2EKL

Structure of ST1218 protein from Sulfolobus tokodaii

• PDB DOI: https://doi.org/10.2210/pdb2EKL/pdb

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


• Deposited: 2007-03-23 Released: 2008-03-25 
• Deposition Author(s): Lokanath, N.K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.220 
• R-Value Work: 0.188 
• R-Value Observed: 0.188 

Starting Model: experimental

Literature

Structure of ST1218 protein from Sulfolobus tokodaii

Lokanath, N.K., Pampa, K.J., Kamiya, T., 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 (software)

Macromolecule Content

• Total Structure Weight: 35.37 kDa 
• Atom Count: 2,862 
• Modelled Residue Count: 312 
• Deposited Residue Count: 313 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
D-3-phosphoglycerate dehydrogenase	A	313	Sulfurisphaera tokodaii	Mutation(s): 0  EC: 1.1.1.95
UniProt
Find proteins for Q972A9 (Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)) Explore Q972A9  Go to UniProtKB:  Q972A9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAD	B [auth A]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.220 
• R-Value Work: 0.188 
• R-Value Observed: 0.188 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.065	α = 90
b = 59.798	β = 114.3
c = 60.728	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-03-25 
Deposition Author(s): Lokanath, N.K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2008-03-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description