Biological Assembly 1  

 3D View: Structure | Ligand Interaction

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Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 68685.79 
• Atom Count: 4696 
• Residue Count: 589 
• Unique protein chains: 1

1O86

Crystal Structure of Human Angiotensin Converting Enzyme in complex with lisinopril.

• DOI: 10.2210/pdb1O86/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus


• Deposited: 2002-11-25 Released: 2003-02-07 
• Deposition Author(s): Natesh, R., Schwager, S.L.U., Sturrock, E.D., Acharya, K.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2 Å
• R-Value Free: 0.220 
• R-Value Work: 0.180 

Literature

Crystal Structure of the Human Angiotensin-Converting Enzyme-Lisinopril Complex

Natesh, R., Schwager, S.L.U., Sturrock, E.D., Acharya, K.R.

(2003) Nature 421: 551

• PubMed: 12540854 
• DOI: 10.1038/nature01370
• Primary Citation of Related Structures:  
  1O8A


• PubMed Abstract: 
  

Angiotensin-converting enzyme (ACE) has a critical role in cardiovascular function by cleaving the carboxy terminal His-Leu dipeptide from angiotensin I to produce a potent vasopressor octapeptide, angiotensin II. Inhibitors of ACE are a first line of therapy for hypertension, heart failure, myocardial infarction and diabetic nephropathy. Notably, these inhibitors were developed without knowledge of the structure of human ACE, but were instead designed on the basis of an assumed mechanistic homology with carboxypeptidase A. Here we present the X-ray structure of human testicular ACE and its complex with one of the most widely used inhibitors, lisinopril (N2-[(S)-1-carboxy-3-phenylpropyl]-L-lysyl-L-proline; also known as Prinivil or Zestril), at 2.0 A resolution. Analysis of the three-dimensional structure of ACE shows that it bears little similarity to that of carboxypeptidase A, but instead resembles neurolysin and Pyrococcus furiosus carboxypeptidase--zinc metallopeptidases with no detectable sequence similarity to ACE. The structure provides an opportunity to design domain-selective ACE inhibitors that may exhibit new pharmacological profiles.

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Organizational Affiliation: 

Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
ANGIOTENSIN CONVERTING ENZYME	A	589	Homo sapiens	Mutation(s): 0  Gene Names: ACE (DCP, DCP1) EC: 3.2.1.-, 3.4.15.1
Find proteins for P12821 (Homo sapiens) Go to Gene View: ACE Go to UniProtKB:  P12821

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
ZN	A	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
GLY	A	GLYCINE C2 H5 N O2 DHMQDGOQFOQNFH-UHFFFAOYSA-N
CL	A	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
LPR	A	[N2-[(S)-1-CARBOXY-3-PHENYLPROPYL]-L-LYSYL-L-PROLINE LISINOPRIL C21 H31 N3 O5 RLAWWYSOJDYHDC-BZSNNMDCSA-N

Biologically Interesting Molecules 1 Unique
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000560 (LPR)	A	Lisinopril	Oligopeptide / Enzyme inhibitor		--

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
LPR	IC50: 0.1 - 4.7 nM (100) BINDINGDB
LPR	Ki: 0.27 nM PDBBIND

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2 Å
• R-Value Free: 0.220 
• R-Value Work: 0.180 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 56.470	α = 90.00
b = 84.900	β = 90.00
c = 133.990	γ = 90.00

Software Package:

Software Name	Purpose
HKL-2000	data reduction
CNS	refinement
CCP4	phasing
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2002-11-25 
• Released Date: 2003-02-07 
• Deposition Author(s): Natesh, R., Schwager, S.L.U., Sturrock, E.D., Acharya, K.R.

Revision History 

• Version 1.0: 2003-02-07
  Type: Initial release
• Version 1.1: 2011-07-13
  Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
• Version 1.2: 2013-03-06
  Type: Other