3QI2

A Galpha P-loop mutation prevents transition to the activated state: G42R bound to RGS14 GoLoco


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.196

Literature

Macromolecules
Sequence Display for 3QI2

Classification: SIGNALING PROTEIN

Total Structure Weight: 84421.37

Macromolecule Entities
Molecule Chains Length Organism Details
Guanine nucleotide-binding protein G(i) subunit alpha-1 A, B 328 Homo sapiens EC#: 3.6.5.1 IUBMB
Fragment: alpha-i1 subunit, residues 31-354
Mutation: G42R
Gene Name(s): GNAI1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Regulator of G-protein signaling 14 C, D 36 Homo sapiens Fragment: GoLoco motif peptide, residues 497-532
Gene Name(s): RGS14 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.196
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 70.00 α = 90.00
b = 131.02 β = 90.00
c = 203.31 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-01-26
  • Released Date: 2012-02-01
  • Deposition author(s): Bosch, D.E., Willard, F.S., Kimple, A.J., Miley, M.J., Siderovski, D.P.

Revision History

  • Version 1_0: 2012-02-01

    Type: Initial release

  • Version 1_1: 2012-03-14

    Type: Database references