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PSI-BLAST

Overview page. Subjects: Chemistry.

abbr. for position‐specific iterated‐BLAST; see database‐search program.

See overview in Oxford Index

PSI-BLAST

Overview page. Subjects: Chemistry.

abbr. for position‐specific iterated‐BLAST; see database‐search program.

See overview in Oxford Index

PSI‐BLAST

Edited by Richard Cammack, Teresa Atwood, Peter Campbell, Howard Parish, Anthony Smith, Frank Vella and John Stirling.

in Oxford Dictionary of Biochemistry and Molecular Biology

January 2006; p ublished online January 2008 .

Reference Entry. Subjects: Biochemistry. 8 words.

abbr. for position‐specific iterated‐BLAST; see database‐search program.

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PSI-BLAST

Elizabeth Martin.

in The New Oxford Dictionary for Scientific Writers and Editors

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Language Reference. 7 words.

(hyphenated) Abbrev. for position-specific iterative *BLAST.

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BeoBLAST: distributed BLAST and PSI-BLAST on a Beowulf cluster

J. D. Grant, R. L. Dunbrack, F. J. Manion and M. F. Ochs.

in Bioinformatics

May 2002; p ublished online May 2002 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 0 words.

Summary: BeoBLAST is an integrated software package that handles user requests and distributes BLAST and PSI-BLAST searches to nodes of a Beowulf cluster, thus providing a simple way to...

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Powerful fusion: PSI-BLAST and consensus sequences

Dariusz Przybylski and Burkhard Rost.

in Bioinformatics

September 2008; p ublished online August 2008 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 4354 words.

Motivation: A typical PSI-BLAST search consists of iterative scanning and alignment of a large sequence database during which a scoring profile is progressively built and...

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A performance enhanced PSI-BLAST based on hybrid alignment

Yuheng Li, Nicholas Chia, Mario Lauria and Ralf Bundschuh.

in Bioinformatics

January 2011; p ublished online November 2010 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 5958 words.

Motivation: Sequence alignment is one of the most popular tools of modern biology. NCBI's PSI-BLAST utilizes iterative model building in order to better detect distant homologs...

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PSI-BLAST pseudocounts and the minimum description length principle

Stephen F. Altschul, E. Michael Gertz, Richa Agarwala, Alejandro A. Schäffer and Yi-Kuo Yu.

in Nucleic Acids Research

February 2009; p ublished online December 2008 .

Journal Article. Subjects: Chemistry; Biochemistry; Bioinformatics and Computational Biology; Genetics and Genomics; Molecular and Cell Biology. 7595 words.

Position specific score matrices (PSSMs) are derived from multiple sequence alignments to aid in the recognition of distant protein sequence relationships. The PSI-BLAST protein database...

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Gapped BLAST and PSI-BLAST: a new generation of protein database search programs

Stephen F. Altschul, Thomas L. Madden, Alejandro A. Schäffer, Jinghui Zhang, Zheng Zhang, Webb Miller and David J. Lipman.

in Nucleic Acids Research

September 1997; p ublished online September 1997 .

Journal Article. Subjects: Chemistry; Biochemistry; Bioinformatics and Computational Biology; Genetics and Genomics; Molecular and Cell Biology. 10082 words.

The BLAST programs are widely used tools for searching protein and DNA databases for sequence similarities. For protein comparisons, a variety of definitional, algorithmic and statistical...

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HangOut: generating clean PSI-BLAST profiles for domains with long insertions

Bong-Hyun Kim, Qian Cong and Nick V. Grishin.

in Bioinformatics

June 2010; p ublished online April 2010 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 1481 words.

Summary: Profile-based similarity search is an essential step in structure-function studies of proteins. However, inclusion of non-homologous sequence segments into a profile...

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PSIBLAST_PairwiseStatSig: reordering PSI-BLAST hits using pairwise statistical significance

Ankit Agrawal and Xiaoqiu Huang.

in Bioinformatics

April 2009; p ublished online February 2009 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 1196 words.

Summary: We present an add-on to BLAST and PSI-BLAST programs to reorder their hits using pairwise statistical significance. Using position-specific substitution matrices to...

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