Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

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

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

Macromolecule Content

• Total Structure Weight: 19896.46 
• Atom Count: 1397 
• Residue Count: 170 
• Unique protein chains: 1

4QL3

Crystal Structure of a GDP-bound G12R Oncogenic Mutant of Human GTPase KRas

• DOI: 10.2210/pdb4QL3/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): 1 


• Deposited: 2014-06-10 Released: 2015-06-10 
• Deposition Author(s): Hunter, J.C., Manandhar, A., Gurbani, D., Chen, Z., Westover, K.D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.041 Å
• R-Value Free: 0.162 
• R-Value Work: 0.138 

Literature

Biochemical and Structural Analysis of Common Cancer-Associated KRAS Mutations.

Hunter, J.C., Manandhar, A., Carrasco, M.A., Gurbani, D., Gondi, S., Westover, K.D.

(2015) Mol Cancer Res. 13: 1325-1335

• PubMed: 26037647 
• DOI: 10.1158/1541-7786.MCR-15-0203
• Primary Citation of Related Structures:  
  4WA7, 4TQA, 4TQ9

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
GTPase KRas	A	170	Homo sapiens	Mutation(s): 1  Gene Names: KRAS (KRAS2, RASK2)
Find proteins for P01116 (Homo sapiens) Go to Gene View: KRAS Go to UniProtKB:  P01116

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
GDP	A	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	A	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.041 Å
• R-Value Free: 0.162 
• R-Value Work: 0.138 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data DOI: 
  10.15785/SBGRID/160 SBGrid

Unit Cell:

Length (Å)	Angle (°)
a = 39.125	α = 90.00
b = 40.908	β = 90.00
c = 91.806	γ = 90.00

Software Package:

Software Name	Purpose
HKL-3000	data reduction
SCALEPACK	data scaling
HKL-3000	data collection
PHASER	phasing
PDB_EXTRACT	data extraction
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2014-06-10 
• Released Date: 2015-06-10 
• Deposition Author(s): Hunter, J.C., Manandhar, A., Gurbani, D., Chen, Z., Westover, K.D.

Revision History 

• Version 1.0: 2015-06-10
  Type: Initial release
• Version 1.1: 2015-09-02
  Type: Database references
• Version 1.2: 2015-09-30
  Type: Database references