8TUA

Full-length P-Rex1 in complex with inositol 1,3,4,5-tetrakisphosphate (IP4)

• PDB DOI: https://doi.org/10.2210/pdb8TUA/pdb
• EM Map EMD-41621: EMDB EMDataResource

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2023-08-15 Released: 2024-04-10 
• Deposition Author(s): Cash, J.N., Tesmer, J.J.G.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI), National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Full-length P-Rex1 in complex with inositol 1,3,4,5-tetrakisphosphate (IP4)

Ravala, S.K., Adame-Garcia, S.R., Li, S., Chen, C., Cianfrocco, M.A., Gutkind, J.S., Cash, J.N., Tesmer, J.J.G.

(2024) Elife 

• DOI: https://doi.org/10.7554/eLife.92822.1

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 183.96 kDa 
• Atom Count: 10,685 
• Modelled Residue Count: 1,329 
• Deposited Residue Count: 1,625 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein	A	1,625	Homo sapiens	Mutation(s): 0  Gene Names: PREX1
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TCU6 (Homo sapiens) Explore Q8TCU6  Go to UniProtKB:  Q8TCU6
PHAROS:  Q8TCU6 GTEx:  ENSG00000124126

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
4IP (Subject of Investigation/LOI)	B [auth A]	INOSITOL-(1,3,4,5)-TETRAKISPHOSPHATE C6 H16 O18 P4 CIPFCGZLFXVXBG-CNWJWELYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-10 
Deposition Author(s): Cash, J.N., Tesmer, J.J.G.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	CA254402
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	CA221289
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)	United States	HL071818
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	P30CA023168
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM146664

Revision History  

• Version 1.0: 2024-04-10
  Type: Initial release