NCBI BLAST. Peter Cooper. January 2008. B asic L ocal A lignment S earch T ool. Widely used similarity search tool Heuristic approach based on Smith Waterman algorithm Finds best local alignments Provides statistical significance

624 views • 60 slides

NCBI resources II: web-based tools and ftp resources

NCBI resources II: web-based tools and ftp resources. Yanbin Yin Fall 2014. Most materials are downloaded from ftp://ftp.ncbi.nih.gov/pub/education/. Outline. Tools BLAST Specialized BLAST GEO ftp download Hands on exercise. References.

703 views • 47 slides

NCBI Molecular Biology Resources

NCBI Molecular Biology Resources. Using NCBI BLAST. Peter Cooper. March 2007. Sequence Similarity Searching. B asic L ocal A lignment S earch T ool. What BLAST tells you. BLAST reports surprising alignments Different than chance Assumptions Random sequences Constant composition

628 views • 43 slides

Sequence based searching

327 views • 32 slides

Blast

Blast. Review. Basic Local Alignment Search Tool Initially developed and used to search genomic sequence Ex) I have a short piece of mRNA/EST that I sequenced -- and I'd like to see where it is in a genome Especially useful before genome browsers

303 views • 30 slides

Sequence based searching

429 views • 28 slides