Magnesium in PDB 1xd2: Crystal Structure of A Ternary Ras:Sos:Ras*Gdp Complex

The structure of Crystal Structure of A Ternary Ras:Sos:Ras*Gdp Complex, PDB code: 1xd2 was solved by H.Sondermann, S.M.Soisson, S.Boykevisch, S.S.Yang, D.Bar-Sagi, J.Kuriyan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.98 / 2.70
Space group	I 4 2 2
Cell size a, b, c (Å), α, β, γ (°)	183.703, 183.703, 177.804, 90.00, 90.00, 90.00
R / Rfree (%)	21.2 / 24.5

The binding sites of Magnesium atom in the Crystal Structure of A Ternary Ras:Sos:Ras*Gdp Complex (pdb code 1xd2). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Crystal Structure of A Ternary Ras:Sos:Ras*Gdp Complex, PDB code: 1xd2:

Magnesium binding site 1 out of 1 in the Crystal Structure of A Ternary Ras:Sos:Ras*Gdp Complex


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 A Ternary Ras:Sos:Ras*Gdp Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg167 b:36.8 occ:1.00 OG1 A:THR35 2.0 33.8 1.0 O3B A:GDP169 2.1 29.8 1.0 O4 A:PO4168 2.1 35.7 1.0 OG A:SER17 2.3 28.3 1.0 CB A:THR35 3.2 32.0 1.0 CB A:SER17 3.3 23.5 1.0 PB A:GDP169 3.3 28.2 1.0 P A:PO4168 3.5 30.6 1.0 O1A A:GDP169 3.5 26.5 1.0 O2B A:GDP169 3.5 27.9 1.0 N A:THR35 3.6 33.9 1.0 O A:ASP33 3.8 42.4 1.0 O1 A:PO4168 3.9 28.6 1.0 CA A:THR35 4.0 32.7 1.0 O3A A:GDP169 4.1 25.4 1.0 PA A:GDP169 4.2 26.2 1.0 N A:SER17 4.2 23.6 1.0 O2 A:PO4168 4.2 31.8 1.0 OD2 A:ASP57 4.3 37.0 1.0 CA A:SER17 4.3 25.6 1.0 CG2 A:THR35 4.4 27.4 1.0 O1B A:GDP169 4.4 30.6 1.0 O2A A:GDP169 4.4 27.1 1.0 O3 A:PO4168 4.4 30.0 1.0 C A:PRO34 4.5 35.5 1.0 CA A:PRO34 4.8 37.9 1.0 CE1 A:TYR32 4.9 49.4 1.0 O A:THR58 4.9 34.1 1.0 C A:ASP33 4.9 42.3 1.0 OD1 A:ASP57 5.0 40.0 1.0

H.Sondermann, S.M.Soisson, S.Boykevisch, S.S.Yang, D.Bar-Sagi, J.Kuriyan. Structural Analysis of Autoinhibition in the Ras Activator Son of Sevenless. Cell(Cambridge,Mass.) V. 119 393 2004.
ISSN: ISSN 0092-8674
PubMed: 15507210
DOI: 10.1016/J.CELL.2004.10.005