4QXU

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


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.293 
  • R-Value Work: 0.243 
  • R-Value Observed: 0.246 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

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.

(2015) Structure 23: 104-115

  • DOI: https://doi.org/10.1016/j.str.2014.10.012
  • Primary Citation of Related Structures:  
    4OUU, 4P3C, 4P3D, 4QXU

  • PubMed Abstract: 

    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.


  • Organizational Affiliation

    Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100, Israel.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
anti_MT1-MMP Light chainA [auth L]219Mus musculusMutation(s): 0 
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Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
anti_MT1-MMP Heavy chainB [auth H]231Mus musculusMutation(s): 0 
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  • Reference Sequence

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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Matrix metalloproteinase-14C [auth K]11Homo sapiensMutation(s): 0 
Gene Names: MMP14
EC: 3.4.24.80
UniProt & NIH Common Fund Data Resources
Find proteins for P50281 (Homo sapiens)
Explore P50281 
Go to UniProtKB:  P50281
PHAROS:  P50281
GTEx:  ENSG00000157227 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP50281
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.293 
  • R-Value Work: 0.243 
  • R-Value Observed: 0.246 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 79.56α = 90
b = 79.56β = 90
c = 93.6γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

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Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2014-12-17
    Type: Initial release
  • Version 1.1: 2014-12-31
    Changes: Database references
  • Version 1.2: 2015-01-28
    Changes: Database references
  • Version 1.3: 2023-09-20
    Changes: Data collection, Database references, Derived calculations, Refinement description