Non-muscle myosin II heavy chain has a cryptic cell-adhesion domain

F. Grinnell, C. H. Ho

Research output: Contribution to journalArticle

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Abstract

We have discovered a cryptic cell-adhesion domain in non-muscle myosin II heavy chain. A 205 kDa cell-adhesion-promoting polypeptide (p205) was extracted from BHK cells by Nonidet P-40 or Dounce homogenization. Adhesion to p205 was specifically inhibited by the peptide Gly-Arg-Gly-Asp-Ser-Pro, indicating a role for the Arg-Gly-Asp cell-adhesion motif. Purified p205 was identified as non-muscle myosin II heavy chain, based on sequence analysis and on the cross-reactivity of p205 with anti-(bovine trachea myosin) antibodies. Further experiments showed that the heavy chain of purified myosin II has cell-adhesion-promoting activity in a cell-blotting assay, and cross-reacted with anti-p205 antibodies. Finally, the adhesion domain was located in the tail portion of myosin II heavy chain, where an Arg-Gly-Asp-containing sequence can be found.

Original languageEnglish (US)
Pages (from-to)569-574
Number of pages6
JournalBiochemical Journal
Volume309
Issue number2
StatePublished - 1995

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Myosin Type II
Myosin Heavy Chains
Cell adhesion
Cell Adhesion
glycyl-arginyl-glycyl-aspartyl-seryl-proline
Adhesion
Peptides
Antibodies
Myosins
Trachea
Sequence Analysis
Anti-Idiotypic Antibodies
Assays
Experiments

ASJC Scopus subject areas

  • Biochemistry

Cite this

Non-muscle myosin II heavy chain has a cryptic cell-adhesion domain. / Grinnell, F.; Ho, C. H.

In: Biochemical Journal, Vol. 309, No. 2, 1995, p. 569-574.

Research output: Contribution to journalArticle

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