1P4O

Structure of Apo unactivated IGF-1R KInase domain at 1.5A resolution.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.209 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of apo, unactivated insulin-like growth factor-1 receptor kinase at 1.5 A resolution.

Munshi, S.Hall, D.L.Kornienko, M.Darke, P.L.Kuo, L.C.

(2003) Acta Crystallogr.,Sect.D 59: 1725-1730


  • PubMed Abstract: 
  • The crystal structure of the wild-type unactivated kinase domain (IGFRK-0P) of insulin-like growth factor-1 receptor has been reported previously at 2.7 A resolution [Munshi et al. (2002), J. Biol. Chem. 277, 38797-38802]. In order to obtain a high-r ...

    The crystal structure of the wild-type unactivated kinase domain (IGFRK-0P) of insulin-like growth factor-1 receptor has been reported previously at 2.7 A resolution [Munshi et al. (2002), J. Biol. Chem. 277, 38797-38802]. In order to obtain a high-resolution structure, a number of variants of IGFRK-0P were prepared and screened for crystallization. A double mutant with E1067A and E1069A substitutions within the kinase-insert region resulted in crystals that diffracted to 1.5 A resolution. Overall, the structure of the mutant IGFRK-0P is similar to that of the wild-type IGFRK-0P structure, with the exception of the previously disordered kinase-insert region in the wild type having become fixed. In addition, amino-acid residues 947-952 at the N-terminus are well defined in the mutant structure. The monomeric protein structure is folded into two lobes connected by a hinge region, with the catalytic center situated at the interface of the two lobes. Two molecules of IGFRK-0P in the asymmetric unit are associated as a dimer and two different types of dimers with their ATP-binding clefts either facing towards or away from each other are observed. The current refined model consists of a dimer and 635 water molecules.


    Organizational Affiliation

    Department of Structural Biology, Merck Research Laboratories, West Point, PA 19486, USA. sanjeev_munshi@merck.com




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Insulin-like growth factor I receptor protein
A, B
322Homo sapiensGene Names: IGF1R
EC: 2.7.10.1
Find proteins for P08069 (Homo sapiens)
Go to Gene View: IGF1R
Go to UniProtKB:  P08069
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.209 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 52.950α = 90.00
b = 85.560β = 99.10
c = 78.880γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-04-29
    Type: Initial release
  • Version 1.1: 2008-04-29
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance