3H49

Crystal structure of a putative Ribokinase (Apo Form) from E.coli at 1.8A resolution

• PDB DOI: https://doi.org/10.2210/pdb3H49/pdb

• Classification: TRANSFERASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-04-18 Released: 2009-04-28 
• Deposition Author(s): Satyanarayana, L., Eswaramoorthy, S., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.237 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 

Literature

Crystal structure of a putative Ribokinase (Apo Form) from E.coli at 1.8A resolution.

Satyanarayana, L., Eswaramoorthy, S., Burley, S.K., Swaminathan, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 71.4 kDa 
• Atom Count: 4,901 
• Modelled Residue Count: 606 
• Deposited Residue Count: 650 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribokinase	A, B	325	Escherichia coli K-12	Mutation(s): 0  Gene Names: b1772, JW5289, ydjH EC: 2.7.1
UniProt
Find proteins for P77493 (Escherichia coli (strain K12)) Explore P77493  Go to UniProtKB:  P77493

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	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: 0.237 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.088	α = 90
b = 73.718	β = 96.49
c = 82.153	γ = 90

Software Package:

Software Name	Purpose
CBASS	data collection
SHELXCD	phasing
SHARP	phasing
CNS	refinement
DENZO	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-04-28 
Deposition Author(s): Satyanarayana, L., Eswaramoorthy, S., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2009-04-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Structure summary