7ZHK

GPN-loop GTPase from Sulfolobus acidocaldarius open state (GDP)

• PDB DOI: https://doi.org/10.2210/pdb7ZHK/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Sulfolobus acidocaldarius
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-04-06 Released: 2023-10-25 
• Deposition Author(s): Korf, L., Essen, L.-O.
• Funding Organization(s): Volkswagen Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.247 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

The GPN-loop GTPase from Sulfolobus acidocaldarius shows a scissors-like motion upon nucleotide hydrolysis

Korf, L., Ye, X., Vogt, M.S., Steinchen, W., Albers, S.V., Essen, L.-O.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 93.98 kDa 
• Atom Count: 6,114 
• Modelled Residue Count: 721 
• Deposited Residue Count: 822 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GTPase	A, B, C	274	Sulfolobus acidocaldarius	Mutation(s): 0  Gene Names: ATY89_00095, ATZ20_03140
UniProt
Find proteins for A0A0U2WWJ1 (Sulfolobus acidocaldarius) Explore A0A0U2WWJ1  Go to UniProtKB:  A0A0U2WWJ1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP (Subject of Investigation/LOI)	E [auth A], G [auth B], I [auth C]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	D [auth A], F [auth B], H [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.247 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 117.689	α = 90
b = 141.878	β = 90
c = 100.239	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
PHASER	phasing
XDS	data scaling
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-10-25 
Deposition Author(s): Korf, L., Essen, L.-O.

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Funding Organization	Location	Grant Number
Volkswagen Foundation	Germany	--

Revision History  

• Version 1.0: 2023-10-25
  Type: Initial release