Magnesium in PDB 1i4t: Crystal Structure Analysis of RAC1-Gmppnp in Complex with Arfaptin

The structure of Crystal Structure Analysis of RAC1-Gmppnp in Complex with Arfaptin, PDB code: 1i4t was solved by C.Tarricone, B.Xiao, N.Justin, S.J.Gamblin, S.J.Smerdon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.60
Space group	P 41
Cell size a, b, c (Å), α, β, γ (°)	112.746, 112.746, 68.178, 90.00, 90.00, 90.00
R / Rfree (%)	25.9 / 30.4

The binding sites of Magnesium atom in the Crystal Structure Analysis of RAC1-Gmppnp in Complex with Arfaptin (pdb code 1i4t). 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 Analysis of RAC1-Gmppnp in Complex with Arfaptin, PDB code: 1i4t:

Magnesium binding site 1 out of 1 in the Crystal Structure Analysis of RAC1-Gmppnp in Complex with Arfaptin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure Analysis of RAC1-Gmppnp in Complex with Arfaptin within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg1201 b:51.1 occ:1.00 OG1 D:THR17 2.0 42.2 1.0 O2G D:GNP1200 2.1 52.7 1.0 O2B D:GNP1200 2.4 56.3 1.0 CB D:THR17 3.2 42.4 1.0 PG D:GNP1200 3.3 53.6 1.0 PB D:GNP1200 3.6 56.2 1.0 N3B D:GNP1200 3.7 54.4 1.0 OD2 D:ASP57 3.9 37.4 1.0 O1G D:GNP1200 4.0 52.5 1.0 N D:THR17 4.0 44.1 1.0 O D:THR58 4.1 46.3 1.0 CA D:THR17 4.2 43.1 1.0 CG2 D:THR17 4.2 39.8 1.0 OD1 D:ASP57 4.3 38.6 1.0 CG D:ASP57 4.5 39.3 1.0 O3G D:GNP1200 4.5 55.1 1.0 O2A D:GNP1200 4.5 61.2 1.0 O1B D:GNP1200 4.6 56.8 1.0 O3A D:GNP1200 4.7 57.6 1.0 O1A D:GNP1200 4.8 59.0 1.0 PA D:GNP1200 4.9 60.4 1.0

C.Tarricone, B.Xiao, N.Justin, P.A.Walker, K.Rittinger, S.J.Gamblin, S.J.Smerdon. The Structural Basis of Arfaptin-Mediated Cross-Talk Between Rac and Arf Signalling Pathways. Nature V. 411 215 2001.
ISSN: ISSN 0028-0836
PubMed: 11346801
DOI: 10.1038/35075620