Magnesium in PDB 8brp: Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp.

The structure of Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp., PDB code: 8brp was solved by S.Mordhorst, T.Badmann, N.M.Boesch, B.I.Morinaka, H.Rach, J.Piel, M.Groll, A.L.Vagstadt, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	58.29, 154.42, 174.92, 90, 90, 90
R / Rfree (%)	19.6 / 23.3

The structure of Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp. also contains other interesting chemical elements:

Manganese

(Mn)

8 atoms

The binding sites of Magnesium atom in the Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp. (pdb code 8brp). 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 Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp., PDB code: 8brp:

Magnesium binding site 1 out of 1 in the Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp.


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Peptide Arginase Ospr From the Cyanobacterium Kamptonema Sp. within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg804 b:34.6 occ:1.00 O A:HOH901 2.2 28.2 1.0 O B:HOH912 2.2 32.6 1.0 O A:HOH924 2.2 35.5 1.0 O A:HOH909 2.2 32.2 1.0 O B:HOH904 2.3 32.6 1.0 O B:HOH901 2.3 30.9 1.0 O A:GLU70 3.7 35.0 1.0 O A:SER69 4.0 36.8 1.0 O B:ALA207 4.1 37.1 1.0 CA A:GLU70 4.1 36.8 1.0 C A:GLU70 4.1 35.1 1.0 O B:ARG200 4.2 33.7 1.0 OH B:TYR191 4.6 32.6 1.0 O B:TRP203 4.7 35.8 1.0 CG B:ARG200 4.8 35.8 1.0 CG2 A:THR72 4.8 35.4 1.0 C A:SER69 4.8 37.3 1.0 N A:GLU70 4.9 37.2 1.0

S.Mordhorst, T.Badmann, N.M.Bosch, B.I.Morinaka, H.Rauch, J.Piel, M.Groll, A.L.Vagstad. Structural and Biochemical Insights Into Post-Translational Arginine-to-Ornithine Peptide Modifications By An Atypical Arginase. Acs Chem.Biol. 2023.
ISSN: ESSN 1554-8937
PubMed: 36791048
DOI: 10.1021/ACSCHEMBIO.2C00879