Potassium in PDB 1rxy: E. Coli Uridine Phosphorylase: Type-B Native

All present enzymatic activity of E. Coli Uridine Phosphorylase: Type-B Native:
2.4.2.3;

The structure of E. Coli Uridine Phosphorylase: Type-B Native, PDB code: 1rxy was solved by T.T.Caradoc-Davies, S.M.Cutfield, I.L.Lamont, J.F.Cutfield, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	16.10 / 1.70
Space group	H 3
Cell size a, b, c (Å), α, β, γ (°)	152.928, 152.928, 50.864, 90.00, 90.00, 120.00
R / Rfree (%)	12.8 / 16.4

The binding sites of Potassium atom in the E. Coli Uridine Phosphorylase: Type-B Native (pdb code 1rxy). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the E. Coli Uridine Phosphorylase: Type-B Native, PDB code: 1rxy:

Potassium binding site 1 out of 1 in the E. Coli Uridine Phosphorylase: Type-B Native


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of E. Coli Uridine Phosphorylase: Type-B Native within 5.0Å range: probe atom residue distance (Å) B Occ A:K1001 b:24.9 occ:1.00 O B:ILE69 2.7 4.0 1.0 OE1 A:GLU49 2.8 7.6 1.0 OE2 B:GLU49 2.8 9.0 1.0 O A:ILE69 2.8 4.5 1.0 OG A:SER73 2.9 3.0 1.0 OG B:SER73 2.9 3.7 1.0 O B:HOH3006 3.5 29.1 0.5 O B:HOH3006 3.5 25.9 0.5 CB A:SER73 3.6 2.0 1.0 CB B:SER73 3.6 3.1 1.0 N B:ILE69 3.7 5.3 1.0 N A:ILE69 3.7 5.5 1.0 C B:ILE69 3.8 4.8 1.0 C A:ILE69 3.8 4.6 1.0 CD A:GLU49 3.9 9.3 1.0 CD B:GLU49 3.9 10.9 1.0 CA B:ILE69 4.3 4.8 1.0 CA A:ILE69 4.3 4.4 1.0 C A:GLY68 4.3 5.7 1.0 C B:GLY68 4.3 5.8 1.0 CA A:GLY68 4.4 5.3 1.0 CA B:GLY68 4.4 5.4 1.0 CG A:GLU49 4.4 8.2 1.0 CG B:GLU49 4.5 10.7 1.0 CB B:ILE69 4.8 5.0 1.0 CB A:ILE69 4.8 5.1 1.0 O A:THR67 4.8 5.8 1.0 CA A:SER73 4.9 2.1 1.0 CA B:SER73 4.9 2.9 1.0 O B:THR67 4.9 6.7 1.0 N B:GLY70 4.9 4.3 1.0 OE2 A:GLU49 4.9 10.3 1.0 OE1 B:GLU49 4.9 10.0 1.0 N A:GLY70 5.0 4.0 1.0 N B:SER73 5.0 3.8 1.0 N A:SER73 5.0 2.5 1.0

T.T.Caradoc-Davies, S.M.Cutfield, I.L.Lamont, J.F.Cutfield. Crystal Structures of Escherichia Coli Uridine Phosphorylase in Two Native and Three Complexed Forms Reveal Basis of Substrate Specificity, Induced Conformational Changes and Influence of Potassium J.Mol.Biol. V. 337 337 2004.
ISSN: ISSN 0022-2836
PubMed: 15003451
DOI: 10.1016/J.JMB.2004.01.039