3UMR

Crystal structure of the G202D mutant of human G-alpha-i1

• PDB DOI: https://doi.org/10.2210/pdb3UMR/pdb
• Entry: 3UMR supersedes: 2EBC

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-11-14 Released: 2012-10-24 
• Deposition Author(s): Johnston, C.A., Afshar, K., Snyder, J.T., Tall, G.G., Gonczy, P., Siderovski, D.P., Willard, F.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.210 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 

Starting Model: experimental

Literature

Structural Determinants Underlying the Temperature-sensitive Nature of a G-alpha Mutant in Asymmetric Cell Division of Caenorhabditis elegans

Johnston, C.A., Afshar, K., Snyder, J.T., Tall, G.G., Gonczy, P., Siderovski, D.P., Willard, F.S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.13 kDa 
• Atom Count: 2,981 
• Modelled Residue Count: 331 
• Deposited Residue Count: 354 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-1	A	354	Homo sapiens	Mutation(s): 1  Gene Names: GNAI1 EC: 3.6.5
UniProt & NIH Common Fund Data Resources
Find proteins for P63096 (Homo sapiens) Explore P63096  Go to UniProtKB:  P63096
PHAROS:  P63096 GTEx:  ENSG00000127955

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP	B [auth A]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.210 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 121.952	α = 90
b = 121.952	β = 90
c = 67.382	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-10-24 
Deposition Author(s): Johnston, C.A., Afshar, K., Snyder, J.T., Tall, G.G., Gonczy, P., Siderovski, D.P., Willard, F.S.
• This entry supersedes: 2EBC

Revision History  

• Version 1.0: 2012-10-24
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description