Magnesium in PDB 8fg4: Hras R97L Crystal Form 1

All present enzymatic activity of Hras R97L Crystal Form 1:
3.6.5.2;

The structure of Hras R97L Crystal Form 1, PDB code: 8fg4 was solved by S.Fetics, C.W.Johnson, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.01 / 1.85
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	89.864, 89.864, 136.279, 90, 90, 120
R / Rfree (%)	19.1 / 22.7

The structure of Hras R97L Crystal Form 1 also contains other interesting chemical elements:

Calcium

(Ca)

1 atom

The binding sites of Magnesium atom in the Hras R97L Crystal Form 1 (pdb code 8fg4). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Hras R97L Crystal Form 1, PDB code: 8fg4:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Hras R97L Crystal Form 1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Hras R97L Crystal Form 1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg203 b:32.2 occ:1.00 O A:HOH360 1.9 28.5 1.0 OG1 A:THR35 2.1 29.6 1.0 O2B A:GNP201 2.1 29.4 1.0 OG A:SER17 2.2 33.3 1.0 O A:HOH314 2.2 31.0 1.0 O2G A:GNP201 2.2 32.0 1.0 CB A:THR35 3.1 33.3 1.0 CB A:SER17 3.1 28.1 1.0 PG A:GNP201 3.3 30.5 1.0 PB A:GNP201 3.3 28.0 1.0 N3B A:GNP201 3.5 26.2 1.0 N A:THR35 3.8 31.3 1.0 N A:SER17 3.8 23.5 1.0 OD2 A:ASP57 4.0 27.2 1.0 CA A:SER17 4.0 27.7 1.0 CA A:THR35 4.0 30.1 1.0 OD1 A:ASP57 4.1 32.3 1.0 O2A A:GNP201 4.1 27.4 1.0 O3G A:GNP201 4.1 35.6 1.0 O A:HOH337 4.1 33.6 1.0 CG2 A:THR35 4.1 31.5 1.0 O1B A:GNP201 4.4 27.6 1.0 CG A:ASP57 4.4 28.5 1.0 O A:ASP33 4.4 30.7 1.0 O3A A:GNP201 4.4 26.2 1.0 O1G A:GNP201 4.5 28.5 1.0 O A:THR58 4.5 30.9 1.0 PA A:GNP201 4.6 27.6 1.0 O1A A:GNP201 4.6 27.6 1.0 C A:PRO34 4.7 34.6 1.0 C A:LYS16 4.9 27.6 1.0 CB A:LYS16 4.9 25.1 1.0 CA A:PRO34 5.0 36.0 1.0

Magnesium binding site 2 out of 2 in the Hras R97L Crystal Form 1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Hras R97L Crystal Form 1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg204 b:32.8 occ:0.33 O A:HOH336 2.2 28.6 1.0 O A:HOH386 2.2 33.9 1.0 NE2 A:GLN129 4.0 41.8 1.0 O A:HOH305 4.1 36.1 1.0 O A:THR124 4.1 32.6 1.0 OE1 A:GLN129 4.4 32.5 1.0 CD A:GLN129 4.7 39.9 1.0

C.W.Johnson, S.K.Fetics, K.P.Davis, J.A.Rodrigues, C.Mattos. Allosteric Site Variants Affect Gtp Hydrolysis on Ras. Protein Sci. E4767 2023.
ISSN: ESSN 1469-896X
PubMed: 37615343
DOI: 10.1002/PRO.4767