6FU2

ATP phosphoribosyltransferase (HisZG ATPPRT) from Psychrobacter arcticus in complex with PRPP and ATP

• PDB DOI: https://doi.org/10.2210/pdb6FU2/pdb

• Classification: TRANSFERASE
• Organism(s): Psychrobacter arcticus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-02-26 Released: 2018-10-24 
• Deposition Author(s): Alphey, M.S., Ge, Y., Fisher, G., Czekster, C.M., Naismith, J.H., da Silva, R.G.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.71 Å
• R-Value Free: 0.243 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 

Literature

Catalytic and Anticatalytic Snapshots of a Short-Form ATP Phosphoribosyltransferase

Alphey, M.S., Fisher, G., Hirschi, J.S., Stroek, R., Ge, Y., Gould, E.R., Czekster, C.M., Liu, H., Florence, G.J., Vetticatt, M.J., Naismith, J.H., da Silva, R.G.

(2018) ACS Catal 

• DOI: https://doi.org/10.1021/acscatal.8b00867

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 138.95 kDa 
• Atom Count: 9,238 
• Modelled Residue Count: 1,169 
• Deposited Residue Count: 1,240 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ATP phosphoribosyltransferase regulatory subunit	A, B	388	Psychrobacter arcticus	Mutation(s): 0  Gene Names: hisZ, Psyc_0676
UniProt
Find proteins for Q4FTX3 (Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4)) Explore Q4FTX3  Go to UniProtKB:  Q4FTX3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ATP phosphoribosyltransferase	C, D	232	Psychrobacter arcticus	Mutation(s): 0  Gene Names: hisG, Psyc_1903 EC: 2.4.2.17
UniProt
Find proteins for Q4FQF7 (Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4)) Explore Q4FQF7  Go to UniProtKB:  Q4FQF7

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ATP	G [auth C], L [auth D]	ADENOSINE-5'-TRIPHOSPHATE C10 H16 N5 O13 P3 ZKHQWZAMYRWXGA-KQYNXXCUSA-N
PRP	F [auth C], K [auth D]	1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose C5 H13 O14 P3 PQGCEDQWHSBAJP-TXICZTDVSA-N
TRS	E [auth B], J [auth C], M [auth D]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
MG	H [auth C], I [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.71 Å
• R-Value Free: 0.243 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.72	α = 90
b = 146.2	β = 102.16
c = 94.51	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-10-24 
Deposition Author(s): Alphey, M.S., Ge, Y., Fisher, G., Czekster, C.M., Naismith, J.H., da Silva, R.G.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council	United Kingdom	BB/M010996/1

Revision History  

• Version 1.0: 2018-10-24
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2024-01-17
  Changes: Data collection, Database references, Refinement description, Structure summary