4XX5

Structure of PI3K gamma in complex with an inhibitor

• PDB DOI: https://doi.org/10.2210/pdb4XX5/pdb

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


• Deposited: 2015-01-29 Released: 2015-08-05 
• Deposition Author(s): Collier, P.N., Messersmith, D., Le Tiran, A., Bandarage, U.K., Boucher, C., Come, J., Cottrell, K.M., Damagnez, V., Doran, J.D., Griffith, J.P., Khare-Pandit, S., Krueger, E.B., Ledeboer, M.W., Ledford, B., Liao, Y., Mahajan, S., Moody, C.S., Wang, T., Xu, J., Aronov, A.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.274 
• R-Value Work: 0.198 
• R-Value Observed: 0.202 

Literature

Structure of PI3K gamma in complex with an inhibitor

Collier, P.N., Messersmith, D., Le Tiran, A., Bandarage, U.K., Boucher, C., Come, J., Cottrell, K.M., Damagnez, V., Doran, J.D., Griffith, J.P., Khare-Pandit, S., Krueger, E.B., Ledeboer, M.W., Ledford, B., Liao, Y., Mahajan, S., Moody, C.S., Wang, T., Xu, J., Aronov, A.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)

Macromolecule Content

• Total Structure Weight: 111.06 kDa 
• Atom Count: 6,870 
• Modelled Residue Count: 843 
• 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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
43R	B [auth A]	N-[5-(5-methoxypyridin-3-yl)-4,5,6,7-tetrahydro[1,3]thiazolo[5,4-c]pyridin-2-yl]acetamide C14 H16 N4 O2 S BJLFVHWVPYZOBS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
43R	BindingDB:  4XX5	Ki: 0.05 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.274 
• R-Value Work: 0.198 
• R-Value Observed: 0.202 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 144.444	α = 90
b = 67.418	β = 95.67
c = 106.698	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-08-05 
Deposition Author(s): Collier, P.N., Messersmith, D., Le Tiran, A., Bandarage, U.K., Boucher, C., Come, J., Cottrell, K.M., Damagnez, V., Doran, J.D., Griffith, J.P., Khare-Pandit, S., Krueger, E.B., Ledeboer, M.W., Ledford, B., Liao, Y., Mahajan, S., Moody, C.S., Wang, T., Xu, J., Aronov, A.M.

Revision History  

• Version 1.0: 2015-08-05
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations