2EO4

Crystal structure of hypothetical histidine triad nucleotide-binding protein ST2152 from Sulfolobus tokodaii strain7

• PDB DOI: https://doi.org/10.2210/pdb2EO4/pdb

• Classification: HYDROLASE
• Organism(s): Sulfurisphaera tokodaii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-03-29 Released: 2007-10-02 
• Deposition Author(s): Mizutani, H., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 

Literature

Crystal structure of hypothetical histidine triad nucleotide-binding protein ST2152 from Sulfolobus tokodaii strain7

Mizutani, H., Kunishima, N.

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 and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 17.49 kDa 
• Atom Count: 1,371 
• Modelled Residue Count: 149 
• Deposited Residue Count: 149 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
150aa long hypothetical histidine triad nucleotide-binding protein	A	149	Sulfurisphaera tokodaii	Mutation(s): 0
UniProt
Find proteins for Q96YM2 (Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)) Explore Q96YM2  Go to UniProtKB:  Q96YM2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.219	α = 90
b = 71.219	β = 90
c = 99.223	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-02 
Deposition Author(s): Mizutani, H., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-10-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.2: 2023-10-25
  Changes: Data collection, Database references, Refinement description