Magnesium in PDB 7xr0: Crystal Structure of T2R-Ttl-27A Complex

The structure of Crystal Structure of T2R-Ttl-27A Complex, PDB code: 7xr0 was solved by T.Lun, C.Y.Wu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.88 / 2.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.222, 157.666, 181.74, 90, 90, 90
R / Rfree (%)	20.5 / 24.7

The structure of Crystal Structure of T2R-Ttl-27A Complex also contains other interesting chemical elements:

Calcium	(Ca)	2 atoms
Chlorine	(Cl)	3 atoms
Fluorine	(F)	2 atoms

The binding sites of Magnesium atom in the Crystal Structure of T2R-Ttl-27A Complex (pdb code 7xr0). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Crystal Structure of T2R-Ttl-27A Complex, PDB code: 7xr0:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Crystal Structure of T2R-Ttl-27A 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 T2R-Ttl-27A Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg502 b:34.2 occ:1.00 O1G A:GTP501 2.3 40.6 1.0 O1B A:GTP501 2.6 34.7 1.0 OE2 A:GLU71 3.3 53.7 1.0 PG A:GTP501 3.3 43.5 1.0 O2G A:GTP501 3.4 47.1 1.0 PB A:GTP501 3.7 34.5 1.0 CG A:GLU71 3.8 46.4 1.0 OD2 A:ASP69 3.8 50.7 1.0 O3B A:GTP501 3.9 44.2 1.0 OD1 A:ASP69 3.9 48.0 1.0 CD A:GLU71 4.0 48.8 1.0 OD2 A:ASP98 4.1 49.7 1.0 CB A:ASP98 4.2 37.2 1.0 O3A A:GTP501 4.2 35.9 1.0 CB A:GLN11 4.2 38.3 1.0 CG A:ASP69 4.3 49.9 1.0 CG A:ASP98 4.5 45.4 1.0 NE2 A:GLN11 4.5 43.0 1.0 N A:GLN11 4.6 33.1 1.0 O3G A:GTP501 4.7 30.4 1.0 CA A:GLN11 4.9 39.1 1.0 O2B A:GTP501 4.9 46.1 1.0

Magnesium binding site 2 out of 3 in the Crystal Structure of T2R-Ttl-27A Complex


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 T2R-Ttl-27A Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg502 b:46.6 occ:1.00 NE2 B:GLN11 2.2 52.9 1.0 O1A B:GDP501 2.4 39.5 1.0 OD2 B:ASP177 3.4 57.2 1.0 CD B:GLN11 3.5 54.1 1.0 PA B:GDP501 3.7 28.5 1.0 O3A B:GDP501 3.9 35.6 1.0 OD1 B:ASN99 4.1 34.3 1.0 OE1 B:GLN11 4.2 59.9 1.0 C5' B:GDP501 4.2 31.5 1.0 O5' B:GDP501 4.4 25.4 1.0 CG B:ASP177 4.4 47.3 1.0 OE1 C:GLU254 4.4 50.7 1.0 CB B:GLN11 4.4 41.0 1.0 CG B:GLN11 4.5 41.3 1.0 ND2 B:ASN99 4.8 26.4 1.0 CG B:ASN99 4.9 27.6 1.0 O2A B:GDP501 4.9 32.1 1.0

Magnesium binding site 3 out of 3 in the Crystal Structure of T2R-Ttl-27A Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Crystal Structure of T2R-Ttl-27A Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg502 b:31.5 occ:1.00 O1G C:GTP501 2.0 38.0 1.0 O1B C:GTP501 2.3 35.4 1.0 PG C:GTP501 3.2 32.1 1.0 PB C:GTP501 3.5 24.3 1.0 O2G C:GTP501 3.6 46.0 1.0 OD2 C:ASP98 3.6 37.5 1.0 OE2 C:GLU71 3.7 53.4 1.0 O3B C:GTP501 3.8 29.3 1.0 CG C:GLU71 4.0 36.5 1.0 NZ D:LYS252 4.0 52.5 1.0 OD2 C:ASP69 4.0 38.8 1.0 CB C:ASP98 4.1 39.2 1.0 O3A C:GTP501 4.2 36.7 1.0 OD1 C:ASP69 4.3 38.2 1.0 CG C:ASP98 4.3 41.8 1.0 CB C:GLN11 4.3 32.4 1.0 CD C:GLU71 4.3 42.5 1.0 O3G C:GTP501 4.5 29.3 1.0 CG C:ASP69 4.6 39.0 1.0 OE1 C:GLN11 4.6 37.4 1.0 N C:GLN11 4.7 24.1 1.0 O2B C:GTP501 4.7 27.7 1.0 CE D:LYS252 5.0 51.5 1.0

T.Lun, W.Chengyong. Crystal Structure of T2R-Ttl-27A Complex To Be Published.