3UMS

Crystal structure of the G202A mutant of human G-alpha-i1

• PDB DOI: https://doi.org/10.2210/pdb3UMS/pdb
• Entry: 3UMS supersedes: 2PZ2

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


• Deposited: 2011-11-14 Released: 2012-02-08 
• Deposition Author(s): Lambert, N.A., Johnston, C.A., Cappell, S.D., Kuravi, S., Kimple, A.J., Willard, F.S., Siderovski, D.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.228 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 

Literature

Correction for Regulators of G-protein Signaling accelerate GPCR signaling kinetics and govern sensitivity solely by accelerating GTPase activity

Lambert, N.A., Johnston, C.A., Cappell, S.D., Kuravi, S., Kimple, A.J., Willard, F.S., Siderovski, D.P.

(2012) Proc Natl Acad Sci U S A 

• DOI: https://doi.org/10.1073/pnas.1200427109

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 kDa 
• Atom Count: 2,858 
• Modelled Residue Count: 337 
• 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
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 3 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
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.228 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 121.531	α = 90
b = 121.531	β = 90
c = 67.909	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: 2012-02-08 
Deposition Author(s): Lambert, N.A., Johnston, C.A., Cappell, S.D., Kuravi, S., Kimple, A.J., Willard, F.S., Siderovski, D.P.
• This entry supersedes: 2PZ2

Revision History  

• Version 1.0: 2012-02-08
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description