8TK5

HUMAN VH1-RELATED DUAL-SPECIFICITY PHOSPHATASE (VHR) complexed with HEPES

• PDB DOI: https://doi.org/10.2210/pdb8TK5/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2023-07-25 Released: 2024-08-14 
• Deposition Author(s): Aleshin, A.E., Wu, J., Lambert, L.J., Cosford, N.D.P., Tautz, L.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.191 
• R-Value Work: 0.147 
• R-Value Observed: 0.150 

Starting Model: experimental

Literature

Fragment Screening Platform and Discovery of Novel Fragment Binders of the VHR Phosphatase, a Drug Target for Sepsis and Septic Shock

Wu, J., Aleshin, A.E., Lambert, L.J., Cosford, N.D.P., Tautz, L.

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 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.82 kDa 
• Atom Count: 3,257 
• Modelled Residue Count: 362 
• Deposited Residue Count: 366 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dual specificity protein phosphatase 3	A, B	183	Homo sapiens	Mutation(s): 0  Gene Names: DUSP3, VHR EC: 3.1.3.16 (PDB Primary Data), 3.1.3.48 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P51452 (Homo sapiens) Explore P51452  Go to UniProtKB:  P51452
PHAROS:  P51452 GTEx:  ENSG00000108861

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PE8	E [auth A]	3,6,9,12,15,18,21-HEPTAOXATRICOSANE-1,23-DIOL C16 H34 O9 GLZWNFNQMJAZGY-UHFFFAOYSA-N
EPE (Subject of Investigation/LOI)	C [auth A], F [auth B]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-UHFFFAOYSA-N
PG4	D [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
PEG	G [auth B], H [auth B]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.191 
• R-Value Work: 0.147 
• R-Value Observed: 0.150 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.42	α = 90
b = 59.25	β = 98.21
c = 60.286	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-14 
Deposition Author(s): Aleshin, A.E., Wu, J., Lambert, L.J., Cosford, N.D.P., Tautz, L.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	1R21 AI160161

Revision History  

• Version 1.0: 2024-08-14
  Type: Initial release