1CTQ

STRUCTURE OF P21RAS IN COMPLEX WITH GPPNHP AT 100 K


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.26 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.172 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

The pre-hydrolysis state of p21(ras) in complex with GTP: new insights into the role of water molecules in the GTP hydrolysis reaction of ras-like proteins.

Scheidig, A.J.Burmester, C.Goody, R.S.

(1999) Structure Fold.Des. 7: 1311-1324

  • Primary Citation of Related Structures:  
  • Also Cited By: 3TGP

  • PubMed Abstract: 
  • In numerous biological events the hydrolysis of guanine triphosphate (GTP) is a trigger to switch from the active to the inactive protein form. In spite of the availability of several high-resolution crystal structures, the details of the mechanism o ...

    In numerous biological events the hydrolysis of guanine triphosphate (GTP) is a trigger to switch from the active to the inactive protein form. In spite of the availability of several high-resolution crystal structures, the details of the mechanism of nucleotide hydrolysis by GTPases are still unclear. This is partly because the structures of the proteins in their active states had to be determined in the presence of non-hydrolyzable GTP analogues (e.g. GppNHp). Knowledge of the structure of the true Michaelis complex might provide additional insights into the intrinsic protein hydrolysis mechanism of GTP and related nucleotides.


    Organizational Affiliation

    Abteilung für Physikalische Biochemie, Max-Planck Institute for Molecular Physiology, Dortmund, 44227, Germany. scheidig@mpi-dortmund.mpg.de




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (TRANSFORMING PROTEIN P21/H-RAS-1)
A
166Homo sapiensMutation(s): 0 
Gene Names: HRAS (HRAS1)
Find proteins for P01112 (Homo sapiens)
Go to Gene View: HRAS
Go to UniProtKB:  P01112
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MG
Query on MG

Download SDF File 
Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
GNP
Query on GNP

Download SDF File 
Download CCD File 
A
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER
C10 H17 N6 O13 P3
UQABYHGXWYXDTK-UUOKFMHZSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.26 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.172 
  • Space Group: P 32 2 1
Unit Cell:
Length (Å)Angle (°)
a = 39.670α = 90.00
b = 39.670β = 90.00
c = 158.409γ = 120.00
Software Package:
Software NamePurpose
X-PLORmodel building
SHELXL-97refinement
X-PLORphasing
XDSdata scaling
FRAMBOdata collection
XSCALEdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-11-15
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2017-10-04
    Type: Advisory, Refinement description
  • Version 1.4: 2018-01-31
    Type: Experimental preparation