1Z3N

Human aldose reductase in complex with NADP+ and the inhibitor lidorestat at 1.04 angstrom


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.04 Å
  • R-Value Free: 0.125 
  • R-Value Work: 0.091 
  • R-Value Observed: 0.098 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Discovery of 3-[(4,5,7-trifluorobenzothiazol-2-yl)methyl]indole-N-acetic acid (lidorestat) and congeners as highly potent and selective inhibitors of aldose reductase for treatment of chronic diabetic complications

Van Zandt, M.C.Jones, M.L.Gunn, D.E.Geraci, L.S.Jones, J.H.Sawicki, D.R.Sredy, J.Jacot, J.L.Dicioccio, A.T.Petrova, T.Mitschler, A.Podjarny, A.D.

(2005) J Med Chem 48: 3141-3152

  • DOI: 10.1021/jm0492094
  • Primary Citation of Related Structures:  
    1Z3N

  • PubMed Abstract: 
  • Recent efforts to identify treatments for chronic diabetic complications have resulted in the discovery of a novel series of highly potent and selective 3-[(benzothiazol-2-yl)methyl]indole-N-alkanoic acid aldose reductase inhibitors. The lead candida ...

    Recent efforts to identify treatments for chronic diabetic complications have resulted in the discovery of a novel series of highly potent and selective 3-[(benzothiazol-2-yl)methyl]indole-N-alkanoic acid aldose reductase inhibitors. The lead candidate, 3-[(4,5,7-trifluorobenzothiazol-2-yl)methyl]indole-N-acetic acid (lidorestat, 9) inhibits aldose reductase with an IC(50) of 5 nM, while being 5400 times less active against aldehyde reductase, a related enzyme involved in the detoxification of reactive aldehydes. It lowers nerve and lens sorbitol levels with ED(50)'s of 1.9 and 4.5 mg/kg/d po, respectively, in the 5-day STZ-induced diabetic rat model. In a 3-month diabetic intervention model (1 month of diabetes followed by 2 months of drug treatment at 5 mg/kg/d po), it normalizes polyols and reduces the motor nerve conduction velocity deficit by 59% relative to diabetic controls. It has a favorable pharmacokinetic profile (F, 82%; t(1/2), 5.6 h; Vd, 0.694 L/kg) with good drug penetration in target tissues (C(max) in sciatic nerve and eye are 2.36 and 1.45 mug equiv/g, respectively, when dosed with [(14)C]lidorestat at 10 mg/kg po).


    Organizational Affiliation

    The Institute for Diabetes Discovery, LLC, 23 Business Park Drive, Branford, Connecticut 06405, USA. michael.vanzandt@ ipd-discovery.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
aldose reductaseA319Homo sapiensMutation(s): 0 
Gene Names: AKR1B1ALDR1ALR2
EC: 1.1.1.21 (PDB Primary Data), 1.1.1.300 (UniProt), 1.1.1.372 (UniProt), 1.1.1.54 (UniProt)
Find proteins for P15121 (Homo sapiens)
Explore P15121 
Go to UniProtKB:  P15121
NIH Common Fund Data Resources
PHAROS  P15121
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NDP
Query on NDP

Download CCD File 
A
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
C21 H30 N7 O17 P3
ACFIXJIJDZMPPO-NNYOXOHSSA-N
 Ligand Interaction
3NA
Query on 3NA

Download CCD File 
A
{3-[(4,5,7-TRIFLUORO-1,3-BENZOTHIAZOL-2-YL)METHYL]-1H-INDOL-1-YL}ACETIC ACID
C18 H11 F3 N2 O2 S
KYHVTMFADJNSGS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
3NAIC50:  27000   nM  BindingDB
3NAIC50:  5   nM  BindingDB
3NAIC50:  5   nM  BindingDB
3NAIC50:  5   nM  Binding MOAD
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.04 Å
  • R-Value Free: 0.125 
  • R-Value Work: 0.091 
  • R-Value Observed: 0.098 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 50.14α = 90
b = 67.34β = 92.5
c = 47.88γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
SHELXmodel building
SHELXL-97refinement
X-PLORphasing
Omodel building

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-03-14
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance