4Q21

MOLECULAR SWITCH FOR SIGNAL TRANSDUCTION: STRUCTURAL DIFFERENCES BETWEEN ACTIVE AND INACTIVE FORMS OF PROTOONCOGENIC RAS PROTEINS


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Work: 0.195

Literature

Macromolecules
Sequence Display for 4Q21

Classification: ONCOGENE PROTEIN

Total Structure Weight: 21791.65

Macromolecule Entities
Molecule Chains Length Organism Details
C-H-RAS P21 PROTEIN CATALYTIC DOMAIN A 189 Homo sapiens Gene Name(s): HRAS Gene View HRAS1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GDP
Query on GDP

A GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed:
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 96.30 α = 90.00
b = 96.30 β = 90.00
c = 41.37 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-09-25
  • Released Date: 1992-07-15
  • Deposition author(s): Kim, S.-H.

Revision History

  • Version 1_0: 1992-07-15

    Type: Initial release

  • Version 1_1: 2008-03-25

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance