Magnesium in PDB 7tct: Integrin ALAPHIIBBETA3 Complex with UR2922

The structure of Integrin ALAPHIIBBETA3 Complex with UR2922, PDB code: 7tct was solved by J.Zhu, F.-Y.Lin, J.Zhu, T.A.Springer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.28 / 2.50
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	259.16, 143.84, 104.91, 90, 90, 90
R / Rfree (%)	19.5 / 22.7

The structure of Integrin ALAPHIIBBETA3 Complex with UR2922 also contains other interesting chemical elements:

Calcium	(Ca)	12 atoms
Chlorine	(Cl)	1 atom

The binding sites of Magnesium atom in the Integrin ALAPHIIBBETA3 Complex with UR2922 (pdb code 7tct). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Integrin ALAPHIIBBETA3 Complex with UR2922, PDB code: 7tct:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Integrin ALAPHIIBBETA3 Complex with UR2922


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Integrin ALAPHIIBBETA3 Complex with UR2922 within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg2001 b:22.0 occ:1.00 OE2 B:GLU220 2.0 36.6 1.0 O32 B:I1F2005 2.1 27.7 1.0 O B:HOH2109 2.1 36.9 1.0 OG B:SER121 2.1 37.0 1.0 O B:HOH2143 2.1 19.1 1.0 O B:HOH2140 2.2 34.0 1.0 CB B:SER121 2.7 25.4 1.0 CD B:GLU220 3.2 35.4 1.0 C31 B:I1F2005 3.3 39.2 1.0 CG B:GLU220 3.8 27.1 1.0 O33 B:I1F2005 3.9 38.2 1.0 ND2 B:ASN215 4.1 25.1 1.0 N28 B:I1F2005 4.1 40.5 1.0 OG B:SER123 4.1 34.3 1.0 CA B:SER121 4.2 31.4 1.0 OE1 B:GLU220 4.2 29.9 1.0 OD2 B:ASP119 4.3 34.2 1.0 OD1 B:ASP119 4.3 35.6 1.0 N29 B:I1F2005 4.4 41.9 1.0 C30 B:I1F2005 4.4 33.9 1.0 N B:TYR122 4.5 29.6 1.0 C B:SER121 4.6 33.5 1.0 OD1 B:ASP251 4.7 32.6 1.0 O B:ALA218 4.7 39.4 1.0 CG B:ASP119 4.7 35.7 1.0 C27 B:I1F2005 4.9 44.9 1.0 CB B:ALA252 4.9 23.1 1.0 N B:SER121 4.9 34.1 1.0 N B:SER123 5.0 36.2 1.0

Magnesium binding site 2 out of 2 in the Integrin ALAPHIIBBETA3 Complex with UR2922


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Integrin ALAPHIIBBETA3 Complex with UR2922 within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg2001 b:23.7 occ:1.00 OE2 D:GLU220 2.1 54.4 1.0 O32 D:I1F2005 2.1 38.8 1.0 O D:HOH2110 2.1 32.1 1.0 OG D:SER121 2.2 46.2 1.0 O D:HOH2158 2.2 26.7 1.0 O D:HOH2213 2.2 25.1 1.0 CB D:SER121 2.8 39.8 1.0 CD D:GLU220 3.2 57.0 1.0 C31 D:I1F2005 3.3 42.0 1.0 CG D:GLU220 3.7 48.1 1.0 O33 D:I1F2005 3.9 41.6 1.0 N28 D:I1F2005 4.1 43.2 1.0 OG D:SER123 4.1 50.2 1.0 OE1 D:GLU220 4.3 53.5 1.0 CA D:SER121 4.3 42.7 1.0 OD2 D:ASP119 4.3 40.7 1.0 ND2 D:ASN215 4.3 39.8 1.0 N29 D:I1F2005 4.4 38.1 1.0 OD1 D:ASP119 4.4 41.8 1.0 C30 D:I1F2005 4.4 36.2 1.0 O D:ALA218 4.6 33.2 1.0 CB D:ALA252 4.7 33.3 1.0 C D:SER121 4.7 41.3 1.0 N D:TYR122 4.7 48.7 1.0 OD1 D:ASP251 4.7 39.0 1.0 O D:HOH2257 4.8 43.8 1.0 C27 D:I1F2005 4.8 33.4 1.0 CG D:ASP119 4.8 43.6 1.0

J.Zhu, F.-Y.Lin, J.Zhu, T.A.Springer. Integrin Alpha Iib Beta 3 Headpiece with Fab Complex with UR2922 To Be Published.