Magnesium in PDB 8tbm: Tricomplex of Rmc-7977, Kras G12V, and Cypa

All present enzymatic activity of Tricomplex of Rmc-7977, Kras G12V, and Cypa:
3.6.5.2; 5.2.1.8;

The structure of Tricomplex of Rmc-7977, Kras G12V, and Cypa, PDB code: 8tbm was solved by A.C.A.Tomlinson, A.Chen, J.E.Knox, J.K.Yano, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.58 / 1.57
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	65.56, 84.09, 127.1, 90, 90, 90
R / Rfree (%)	17.8 / 21.1

The binding sites of Magnesium atom in the Tricomplex of Rmc-7977, Kras G12V, and Cypa (pdb code 8tbm). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Tricomplex of Rmc-7977, Kras G12V, and Cypa, PDB code: 8tbm:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Tricomplex of Rmc-7977, Kras G12V, and Cypa


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Tricomplex of Rmc-7977, Kras G12V, and Cypa within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg202 b:17.2 occ:1.00 O1G A:GNP201 2.0 17.8 1.0 O2B A:GNP201 2.0 16.9 1.0 OG A:SER17 2.1 15.5 1.0 O A:HOH316 2.1 19.3 1.0 O A:HOH332 2.1 16.6 1.0 OG1 A:THR35 2.1 16.3 1.0 CB A:THR35 3.1 20.5 1.0 CB A:SER17 3.2 19.0 1.0 PB A:GNP201 3.2 16.9 1.0 PG A:GNP201 3.2 18.2 1.0 N3B A:GNP201 3.4 17.1 1.0 N A:THR35 3.8 16.7 1.0 N A:SER17 3.8 15.5 1.0 CA A:THR35 4.1 17.3 1.0 OD2 A:ASP57 4.1 25.0 1.0 CA A:SER17 4.1 15.9 1.0 O2G A:GNP201 4.1 19.5 1.0 O2A A:GNP201 4.2 19.1 1.0 O A:HOH307 4.2 20.4 0.5 OD1 A:ASP57 4.2 24.2 1.0 CG2 A:THR35 4.2 20.0 1.0 O1B A:GNP201 4.3 17.3 1.0 O3A A:GNP201 4.3 17.1 1.0 O3G A:GNP201 4.3 18.7 1.0 O A:THR58 4.4 20.9 1.0 O A:ASP33 4.5 18.8 1.0 CG A:ASP57 4.5 25.3 1.0 O A:HOH307 4.5 23.9 0.5 PA A:GNP201 4.5 18.8 1.0 O1A A:GNP201 4.6 18.8 1.0 C A:PRO34 4.8 21.6 1.0 CB A:LYS16 4.8 15.1 1.0 CE A:LYS16 4.8 20.6 1.0 C A:LYS16 4.9 16.6 1.0 CA A:PRO34 4.9 22.0 1.0

Magnesium binding site 2 out of 2 in the Tricomplex of Rmc-7977, Kras G12V, and Cypa


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Tricomplex of Rmc-7977, Kras G12V, and Cypa within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg202 b:19.7 occ:1.00 O1G B:GNP201 2.0 18.2 1.0 OG1 B:THR35 2.1 21.4 1.0 O B:HOH322 2.1 21.7 1.0 OG B:SER17 2.1 19.4 1.0 O2B B:GNP201 2.1 21.0 1.0 O B:HOH317 2.1 19.7 1.0 CB B:THR35 3.1 20.5 1.0 CB B:SER17 3.1 20.7 1.0 PG B:GNP201 3.2 21.4 1.0 PB B:GNP201 3.3 21.9 1.0 N3B B:GNP201 3.5 23.7 1.0 N B:THR35 3.8 21.2 1.0 N B:SER17 3.8 19.6 1.0 OD2 B:ASP57 4.0 27.5 1.0 CA B:SER17 4.0 17.2 1.0 CA B:THR35 4.0 20.1 1.0 O B:HOH366 4.1 44.8 1.0 O2A B:GNP201 4.1 23.6 1.0 CG2 B:THR35 4.2 19.7 1.0 O2G B:GNP201 4.2 21.1 1.0 OD1 B:ASP57 4.2 25.3 1.0 O1B B:GNP201 4.3 20.6 1.0 O3G B:GNP201 4.3 23.5 1.0 O3A B:GNP201 4.4 21.2 1.0 O B:THR58 4.4 21.3 1.0 O B:ASP33 4.4 24.2 1.0 CG B:ASP57 4.5 23.7 1.0 PA B:GNP201 4.6 22.6 1.0 O1A B:GNP201 4.6 21.9 1.0 C B:PRO34 4.8 26.2 1.0 CB B:LYS16 4.8 17.1 1.0 CE B:LYS16 4.9 20.3 1.0 C B:LYS16 4.9 17.8 1.0 CA B:PRO34 4.9 25.9 1.0

A.C.A.Tomlinson, A.Chen, J.E.Knox, J.K.Yano. Concurrent Inhibition of Oncogenic and Wild-Type Ras-Gtp For Cancer Therapy To Be Published.