Database Searching

18/01/99


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תוכן העניינים

Database Searching

Why search databases?

What databases are available?

What databases are available?

What is a homologous sequence?

DNA vs. Protein searches

DNA vs. Protein searches

DNA vs. Protein searches

DNA vs. Protein searches

Main algorithms for database searching

Specificity and sensitivity

The FastA software package

General view of how the fasta program works:

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Where to find the FastA programs?

Comparison programs in the FastA3 package

Comparison programs in the FastA3 package

Which program When?

Running FastA

Running FastA

Output of FastA

Fasta output

Fasta output

Fasta output

Output of FastA

Output of FastA

Output of FastA

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Output of FastA

Output of FastA

Output of FastA

Tips for FastA results

Statistical evaluation of results

BLAST - Basic Local Alignment Search Tool

BLAST - Basic Local Alignment Search Tool

BLAST Programs

Where to find the BLAST programs?

Blast method

Gapped BLAST

PSI - BLAST

Blast output

Blast output

The Smith-Waterman Tools

Where to find the SW programs?

Comparison of programs

Comparison of programs

Comparison of programs

Tips for DB searches

Tips for DB searches

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מחבר: Leon Esterman

דואר אלקטרוני: izik@math.tau.ac.il

דף בית: http://www.math.tau.ac.il/~izik

מידע נוסף:
Presentation created by Dr. Irit Orr from the bioinformatics unit of the Weizmann institute of Science