Transglutaminases: Multifunctional cross-linking enzymes that stabilize tissues

Charles S. Greenberg, Paul J. Birckbichler, Robert H. Rice

Research output: Contribution to journalArticle

876 Citations (Scopus)

Abstract

Transglutaminases catalyze the posttranslational modification of proteins by transamidation of available glutamine residues. This action results primarily in the formation of ε-(γ-glutamyl)lysine cross-links but includes the incorporation of polyamines into suitable protein substrates as well. The covalent isopeptide cross-link is stable and resistant to proteolysis, thereby increasing the resistance of tissue to chemical, enzymatic, and mechanical disruption. The plasma transglutaminase, factor XIIIa, is formed at sites of blood coagulation and impedes blood loss by stabilizing the fibrin clot. The squamous epithelium constituting the protective callus layer of skin is formed by the action of keratinocyte transglutaminase (TGK) and epidermal transglutaminase (TGE). The tissue transglutaminase (TGC) is a cytoplasmic enzyme present in many cells including those in the blood vessel wall. TGC function is unknown, although it could function to stabilize intra- and extra-cellular molecules in a wide variety of physiologic or pathologic processes. The amino acid sequences of factor XIII, TGC, and TGK establish them as a homologous gene family and also reveal a striking homology to the erythrocyte membrane protein, band 4.2. This review summarizes the current information on structures, functions, and evolution of the most prominent members of this gene family.

Original languageEnglish (US)
Pages (from-to)3071-3077
Number of pages7
JournalFASEB Journal
Volume5
Issue number15
StatePublished - 1991

Fingerprint

Transglutaminases
protein-glutamine gamma-glutamyltransferase
crosslinking
Factor XIIIa
Tissue
Blood
Enzymes
enzymes
Genes
Proteolysis
Factor XIII
Blood vessels
Bony Callus
Polyamines
Blood Coagulation
Pathologic Processes
Post Translational Protein Processing
Coagulation
Fibrin
Glutamine

Keywords

  • Cross-linking
  • Fibrin
  • Keratinocytes
  • Plasma factor XIII
  • Primary amine acceptors
  • Transglutaminase

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Cell Biology

Cite this

Greenberg, C. S., Birckbichler, P. J., & Rice, R. H. (1991). Transglutaminases: Multifunctional cross-linking enzymes that stabilize tissues. FASEB Journal, 5(15), 3071-3077.

Transglutaminases : Multifunctional cross-linking enzymes that stabilize tissues. / Greenberg, Charles S.; Birckbichler, Paul J.; Rice, Robert H.

In: FASEB Journal, Vol. 5, No. 15, 1991, p. 3071-3077.

Research output: Contribution to journalArticle

Greenberg, CS, Birckbichler, PJ & Rice, RH 1991, 'Transglutaminases: Multifunctional cross-linking enzymes that stabilize tissues', FASEB Journal, vol. 5, no. 15, pp. 3071-3077.
Greenberg CS, Birckbichler PJ, Rice RH. Transglutaminases: Multifunctional cross-linking enzymes that stabilize tissues. FASEB Journal. 1991;5(15):3071-3077.
Greenberg, Charles S. ; Birckbichler, Paul J. ; Rice, Robert H. / Transglutaminases : Multifunctional cross-linking enzymes that stabilize tissues. In: FASEB Journal. 1991 ; Vol. 5, No. 15. pp. 3071-3077.
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