7LZ5

Crystal structure of oncogenic KRAS Q61E GMPPCP-bound

• PDB DOI: https://doi.org/10.2210/pdb7LZ5/pdb

• Classification: ONCOPROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2021-03-09 Released: 2022-03-16 
• Deposition Author(s): Carey, L.M., Campbell, S.L.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.179 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 

Starting Model: experimental

Literature

Crystal structure of oncogenic KRAS Q61E GMPPCP-bound

Huynh, M.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 19.8 kDa 
• Atom Count: 1,584 
• Modelled Residue Count: 169 
• Deposited Residue Count: 169 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform 2B of GTPase KRas	A	169	Homo sapiens	Mutation(s): 2  Gene Names: KRAS, KRAS2, RASK2 EC: 3.6.5.2
UniProt & NIH Common Fund Data Resources
Find proteins for P01116 (Homo sapiens) Explore P01116  Go to UniProtKB:  P01116
GTEx:  ENSG00000133703

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GCP	B [auth A]	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER C11 H18 N5 O13 P3 PHBDHXOBFUBCJD-KQYNXXCUSA-N
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.179 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.413	α = 90
b = 94.413	β = 90
c = 119.326	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-03-16 
Deposition Author(s): Carey, L.M., Campbell, S.L.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)		--

Revision History  

• Version 1.0: 2022-03-16
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description