Analysis of matrix metalloproteinase triple-helical peptidase activity with substrates incorporating fluorogenic L- or D-amino acids

Janelle L. Lauer-Fields, Péter Kele, Guodong Sui, Hideaki Nagase, Roger Leblanc, Gregg B. Fields

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The consequences of improper regulation of collagen turnover include diseases such as tumor cell metastasis and arthritis. Several fluorogenic triple-helical peptide (fTHP) substrates have been constructed presently to examine collagenolytic behavior. These substrates incorporate L- or D-2-amino-3-(7-methoxy-4-coumaryl)propionic acid (Amp) or L- or D-2-amino-3-(6,7-dimethoxy-4-coumaryl)propionic acid (Adp) as the fluorophore and N-2,4-dinitrophenyl (Dnp) as the quencher. The desired sequences were C 6-(Gly-Pro-Hyp)5-Gly-Pro-[Amp/Adp]-Gly-Pro-Gln-Gly∼ Leu-Arg-Gly-Gln-Lys(Dnp)-Gly-Val-Arg-(Gly-Pro-Hyp)5-NH2. All four fTHPs formed stable triple-helices. Matrix metalloproteinase-2 (MMP-2) rates of hydrolysis for all fTHPs were considerably more rapid than corresponding MMP-1 rates. Evaluation of individual kinetic parameters indicated that MMP-2 bound to the fTHPs more efficiently than MMP-1. Comparison to a triple-helical substrate incorporating the same sequence but with a different fluorophore [Lys((7-methoxycoumarin-4-yl)acetyl); Lys(Mca)] demonstrated that the shorter side chain of Amp or Adp was better tolerated by MMP-1 and MMP-2. Adp may well be the fluorophore of choice for fTHPs, as (a) fTHPs incorporating Adp were obtained in significantly higher yields than the Amp-containing fTHPs, (b) Adp has a larger Stokes shift than either Amp or Lys(Mca) and thus has less chance of self-quenching, (c) Adp has a relatively high quantum yield, (d) the Adp/Dnp pair is compatible with multiwell plate reader formats, and (e) MMPs better tolerate Adp than Lys(Mca).

Original languageEnglish
Pages (from-to)105-115
Number of pages11
JournalAnalytical Biochemistry
Volume321
Issue number1
DOIs
StatePublished - Oct 1 2003

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glycyl-prolyl-hydroxyproline
Fluorophores
Matrix Metalloproteinase 2
Matrix Metalloproteinases
Fluorescent Dyes
Peptide Hydrolases
Amino Acids
glycylproline
Substrates
Matrix Metalloproteinase 1
Quantum yield
Kinetic parameters
Arthritis
Tumors
Quenching
Hydrolysis
Collagen
Cells
Neoplasm Metastasis
Peptides

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Analysis of matrix metalloproteinase triple-helical peptidase activity with substrates incorporating fluorogenic L- or D-amino acids. / Lauer-Fields, Janelle L.; Kele, Péter; Sui, Guodong; Nagase, Hideaki; Leblanc, Roger; Fields, Gregg B.

In: Analytical Biochemistry, Vol. 321, No. 1, 01.10.2003, p. 105-115.

Research output: Contribution to journalArticle

Lauer-Fields, Janelle L. ; Kele, Péter ; Sui, Guodong ; Nagase, Hideaki ; Leblanc, Roger ; Fields, Gregg B. / Analysis of matrix metalloproteinase triple-helical peptidase activity with substrates incorporating fluorogenic L- or D-amino acids. In: Analytical Biochemistry. 2003 ; Vol. 321, No. 1. pp. 105-115.
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AU - Nagase, Hideaki

AU - Leblanc, Roger

AU - Fields, Gregg B.

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