Magnesium in PDB 1vfn: Purine Nucleoside Phosphorylase

All present enzymatic activity of Purine Nucleoside Phosphorylase:
2.4.2.1;

The structure of Purine Nucleoside Phosphorylase, PDB code: 1vfn was solved by G.Koellner, A.Bzowska, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.15
Space group	P 21 3
Cell size a, b, c (Å), α, β, γ (°)	94.110, 94.110, 94.110, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The structure of Purine Nucleoside Phosphorylase also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Magnesium atom in the Purine Nucleoside Phosphorylase (pdb code 1vfn). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Purine Nucleoside Phosphorylase, PDB code: 1vfn:

Magnesium binding site 1 out of 1 in the Purine Nucleoside Phosphorylase


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Purine Nucleoside Phosphorylase within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg301 b:23.3 occ:1.00 O A:HOH348 2.1 23.6 1.0 O A:HOH347 2.2 18.5 1.0 O A:HOH335 2.2 21.1 1.0 O A:HOH349 2.3 23.4 1.0 OE2 A:GLU22 3.8 28.0 1.0 OE1 A:GLU22 3.9 19.1 1.0 NE2 A:GLN46 4.2 9.6 1.0 CD A:GLU22 4.3 29.5 1.0 O A:ALA45 4.3 22.2 1.0 O A:GLN44 4.3 19.4 1.0 CB A:GLN46 4.6 14.5 1.0 C A:GLN44 4.9 21.4 1.0 CD A:GLN46 5.0 23.8 1.0

G.Koellner, M.Luic, D.Shugar, W.Saenger, A.Bzowska. Crystal Structure of Calf Spleen Purine Nucleoside Phosphorylase in A Complex with Hypoxanthine at 2.15 A Resolution. J.Mol.Biol. V. 265 202 1997.
ISSN: ISSN 0022-2836
PubMed: 9020983
DOI: 10.1006/JMBI.1996.0730