9FHO | pdb_00009fho

Crystal structure of the arginine kinase Der p 20_like (putative isoform)

• PDB DOI: https://doi.org/10.2210/pdb9FHO/pdb

• Classification: ALLERGEN
• Organism(s): Dermatophagoides pteronyssinus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-05-28 Released: 2025-06-11 
• Deposition Author(s): Schooltink, L., Sagmeister, T., Todorovic, N., Hofer, G., Keller, W.
• Funding Organization(s): Austrian Science Fund

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.225 (Depositor), 0.225 (DCC) 
• R-Value Work: 
  0.185 (Depositor), 0.185 (DCC) 

Starting Model: in silico

Literature

Crystal structure of arginine kinase To be published.

Schooltink, L., Todorovic, N., Hofer, G., Sagmeister, T., Keller, W.

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: 40.5 kDa 
• Atom Count: 3,104 
• Modeled Residue Count: 348 
• Deposited Residue Count: 356 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
arginine kinase	A	356	Dermatophagoides pteronyssinus	Mutation(s): 0  Gene Names: LOC113799794 EC: 2.7.3.3
UniProt
Find proteins for A0A6P6YM67 (Dermatophagoides pteronyssinus) Explore A0A6P6YM67  Go to UniProtKB:  A0A6P6YM67

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.225 (Depositor), 0.225 (DCC) 
• R-Value Work:  0.185 (Depositor), 0.185 (DCC) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.561	α = 90
b = 61.894	β = 96.442
c = 61.769	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-11 
Deposition Author(s): Schooltink, L., Sagmeister, T., Todorovic, N., Hofer, G., Keller, W.

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Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	F4604
Austrian Science Fund	Austria	Doc130

Revision History  

• Version 1.0: 2025-06-11
  Type: Initial release