Soluble bovine galactose-binding lectin. cDNA cloning reveals the complete amino acid sequence and an antigenic relationship with the major encephalitogenic domain of myelin basic protein

W. M. Abbott, A. Mellor, Y. Edwards, T. Feizi

Research output: Contribution to journalArticle

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Abstract

A full-length cDNA clone for the 13-14 kDa soluble β-galactoside-binding lectin was isolated from a bovine fibroblast cDNA library. The derived amino acid sequence shows eight differences from a preliminary partial amino acid sequence given previously for the bovine heart lectin. This observation led to a re-examination of the data and correction of the heart lectin protein sequence. Except for a possible polymorphism of the heart lectin at position 67, the fibroblast and heart lectin sequences are considered identical. The epitope recognized by two monoclonal anti-(bovine lectin) antibodies, 36/8 and 9/5, was identified as the tetrapeptide sequence W-G-A/S-E/D by the isolation of several different cDNA clones from a human intestine cDNA library. A similar tetrapeptide is present in all of the soluble β-galactoside-binding animal lectins sequenced thus far. It is also found in myelin basic protein, which we show is antigenically cross-reactive with the lectin. In myelin basic protein the tetrapeptide is a part of the major domain previously shown to be responsible for the induction of experimental allergic encephalomyelitis.

Original languageEnglish (US)
Pages (from-to)283-290
Number of pages8
JournalBiochemical Journal
Volume259
Issue number1
DOIs
StatePublished - Jan 1 1989

Fingerprint

Galectins
Myelin Basic Protein
Cloning
Lectins
Organism Cloning
Amino Acid Sequence
Complementary DNA
Amino Acids
Galactosides
Fibroblasts
Gene Library
Clone Cells
Autoimmune Experimental Encephalomyelitis
Polymorphism
Intestines
Epitopes
Antibodies

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Soluble bovine galactose-binding lectin. cDNA cloning reveals the complete amino acid sequence and an antigenic relationship with the major encephalitogenic domain of myelin basic protein. / Abbott, W. M.; Mellor, A.; Edwards, Y.; Feizi, T.

In: Biochemical Journal, Vol. 259, No. 1, 01.01.1989, p. 283-290.

Research output: Contribution to journalArticle

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