1Y1S

Crystal Structure of the Uridine Phosphorylase from Salmonella Typhimurium in Complex with Uracil and Sulfate Ion at 2.55A Resolution

• PDB DOI: https://doi.org/10.2210/pdb1Y1S/pdb

• Classification: TRANSFERASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2004-11-19 Released: 2005-11-22 
• Deposition Author(s): Gabdoulkhakov, A.G., Dontsova, M.V., Kachalova, G.S., Betzel, C., Ealick, S.E., Mikhailov, A.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.231 
• R-Value Work: 0.189 
• R-Value Observed: 0.189 

Literature

Crystal Structures of Salmonella Typhimurium Uridine Phosphorylase in Native and Three Complexes Forms - with Uridine, Uracil and Sulfate.

Gabdoulkhakov, A.G., Dontsova, M.V., Kachalova, G.S., Betzel, C., Ealick, S.E., Mikhailov, A.M.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 164.15 kDa 
• Atom Count: 11,544 
• Modelled Residue Count: 1,500 
• Deposited Residue Count: 1,518 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uridine phosphorylase	A, B [auth C], C [auth D], D [auth F], E, F [auth B]	253	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 0  Gene Names: UDP EC: 2.4.2.3
UniProt
Find proteins for P0A1F6 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P0A1F6  Go to UniProtKB:  P0A1F6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
URA	H [auth A], K [auth D], M [auth F], O [auth E], Q [auth B]	URACIL C4 H4 N2 O2 ISAKRJDGNUQOIC-UHFFFAOYSA-N
SO4	G [auth A], I [auth C], J [auth D], L [auth F], N [auth E], P [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.231 
• R-Value Work: 0.189 
• R-Value Observed: 0.189 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.99	α = 90
b = 124.12	β = 90
c = 133.83	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MAR345	data collection
XDS	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-22 
Deposition Author(s): Gabdoulkhakov, A.G., Dontsova, M.V., Kachalova, G.S., Betzel, C., Ealick, S.E., Mikhailov, A.M.

Revision History  

• Version 1.0: 2005-11-22
  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: 2024-02-14
  Changes: Data collection, Database references, Derived calculations
• Version 1.5: 2024-04-03
  Changes: Refinement description