Scanning protein sequence databanks using a distributed processing workstation network

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8 Citations (Scopus)


The programme pscan has been developed to distribute protein databank scans over a network of computers that share a common file system. pscan may be used in conjunction with most conventional sequence comparison programmes with few modifications. In test runs using the Smith-Waterman dynamic programming algorithm, the time required to scan a 6858 sequence databank using a query sequence 740 residues long was reduced from approximately 50 min for a single processor, to approximately 11 minutes for five processors. Accordingly, pscan provides a low-cost, portable alternative to dedicated parallel processing computers.

Original languageEnglish
Pages (from-to)85-8
Number of pages4
JournalComputer Applications in the Biosciences
Issue number1
Publication statusPublished - Jan 1991


  • Algorithms
  • Amino Acid Sequence
  • Computer Communication Networks
  • Genomic Library
  • Programming Languages
  • Proteins
  • Software


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