Potassium in PDB 5iul: Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3

All present enzymatic activity of Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3:
2.7.13.3;

The structure of Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3, PDB code: 5iul was solved by F.Trajtenberg, J.A.Imelio, N.Larrieux, A.Buschiazzo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.59 / 3.15
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	88.186, 116.680, 91.877, 90.00, 117.10, 90.00
R / Rfree (%)	19 / 23.1

The structure of Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3 also contains other interesting chemical elements:

Magnesium

(Mg)

6 atoms

The binding sites of Potassium atom in the Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3 (pdb code 5iul). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3, PDB code: 5iul:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3 within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:80.4 occ:1.00 O C:MET27 2.8 77.0 1.0 O C:GLU24 2.9 78.9 1.0 O C:ASN22 3.1 80.8 1.0 C C:ASN22 3.9 75.5 1.0 C C:MET27 4.0 75.1 1.0 C C:GLU24 4.1 78.4 1.0 CA C:ASN22 4.2 68.7 1.0 CE C:MET1 4.5 0.2 1.0 OD1 C:ASN22 4.5 74.7 1.0 SD C:MET1 4.7 0.2 1.0 O C:ASP25 4.8 89.3 1.0 CB C:ASN22 4.8 69.8 1.0 CA C:GLU28 4.8 69.6 1.0 CA C:ASP25 4.8 82.6 1.0 N C:GLU28 4.8 69.2 1.0 C C:ASP25 4.9 86.5 1.0 N C:MET27 4.9 75.5 1.0 N C:ASP25 4.9 78.3 1.0 N C:GLU24 4.9 67.5 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Desk-Desr Complex in the Phosphotransfer State with High MG2+ (150 Mm) and BEF3 within 5.0Å range: probe atom residue distance (Å) B Occ C:K203 b:0.1 occ:1.00 O C:LYS70 2.6 91.4 1.0 O C:THR72 3.0 90.5 1.0 C C:LYS70 3.4 91.1 1.0 O C:LEU69 3.7 80.7 1.0 O C:CYS74 3.8 73.8 1.0 N C:THR72 4.1 93.9 1.0 CA C:LYS70 4.1 81.1 1.0 C C:THR72 4.1 93.2 1.0 N C:ASP71 4.1 92.4 1.0 CA C:ASP71 4.4 97.6 1.0 C C:ASP71 4.5 0.2 1.0 C C:LEU69 4.6 82.0 1.0 N C:CYS74 4.7 81.4 1.0 OG1 C:THR72 4.8 94.4 1.0 CA C:THR72 4.8 93.5 1.0 N C:LYS70 4.8 80.6 1.0 C C:CYS74 4.9 75.0 1.0 CA C:GLY73 4.9 88.4 1.0 C C:GLY73 4.9 87.9 1.0

F.Trajtenberg, J.A.Imelio, M.R.Machado, N.Larrieux, M.A.Marti, G.Obal, A.E.Mechaly, A.Buschiazzo. Regulation of Signaling Directionality Revealed By 3D Snapshots of A Kinase:Regulator Complex in Action. Elife V. 5 2016.
ISSN: ESSN 2050-084X
PubMed: 27938660
DOI: 10.7554/ELIFE.21422