2DEI

Crystal Structure of galaktokinase from Pyrococcus horikoshii with AMP-PNP and galactose

• PDB DOI: https://doi.org/10.2210/pdb2DEI/pdb

• Classification: TRANSFERASE
• Organism(s): Pyrococcus horikoshii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-02-10 Released: 2007-05-01 
• Deposition Author(s): Inagaki, E., Sakamoto, K., Shinkai, A., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.221 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 

Starting Model: experimental

Literature

Crystal Structure of galaktokinase from Pyrococcus horikoshii

Inagaki, E., Sakamoto, K., Shinkai, A., Yokoyama, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 40.11 kDa 
• Atom Count: 3,152 
• Modelled Residue Count: 350 
• Deposited Residue Count: 350 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable galactokinase	A	350	Pyrococcus horikoshii	Mutation(s): 0  EC: 2.7.1.6
UniProt
Find proteins for O58107 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O58107  Go to UniProtKB:  O58107

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MAP	C [auth A]	MAGNESIUM-5'-ADENYLY-IMIDO-TRIPHOSPHATE C10 H16 Mg N6 O12 P3 QTQJEIANUKJRTB-IDIVVRGQSA-M
GLA	B [auth A]	alpha-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-PHYPRBDBSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.221 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 106.333	α = 90
b = 39.067	β = 109.5
c = 81.418	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
BSS	data collection
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-05-01 
Deposition Author(s): Inagaki, E., Sakamoto, K., Shinkai, A., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-05-01
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.5: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary