3DWB

structure of human ECE-1 complexed with phosphoramidon


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.38 Å
  • R-Value Free: 0.345 
  • R-Value Work: 0.262 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of human endothelin-converting enzyme I complexed with phosphoramidon

Schulz, H.Dale, G.E.Karimi-Nejad, Y.Oefner, C.

(2009) J.Mol.Biol. 385: 178-187

  • DOI: 10.1016/j.jmb.2008.10.052

  • PubMed Abstract: 
  • Endothelin-converting enzyme I (ECE-1) is a mammalian type II integral membrane zinc-containing endopeptidase. ECE-1 catalyzes the final step in the biosynthesis of endothelins in a rate-limiting fashion, through post-translational conversion of the ...

    Endothelin-converting enzyme I (ECE-1) is a mammalian type II integral membrane zinc-containing endopeptidase. ECE-1 catalyzes the final step in the biosynthesis of endothelins in a rate-limiting fashion, through post-translational conversion of the biologically inactive big endothelins. Endothelin-1 overproduction has been implicated in a heterogeneous list of diseases including systemic and pulmonary hypertension, stroke and asthma, cardiac and renal failure. Therefore, ECE-1 is a prime therapeutic target for the regulation of endothelin-1 production in vivo and there is considerable interest in selective inhibitors of this enzyme. Here, we present the crystal structure of the extracellular domain (residues 90-770) of human ECE-1 (C428S) with the generic metalloprotease inhibitor phosphoramidon determined at 2.38 A resolution. The structure is closely related to that of human NEP, providing essential information for a detailed understanding of ligand-binding, specificity determinants as well as selectivity criteria. Selective inhibitors of ECE-1s should have beneficial effects for the treatment of diseases in which an overproduction of ETs plays a pathogenic role.


    Organizational Affiliation

    Morphochem AG, Basel Switzerland.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Endothelin-converting enzyme 1
A
670Homo sapiensMutation(s): 1 
Gene Names: ECE1
EC: 3.4.24.71
Find proteins for P42892 (Homo sapiens)
Go to Gene View: ECE1
Go to UniProtKB:  P42892
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
A
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
5HD
Query on 5HD

Download SDF File 
Download CCD File 
A
5-(2-hydroxyethyl)nonane-1,9-diol
C11 H24 O3
VICIXNZSEUYGFV-UHFFFAOYSA-N
 Ligand Interaction
RDF
Query on RDF

Download SDF File 
Download CCD File 
A
N-ALPHA-L-RHAMNOPYRANOSYLOXY(HYDROXYPHOSPHINYL)-L-LEUCYL-L-TRYPTOPHAN
PHOSPHORAMIDON
C23 H34 N3 O10 P
ZPHBZEQOLSRPAK-XLCYBJAPSA-N
 Ligand Interaction
Biologically Interesting Molecules 1 Unique
IDChainsNameType/Class2D Diagram3D Interactions
PRD_000638 (RDF)
Query on PRD_000638
APHOSPHORAMIDONGlycopeptide / Enzyme inhibitor

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External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
RDFIC50: 0.8 - 4000 nM (99) BINDINGDB
RDFIC50: 650 nM BINDINGMOAD
RDFIC50: 650 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.38 Å
  • R-Value Free: 0.345 
  • R-Value Work: 0.262 
  • Space Group: P 61 2 2
Unit Cell:
Length (Å)Angle (°)
a = 120.880α = 90.00
b = 120.880β = 90.00
c = 192.346γ = 120.00
Software Package:
Software NamePurpose
HKL-2000data collection
REFMACrefinement
DENZOdata reduction
SHARPphasing
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2008-07-22 
  • Released Date: 2008-11-25 
  • Deposition Author(s): Oefner, C.

Revision History 

  • Version 1.0: 2008-11-25
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Advisory, Version format compliance
  • Version 1.2: 2012-12-12
    Type: Other