8SC8

Structure of PI3KG in complex with MTX-531

• PDB DOI: https://doi.org/10.2210/pdb8SC8/pdb

• Classification: TRANSFERASE/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2023-04-05 Released: 2024-06-12 
• Deposition Author(s): Whitehead, C.E., Leopold, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free: 0.253 
• R-Value Work: 0.195 

Literature

Structure of PI3KG in complex with MTX-531

Whitehead, C.E., Leopold, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 111.66 kDa 
• Atom Count: 6,863 
• Modelled Residue Count: 828 
• Deposited Residue Count: 966 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform	A	966	Homo sapiens	Mutation(s): 0  Gene Names: PIK3CG EC: 2.7.1.153 (PDB Primary Data), 2.7.11.1 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P48736 (Homo sapiens) Explore P48736  Go to UniProtKB:  P48736
PHAROS:  P48736 GTEx:  ENSG00000105851

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
D0D (Subject of Investigation/LOI)	G [auth A]	N-[(5P)-2-chloro-5-(4-{[(1R)-1-phenylethyl]amino}quinazolin-6-yl)pyridin-3-yl]methanesulfonamide C22 H20 Cl N5 O2 S LPJIZDSOUGHTNB-CQSZACIVSA-N
SO4	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free: 0.253 
• R-Value Work: 0.195 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.934	α = 90
b = 67.452	β = 95.274
c = 106.983	γ = 90

Software Package:

Software Name	Purpose
autoPROC	data processing
XDS	data reduction
Aimless	data scaling
STARANISO	data scaling
REFMAC	refinement
REFMAC	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-12 
Deposition Author(s): Whitehead, C.E., Leopold, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-06-12
  Type: Initial release