Magnesium in PDB 7q1f: Cpap:Tubulin:IE5 Alpharep Complex

The structure of Cpap:Tubulin:IE5 Alpharep Complex, PDB code: 7q1f was solved by V.Campanacci, B.Gigant, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	107.93 / 2.35
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	89.088, 215.864, 95.536, 90, 109.61, 90
R / Rfree (%)	18.8 / 22

The binding sites of Magnesium atom in the Cpap:Tubulin:IE5 Alpharep Complex (pdb code 7q1f). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Cpap:Tubulin:IE5 Alpharep Complex, PDB code: 7q1f:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Cpap:Tubulin:IE5 Alpharep Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cpap:Tubulin:IE5 Alpharep Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg502 b:42.6 occ:1.00 O A:HOH646 1.9 38.4 1.0 O3G A:GTP501 2.1 36.2 1.0 O A:HOH648 2.2 42.6 1.0 O2B A:GTP501 2.2 37.5 1.0 O A:HOH661 2.2 31.8 1.0 O A:HOH740 2.5 43.2 1.0 PB A:GTP501 3.3 37.6 1.0 PG A:GTP501 3.3 36.8 1.0 O3B A:GTP501 3.6 37.8 1.0 O3A A:GTP501 3.6 37.2 1.0 NZ B:LYS254 3.8 37.4 1.0 O1G A:GTP501 3.9 36.4 1.0 CB A:GLN11 4.1 35.9 1.0 OE1 A:GLU71 4.2 48.2 1.0 OD2 A:ASP98 4.2 51.0 1.0 O2A A:GTP501 4.3 35.1 1.0 OD2 A:ASP69 4.3 41.1 1.0 N A:GLN11 4.3 35.4 1.0 OD1 A:ASP69 4.4 39.1 1.0 O2G A:GTP501 4.6 35.9 1.0 CG A:GLU71 4.6 44.3 1.0 O1B A:GTP501 4.6 37.0 1.0 PA A:GTP501 4.6 35.7 1.0 OE1 A:GLN11 4.7 43.9 1.0 CG A:ASP98 4.8 48.9 1.0 CB A:ASP98 4.8 45.1 1.0 CG A:ASP69 4.8 40.6 1.0 CA A:GLN11 4.8 34.9 1.0 CD A:GLU71 4.9 48.6 1.0

Magnesium binding site 2 out of 2 in the Cpap:Tubulin:IE5 Alpharep Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Cpap:Tubulin:IE5 Alpharep Complex within 5.0Å range: probe atom residue distance (Å) B Occ R:Mg502 b:45.2 occ:1.00 O R:HOH726 2.0 44.5 1.0 O R:HOH663 2.0 28.6 1.0 O R:HOH652 2.1 34.3 1.0 O2G R:GTP501 2.1 35.2 1.0 O2B R:GTP501 2.2 36.1 1.0 O R:HOH609 2.4 39.0 1.0 PB R:GTP501 3.3 35.6 1.0 PG R:GTP501 3.3 36.1 1.0 O3B R:GTP501 3.6 36.0 1.0 O3A R:GTP501 3.6 36.0 1.0 O3G R:GTP501 3.7 36.3 1.0 NZ S:LYS254 3.9 41.2 1.0 OE2 R:GLU71 4.0 52.7 1.0 CB R:GLN11 4.1 32.5 1.0 OD2 R:ASP98 4.1 51.7 1.0 OD2 R:ASP69 4.2 40.7 1.0 N R:GLN11 4.3 33.6 1.0 O2A R:GTP501 4.3 35.3 1.0 OD1 R:ASP69 4.4 40.8 1.0 CG R:GLU71 4.5 46.4 1.0 O1B R:GTP501 4.6 35.0 1.0 O1G R:GTP501 4.6 35.8 1.0 PA R:GTP501 4.6 35.3 1.0 O R:HOH645 4.6 51.6 1.0 OE1 R:GLN11 4.7 40.5 1.0 CG R:ASP98 4.7 50.1 1.0 CB R:ASP98 4.7 44.3 1.0 CG R:ASP69 4.8 40.9 1.0 CD R:GLU71 4.8 51.1 1.0 CA R:GLN11 4.8 32.4 1.0

V.Campanacci, A.Urvoas, L.Ammar Khodja, M.Aumont-Nicaise, M.Noiray, S.Lachkar, P.A.Curmi, P.Minard, B.Gigant. Structural Convergence For Tubulin Binding of Cpap and Vinca Domain Microtubule Inhibitors. Proc.Natl.Acad.Sci.Usa V. 119 98119 2022.
ISSN: ESSN 1091-6490
PubMed: 35507869
DOI: 10.1073/PNAS.2120098119