6NR1

The X-ray crystal structure of Streptococcus pneumoniae Fatty Acid Kinase (Fak) B2 protein loaded with Vaccenic acid (C18:1 delta11) to 2.1 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb6NR1/pdb

• Classification: TRANSFERASE
• Organism(s): Streptococcus pneumoniae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-01-22 Released: 2019-08-21 
• Deposition Author(s): Cuypers, M.G., Gullett, J.M., Subramanian, C., White, S.W., Rock, C.O.
• Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.241 
• R-Value Work: 0.184 
• R-Value Observed: 0.187 

Starting Model: experimental

Literature

The X-ray crystal structure of Streptococcus pneumoniae Fatty Acid Kinase (Fak) B2 protein loaded with Vaccenic acid (C18:1 delta11) to 2.1 Angstrom resolution

Cuypers, M.G., Gullett, J.M., Subramanian, C., White, S.W., Rock, C.O.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 69.49 kDa 
• Atom Count: 4,959 
• Modelled Residue Count: 557 
• Deposited Residue Count: 626 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty Acid Kinase (Fak) B2 protein (SPR1019)	A, B	313	Streptococcus pneumoniae	Mutation(s): 0  Gene Names: SPR1019
UniProt
Find proteins for Q8DPT4 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6)) Explore Q8DPT4  Go to UniProtKB:  Q8DPT4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
VCA	C [auth A], G [auth B]	VACCENIC ACID C18 H34 O2 UWHZIFQPPBDJPM-FPLPWBNLSA-N
GOL	D [auth A], E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.241 
• R-Value Work: 0.184 
• R-Value Observed: 0.187 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/m36nr1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.655	α = 90
b = 103.409	β = 90
c = 107.925	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-08-21 
Deposition Author(s): Cuypers, M.G., Gullett, J.M., Subramanian, C., White, S.W., Rock, C.O.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	--

Revision History  

• Version 1.0: 2019-08-21
  Type: Initial release
  
• Version 1.1: 2019-12-18
  Changes: Author supporting evidence
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Refinement description