1990
DOI: 10.1073/pnas.87.15.5888
|View full text |Cite
|
Sign up to set email alerts
|

Generation of collagenase-resistant collagen by site-directed mutagenesis of murine pro alpha 1(I) collagen gene.

Abstract: Collagenase (matrix metalloproteinase 1) cleaves type I, II, and III collagen helices at a specific site between Gly-Ile or Gly-Leu bonds (residues 775 and 776, Pj-P1'). To understand the mechanism of collagen processing, mutations around the cleavage site have been introduced into the cloned murine proal(I) collagen (Collal) The collagenases cleave native type I, II, and III collagens by hydrolyzing the peptide bond between residues Gly-Ile (or Leu) located at residues 775 and 776 of the helical portion of … Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1
1
1

Citation Types

2
117
1
1

Year Published

1995
1995
2018
2018

Publication Types

Select...
7
1

Relationship

0
8

Authors

Journals

citations
Cited by 120 publications
(121 citation statements)
references
References 34 publications
2
117
1
1
Order By: Relevance
“…However, for specific cleavage at residue 775, the collagens must be present in a triple-helical structure (15). To ensure definite cleavage products, we did not digest the smaller collagen fragments with mammalian collage- Figure 3).…”
Section: Resultsmentioning
confidence: 99%
“…However, for specific cleavage at residue 775, the collagens must be present in a triple-helical structure (15). To ensure definite cleavage products, we did not digest the smaller collagen fragments with mammalian collage- Figure 3).…”
Section: Resultsmentioning
confidence: 99%
“…The investigation on the action of MMPs on collagen has been carried out for a long time, and preliminary measurements have been carried out on the activation energy of the catalysis employing porcine collagenases and gelatinases (16). In addition, previous experiments have been reported on the cleavage of native and site-directed mutants of murine collagen by MMP-1, outlining crucial aspects of the recognition mechanism (17). Very recently, proteolysis of single collagen I molecules has been followed by atomic force microscopy (18), confirming that the process follows a simple Michaelis-Menten mechanism and outlining that the results on bulk solution are compatible with those observed on single collagen molecules.…”
Section: Matrix Metalloproteinases (Mmp)mentioning
confidence: 99%
“…4), which is closely similar to the natural substrate of MMP-8. It envisages a very complex interplay among different portions of the enzyme molecule in the substrate recognition and/or processing, as also suggested by the processing of collagen by MMP-1 (17). Therefore, such a investigation indeed may represent a first basis for the comprehension of molecules, which efficiently interfere at different levels with the cleavage of physiological substrates by MMP-8 as well as by other collagenases.…”
mentioning
confidence: 99%
“…This latter observation may indicate a possible relationship between KSPG occupancy on the fibril and collagen modification seen in diabetes and aging. The other main region of KSPG binding, to the "a bands" of the fibril, overlaps with the major N-terminal intermolecular cross-link site (48), the heparin/HSPG-binding site (38), a sequence mediating ␣ 2 ␤ 1 integrin binding to denatured collagen (27,28), the sites for vertebrate collagenase cleavage (49), and fibronectin binding (31)(32)(33). Of potential significance to fibril assembly is the fact that this KSPG-binding region (45) also overlaps with all of the domains shown to be important for collagen fibrillogenesis (Fig.…”
Section: Distribution Of Ligand-binding Sites and Functional Domains mentioning
confidence: 99%