ISDA: 4QXU

Deposition Date 2014-07-22

Release Date 2014-12-17

Last Version Date 2024-10-16

Entry Detail

PDB ID:

4QXU

Keywords:

IMMUNE SYSTEM

Title:

Novel Inhibition Mechanism of Membrane Metalloprotease by an Exosite-Swiveling Conformational antibody

Biological Source:

Source Organism:

Mus musculus (Taxon ID: 10090)
Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.30 Å

R-Value Free:

0.29

R-Value Work:

0.24

R-Value Observed:

0.24

Space Group:

P 21 21 21

Download Validation Report

Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:anti_MT1-MMP Heavy chain
Chain IDs:B (auth: H)
Chain Length:231
Number of Molecules:1
Biological Source:Mus musculus

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Matrix metalloproteinase-14
Gene (Uniprot):MMP14
Chain IDs:C (auth: K)
Chain Length:11
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P50281 EC:3.4.24.80

Polymer Type:polypeptide(L)
Molecule:anti_MT1-MMP Light chain
Chain IDs:A (auth: L)
Chain Length:219
Number of Molecules:1
Biological Source:Mus musculus

Ligand Molecules

SO4

Primary Citation

Inhibition mechanism of membrane metalloprotease by an exosite-swiveling conformational antibody.

Udi, Y, Grossman, M, Solomonov, I, Dym, O, Rozenberg, H, Moreno, V, Cuniasse, P, Dive, V, Arroyo, A.G, Sagi, I.Show

Structure 23 104 115 (2015)

PMID: 25482542 DOI: 10.1016/j.str.2014.10.012

Abstact

Membrane type 1 metalloprotease (MT1-MMP) is a membrane-anchored, zinc-dependent protease. MT1-MMP is an important mediator of cell migration and invasion, and overexpression of this enzyme has been correlated with the malignancy of various tumor types. Therefore, modulators of MT1-MMP activity are proposed to possess therapeutic potential in numerous invasive diseases. Here we report the inhibition mode of MT1-MMP by LEM-2/15 antibody, which targets a surface epitope of MT1-MMP. Specifically, the crystal structures of Fab LEM-2/15 in complex with the MT1-MMP surface antigen suggest that conformational swiveling of the enzyme surface loop is required for effective binding and consequent inhibition of MT1-MMP activity on the cell membrane. This inhibition mechanism appears to be effective in controlling active MT1-MMP in endothelial cells and at the leading edge of migratory cancer cells.

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Protein

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Disease

Primary Citation of related structures

Abstact

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