1FQK

CRYSTAL STRUCTURE OF THE HETERODIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)]

Structural Biology Knowledgebase: 1FQK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.231

Literature

Macromolecules
Sequence Display for 1FQK

Classification: SIGNALING PROTEIN

Total Structure Weight: 110703.54

Macromolecule Entities
Molecule Chains Length Organism Details
CHIMERA OF GUANINE NUCLEOTIDE-BINDING PROTEIN G(T), ALPHA-1 SUBUNIT AND GUANINE NUCLEOTIDE-BINDING PROTEIN G(I), ALPHA-1 SUBUNIT A, C 325 Bos taurus Rattus norvegicus Details: THE CHIMERA COMPRISES RESIDUES 26 TO 215 OF BOVINE GT, RESIDUES 220 TO 298 OF RAT GI1, AND RESIDUES 295 TO 350 OF BOVINE GT
Gene Name(s): GNAT1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
REGULATOR OF G-PROTEIN SIGNALING 9 B, D 147 Bos taurus Fragment: RGS DOMAIN (RESIDUES 276-422)
Gene Name(s): RGS9 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, C GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ALF
Query on ALF

A, C TETRAFLUOROALUMINATE ION
Al F4
UYOMQIYKOOHAMK-UHFFFAOYSA-J
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, C 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: 2.3 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.231
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 96.79 α = 90.00
b = 115.07 β = 90.00
c = 136.46 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-05
  • Released Date: 2001-02-28
  • Deposition author(s): Slep, K.C., Kercher, M.A., He, W., Cowan, C.W., Wensel, T.G., Sigler, P.B.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4