2EQA

Crystal Structure of the hypothetical Sua5 protein from Sulfolobus tokodaii

• PDB DOI:  https://doi.org/10.2210/pdb2EQA/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Sulfurisphaera tokodaii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-03-30 Released: 2008-01-15 
• Deposition Author(s): Agari, Y., Shinkai, A., Yokoyama, S., Kuramitsu, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.208 
• R-Value Observed: 0.208 

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 4E1B

Literature

X-ray crystal structure of a hypothetical Sua5 protein from Sulfolobus tokodaii strain 7

Agari, Y., Sato, S., Wakamatsu, T., Bessho, Y., Ebihara, A., Yokoyama, S., Kuramitsu, S., Shinkai, A.

(2008) Proteins 70: 1108-1111

• PubMed: 18004774 
• DOI: https://doi.org/10.1002/prot.21794
• Primary Citation of Related Structures:  
  2EQA

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Organizational Affiliation: 

RIKEN SPring-8 Center, Harima Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 39.45 kDa 
• Atom Count: 2,768 
• Modelled Residue Count: 330 
• Deposited Residue Count: 352 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein ST1526	A	352	Sulfurisphaera tokodaii	Mutation(s): 0  Gene Names: sua5 EC: 2.7.7.87
UniProt
Find proteins for Q970S6 (Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)) Explore Q970S6  Go to UniProtKB:  Q970S6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AMP	C [auth A]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.208 
• R-Value Observed: 0.208 
• Space Group: C 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.391	α = 90
b = 120.843	β = 90
c = 67.552	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-01-15 
Deposition Author(s): Agari, Y., Shinkai, A., Yokoyama, S., Kuramitsu, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2008-01-15
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance