8EEC

Crystal structure of HPK1 citron-homology domain

• PDB DOI: https://doi.org/10.2210/pdb8EEC/pdb

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


• Deposited: 2022-09-06 Released: 2024-03-27 
• Deposition Author(s): Wu, P., Lehoux, I., Wang, W.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.257 
• R-Value Work: 0.208 
• R-Value Observed: 0.211 

Literature

HPK1 Citron Homology Domain Serves as a Scaffold to Promote Phosphorylation of SLP76

Chitre, A., Wu, P., Walters, B., Wang, X., Du, X., Lehoux, I., Fong, R., Arata, A., Frnake, Y., Grogan, J.L., Mellman, I., Camps-Agrar, L., Wang, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 37.97 kDa 
• Atom Count: 2,553 
• Modelled Residue Count: 317 
• Deposited Residue Count: 343 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform 2 of Mitogen-activated protein kinase kinase kinase kinase 1	A	343	Homo sapiens	Mutation(s): 0  Gene Names: MAP4K1, HPK1 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q92918 (Homo sapiens) Explore Q92918  Go to UniProtKB:  Q92918
PHAROS:  Q92918 GTEx:  ENSG00000104814

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.257 
• R-Value Work: 0.208 
• R-Value Observed: 0.211 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.667	α = 90
b = 81.667	β = 90
c = 140.535	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
AutoSol	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-27 
Deposition Author(s): Wu, P., Lehoux, I., Wang, W.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-03-27
  Type: Initial release