1GQT

Activation of Ribokinase by Monovalent Cations

• PDB DOI: https://doi.org/10.2210/pdb1GQT/pdb

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


• Deposited: 2001-12-05 Released: 2002-01-28 
• Deposition Author(s): Andersson, C.E., Mowbray, S.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.257 
• R-Value Work: 0.193 
• R-Value Observed: 0.196 

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 PQS (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 131.93 kDa 
• Atom Count: 9,352 
• Modelled Residue Count: 1,223 
• Deposited Residue Count: 1,236 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RIBOKINASE	A, B, C, D	309	Escherichia coli K-12	Mutation(s): 0  EC: 2.7.1.15
UniProt
Find proteins for P0A9J6 (Escherichia coli (strain K12)) Explore P0A9J6  Go to UniProtKB:  P0A9J6

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACP	F [auth A], I [auth B], L [auth C]	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER C11 H18 N5 O12 P3 UFZTZBNSLXELAL-IOSLPCCCSA-N
RIB	G [auth A], J [auth B], M [auth C], O [auth D]	alpha-D-ribofuranose C5 H10 O5 HMFHBZSHGGEWLO-AIHAYLRMSA-N
CS	E [auth A], H [auth B], K [auth C], N [auth D]	CESIUM ION Cs NCMHKCKGHRPLCM-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.257 
• R-Value Work: 0.193 
• R-Value Observed: 0.196 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.453	α = 90
b = 62.767	β = 90
c = 339.277	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-01-28 
Deposition Author(s): Andersson, C.E., Mowbray, S.L.

Revision History  

• Version 1.0: 2002-01-28
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2018-04-18
  Changes: Advisory, Atomic model, Data collection, Database references
• Version 3.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary