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Related Experiment Videos

VKCDB: voltage-gated potassium channel database.

Bin Li1, Warren J Gallin

  • 1Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada. bli@ualberta.ca

BMC Bioinformatics
|January 13, 2004
PubMed
Summary
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The Voltage-gated potassium [K] Channel DataBase (VKCDB) consolidates structural and functional data for voltage-gated potassium channels. This resource aids research into the molecular basis of these critical ion channels.

Area of Science:

  • Molecular Biology
  • Biophysics
  • Genomics

Background:

  • Voltage-gated potassium channels are crucial membrane proteins regulating membrane potential and physiological processes.
  • The Voltage-gated potassium [K] Channel DataBase (VKCDB) is introduced as a centralized repository for channel data.
  • Understanding these channels is vital for numerous biological functions.

Purpose of the Study:

  • To establish a comprehensive database (VKCDB) for voltage-gated potassium channel structural and functional information.
  • To provide a resource for researchers investigating the molecular mechanisms of potassium channel function.
  • To facilitate comparative studies of diverse potassium channel families.

Main Methods:

  • Identified voltage-gated potassium channel sequences using BLASTP against GENBANK and SWISSPROT.

Related Experiment Videos

  • Integrated channel annotations, electrophysiological, and pharmacological data from published literature.
  • Included transmembrane domain predictions and multiple sequence alignments for key channel families.

    • Main Results:

    • VKCDB currently contains 346 channel entries.
    • The database is searchable and browsable by functional categories.
    • A local BLAST engine allows for protein sequence searches.

    Conclusions:

    • VKCDB serves as a valuable resource for comparative analysis of voltage-gated potassium channels.
    • The database construction methodology is adaptable for other protein families.
    • VKCDB is publicly accessible online.