Primary structure of squid sodium channel deduced from the complementary DNA sequence

Biochem Biophys Res Commun. 1992 Jul 15;186(1):61-8. doi: 10.1016/s0006-291x(05)80775-2.


The complete amino acid sequence of a sodium channel from squid Loligo bleekeri has been deduced by cloning and sequence analysis of the complementary DNA. The deduced sequence revealed an organization virtually identical to the vertebrate sodium channel proteins; four homologous domains containing all six membrane-spanning structures are repeated in tandem with connecting linkers of various sizes. A unique feature of the squid Na channel is the 1,522 residue sequence, approximately three fourths of those of the rat sodium channels I, II and III.

Publication types

  • Comparative Study

MeSH terms

  • Amino Acid Sequence
  • Animals
  • Base Sequence
  • Cloning, Molecular
  • DNA / genetics*
  • Decapodiformes / genetics*
  • Molecular Sequence Data
  • Nervous System Physiological Phenomena*
  • Oligodeoxyribonucleotides
  • Oligonucleotides, Antisense
  • Polymerase Chain Reaction / methods
  • Protein Conformation
  • Restriction Mapping
  • Sequence Homology, Nucleic Acid
  • Sodium Channels / chemistry
  • Sodium Channels / genetics*


  • Oligodeoxyribonucleotides
  • Oligonucleotides, Antisense
  • Sodium Channels
  • DNA

Associated data

  • GENBANK/D10916
  • GENBANK/D10917
  • GENBANK/D10918
  • GENBANK/D10919
  • GENBANK/D10920
  • GENBANK/D14525
  • GENBANK/M94070
  • GENBANK/M95526
  • GENBANK/S39221
  • GENBANK/X63427