Magnesium in PDB 5vpi: Crystal Structure of Human Kras G12A Mutant in Complex with Gtp

The structure of Crystal Structure of Human Kras G12A Mutant in Complex with Gtp, PDB code: 5vpi was solved by S.Xu, B.Long, G.Boris, S.Ni, M.A.Kennedy, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	68.02 / 1.62
Space group	H 3
Cell size a, b, c (Å), α, β, γ (°)	94.792, 94.792, 121.480, 90.00, 90.00, 120.00
R / Rfree (%)	18.6 / 21.6

The binding sites of Magnesium atom in the Crystal Structure of Human Kras G12A Mutant in Complex with Gtp (pdb code 5vpi). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of Human Kras G12A Mutant in Complex with Gtp, PDB code: 5vpi:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of Human Kras G12A Mutant in Complex with Gtp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of Human Kras G12A Mutant in Complex with Gtp within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg202 b:39.8 occ:1.00 O A:HOH310 2.0 33.1 1.0 O3G A:GTP201 2.0 36.8 1.0 O A:HOH362 2.1 43.9 1.0 O2B A:GTP201 2.1 21.6 1.0 OG A:SER17 2.2 28.0 1.0 O A:HOH355 2.2 32.9 1.0 CB A:SER17 3.2 23.9 1.0 PG A:GTP201 3.3 44.1 1.0 PB A:GTP201 3.3 23.1 1.0 O3B A:GTP201 3.5 28.2 1.0 N A:SER17 3.9 22.3 1.0 OD2 A:ASP57 4.0 36.7 1.0 O1G A:GTP201 4.0 37.7 1.0 CA A:SER17 4.1 24.7 1.0 OD1 A:ASP57 4.1 36.1 1.0 O2A A:GTP201 4.2 29.3 1.0 O A:THR58 4.4 36.8 1.0 CG A:ASP57 4.4 37.3 1.0 O3A A:GTP201 4.4 20.3 1.0 O1B A:GTP201 4.4 19.7 1.0 O2G A:GTP201 4.4 44.5 1.0 PA A:GTP201 4.6 25.7 1.0 O A:PRO34 4.6 80.9 1.0 O1A A:GTP201 4.7 23.6 1.0 O A:ASP33 4.7 89.4 1.0 CB A:LYS16 4.8 20.5 1.0 C A:LYS16 5.0 21.3 1.0 CE A:LYS16 5.0 24.2 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of Human Kras G12A Mutant in Complex with Gtp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of Human Kras G12A Mutant in Complex with Gtp within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg202 b:39.2 occ:1.00 O B:HOH315 2.0 31.3 1.0 O3G B:GTP201 2.0 37.2 1.0 O B:HOH371 2.2 47.2 1.0 O1B B:GTP201 2.2 22.8 1.0 OG B:SER17 2.2 26.9 1.0 O B:HOH344 2.3 36.1 1.0 PG B:GTP201 3.2 45.1 1.0 CB B:SER17 3.2 23.1 1.0 PB B:GTP201 3.4 23.2 1.0 O3B B:GTP201 3.5 27.4 1.0 N B:SER17 4.0 20.7 1.0 O2G B:GTP201 4.0 41.2 1.0 OD2 B:ASP57 4.0 36.5 1.0 OD1 B:ASP57 4.1 35.1 1.0 CA B:SER17 4.2 23.2 1.0 O1A B:GTP201 4.2 29.3 1.0 O B:THR58 4.4 35.0 1.0 O1G B:GTP201 4.4 49.8 1.0 O3A B:GTP201 4.4 21.2 1.0 CG B:ASP57 4.4 37.2 1.0 O2B B:GTP201 4.5 21.2 1.0 O B:PRO34 4.6 81.0 1.0 O B:ASP33 4.6 79.7 1.0 PA B:GTP201 4.6 26.3 1.0 O2A B:GTP201 4.7 24.1 1.0 CB B:LYS16 4.9 20.3 1.0 CA B:PRO34 5.0 79.7 1.0 C B:LYS16 5.0 21.8 1.0

S.Xu, B.N.Long, G.H.Boris, A.Chen, S.Ni, M.A.Kennedy. Structural Insight Into the Rearrangement of the Switch I Region in Gtp-Bound G12A K-Ras. Acta Crystallogr D Struct V. 73 970 2017BIOL.
ISSN: ISSN 2059-7983
PubMed: 29199977
DOI: 10.1107/S2059798317015418