Calcium in PDB 5m7e: Tubulin-BKM120 Complex

The structure of Tubulin-BKM120 Complex, PDB code: 5m7e was solved by T.Bohnacker, A.E.Prota, M.O.Steinmetz, M.P.Wymann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.93 / 2.05
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	104.593, 157.985, 179.728, 90.00, 90.00, 90.00
R / Rfree (%)	17.3 / 20.3

The structure of Tubulin-BKM120 Complex also contains other interesting chemical elements:

Fluorine	(F)	3 atoms
Magnesium	(Mg)	5 atoms

The binding sites of Calcium atom in the Tubulin-BKM120 Complex (pdb code 5m7e). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Tubulin-BKM120 Complex, PDB code: 5m7e:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Tubulin-BKM120 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Tubulin-BKM120 Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:73.5 occ:1.00 O A:GLY44 2.3 85.2 1.0 OD2 A:ASP39 2.3 76.5 1.0 O A:THR41 2.5 83.2 1.0 O A:HOH627 2.6 62.4 1.0 OE1 A:GLU55 2.6 66.5 1.0 OD1 A:ASP39 2.6 77.5 1.0 OG1 A:THR41 2.7 71.3 1.0 OE2 A:GLU55 2.7 62.4 1.0 CG A:ASP39 2.8 74.5 1.0 CD A:GLU55 2.9 69.6 1.0 C A:GLY44 3.4 88.0 1.0 C A:THR41 3.5 83.4 1.0 CB A:THR41 3.5 77.4 1.0 CA A:THR41 3.9 85.7 1.0 N A:GLY44 4.2 87.0 1.0 N A:GLY45 4.2 85.2 1.0 N A:THR41 4.3 86.7 1.0 CA A:GLY45 4.3 85.1 1.0 CB A:ASP39 4.3 70.9 1.0 O A:HOH643 4.4 60.8 1.0 CA A:GLY44 4.4 87.1 1.0 CG A:GLU55 4.4 71.3 1.0 CZ A:PHE49 4.5 63.7 1.0 OD1 A:ASN50 4.6 58.5 1.0 O A:HOH732 4.6 66.9 1.0 N A:ILE42 4.7 87.5 1.0 OD2 A:ASP47 4.7 73.1 1.0 NE2 A:HIS61 4.8 70.4 1.0 ND2 A:ASN50 4.9 60.0 1.0 CG2 A:THR41 4.9 77.5 1.0 CE1 A:PHE49 4.9 61.0 1.0

Calcium binding site 2 out of 3 in the Tubulin-BKM120 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Tubulin-BKM120 Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca503 b:0.2 occ:1.00 O B:HOH642 2.5 89.9 1.0 O B:HOH612 2.6 60.1 1.0 OE1 B:GLU113 3.2 85.1 1.0 OE2 B:GLU113 3.6 87.1 1.0 CD B:GLU113 3.7 74.3 1.0 OE1 B:GLU110 4.5 58.0 1.0

Calcium binding site 3 out of 3 in the Tubulin-BKM120 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Tubulin-BKM120 Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca503 b:53.7 occ:1.00 O C:GLY44 2.4 67.5 1.0 O C:HOH603 2.4 43.6 1.0 OD2 C:ASP39 2.4 62.7 1.0 OE1 C:GLU55 2.4 47.4 1.0 O C:THR41 2.4 62.9 1.0 OG1 C:THR41 2.5 57.4 1.0 OD1 C:ASP39 2.5 59.4 1.0 OE2 C:GLU55 2.5 49.3 1.0 CG C:ASP39 2.8 57.1 1.0 CD C:GLU55 2.8 51.7 1.0 C C:THR41 3.4 62.7 1.0 CB C:THR41 3.4 61.7 1.0 C C:GLY44 3.5 74.2 1.0 CA C:THR41 3.8 61.4 1.0 N C:THR41 4.1 60.5 1.0 CA C:GLY45 4.3 70.4 1.0 CB C:ASP39 4.3 56.0 1.0 CG C:GLU55 4.3 43.4 1.0 N C:GLY45 4.3 77.1 1.0 OD2 C:ASP47 4.3 65.0 1.0 O C:HOH630 4.4 50.8 1.0 N C:GLY44 4.4 67.0 1.0 CA C:GLY44 4.5 68.5 1.0 CZ C:PHE49 4.5 51.2 1.0 OD1 C:ASN50 4.6 44.5 1.0 NE2 C:HIS61 4.6 44.6 1.0 N C:ILE42 4.6 62.9 1.0 CG2 C:THR41 4.8 57.3 1.0 CE1 C:PHE49 4.9 53.6 1.0 ND2 C:ASN50 5.0 41.1 1.0

T.Bohnacker, A.E.Prota, F.Beaufils, J.E.Burke, A.Melone, A.J.Inglis, D.Rageot, A.M.Sele, V.Cmiljanovic, N.Cmiljanovic, K.Bargsten, A.Aher, A.Akhmanova, J.F.Diaz, D.Fabbro, M.Zvelebil, R.L.Williams, M.O.Steinmetz, M.P.Wymann. Deconvolution of Buparlisib'S Mechanism of Action Defines Specific PI3K and Tubulin Inhibitors For Therapeutic Intervention. Nat Commun V. 8 14683 2017.
ISSN: ESSN 2041-1723
PubMed: 28276440
DOI: 10.1038/NCOMMS14683