Magnesium in PDB 7xqy: Crystal Structure of T2R-Ttl-15 Complex

The structure of Crystal Structure of T2R-Ttl-15 Complex, PDB code: 7xqy was solved by T.Lun, W.Chengyong, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.58 / 2.35
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.42, 158.33, 180.98, 90, 90, 90
R / Rfree (%)	19.9 / 23.6

The structure of Crystal Structure of T2R-Ttl-15 Complex also contains other interesting chemical elements:

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

The binding sites of Magnesium atom in the Crystal Structure of T2R-Ttl-15 Complex (pdb code 7xqy). 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-15 Complex, PDB code: 7xqy:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Crystal Structure of T2R-Ttl-15 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-15 Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg502 b:42.0 occ:1.00 O1G A:GTP501 1.9 41.8 1.0 O A:HOH621 2.1 40.7 1.0 O A:HOH627 2.1 40.7 1.0 O A:HOH622 2.1 40.7 1.0 O A:HOH654 2.2 40.7 1.0 O1B A:GTP501 2.3 36.7 1.0 PG A:GTP501 3.1 47.8 1.0 PB A:GTP501 3.3 43.0 1.0 O3B A:GTP501 3.5 47.1 1.0 O2G A:GTP501 3.5 45.4 1.0 O3A A:GTP501 3.7 47.7 1.0 OE2 A:GLU71 3.9 61.3 1.0 OD1 A:ASP69 4.2 42.4 1.0 CB A:ASP98 4.2 41.0 1.0 CB A:GLN11 4.3 38.6 1.0 OD2 A:ASP98 4.3 52.1 1.0 OD2 A:ASP69 4.3 42.5 1.0 CG A:GLU71 4.4 55.2 1.0 O3G A:GTP501 4.4 39.0 1.0 N A:GLN11 4.5 39.3 1.0 NZ B:LYS252 4.5 68.3 1.0 CG A:ASP98 4.6 49.4 1.0 CD A:GLU71 4.6 53.4 1.0 O2B A:GTP501 4.6 47.9 1.0 CG A:ASP69 4.7 45.4 1.0 O1A A:GTP501 4.7 39.3 1.0 NE2 A:GLN11 4.8 41.3 1.0 PA A:GTP501 4.8 41.5 1.0 OG1 A:THR145 4.9 43.0 1.0 CA A:GLN11 5.0 45.3 1.0

Magnesium binding site 2 out of 3 in the Crystal Structure of T2R-Ttl-15 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-15 Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg502 b:42.6 occ:1.00 O B:HOH614 2.0 40.7 1.0 OE1 B:GLN11 2.2 55.0 1.0 O1A B:GDP501 2.2 44.9 1.0 O C:HOH653 2.3 50.9 1.0 O B:HOH645 2.5 45.8 1.0 O B:HOH611 2.7 52.9 1.0 CD B:GLN11 3.4 61.1 1.0 PA B:GDP501 3.5 38.4 1.0 OD2 B:ASP177 3.6 59.4 1.0 O3A B:GDP501 3.7 42.5 1.0 CB B:GLN11 4.0 41.5 1.0 OD1 B:ASN99 4.2 47.5 1.0 CG B:GLN11 4.2 52.5 1.0 C5' B:GDP501 4.3 41.9 1.0 O5' B:GDP501 4.3 37.4 1.0 NE2 B:GLN11 4.4 61.2 1.0 O2A B:GDP501 4.5 38.4 1.0 O1B B:GDP501 4.6 36.7 1.0 CG B:ASP177 4.6 47.6 1.0 OE1 C:GLU254 4.6 56.6 1.0 PB B:GDP501 4.8 39.4 1.0 C8 B:GDP501 4.9 41.2 1.0

Magnesium binding site 3 out of 3 in the Crystal Structure of T2R-Ttl-15 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-15 Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg502 b:40.3 occ:1.00 O C:HOH644 2.1 51.1 1.0 O1B C:GTP501 2.1 38.3 1.0 O1G C:GTP501 2.1 37.5 1.0 O C:HOH616 2.3 40.7 1.0 O C:HOH629 2.3 40.7 1.0 O C:HOH658 2.3 40.7 1.0 PB C:GTP501 3.1 34.4 1.0 PG C:GTP501 3.2 39.0 1.0 O3B C:GTP501 3.4 37.8 1.0 O3A C:GTP501 3.7 42.1 1.0 O2G C:GTP501 3.7 41.5 1.0 OD1 C:ASP69 4.0 41.1 1.0 CB C:GLN11 4.0 33.2 1.0 OD2 C:ASP69 4.1 38.4 1.0 NZ D:LYS252 4.1 50.0 1.0 N C:GLN11 4.2 31.8 1.0 OE2 C:GLU71 4.3 55.6 1.0 OD2 C:ASP98 4.3 51.2 1.0 CG C:GLU71 4.4 42.1 1.0 CB C:ASP98 4.4 39.7 1.0 O2B C:GTP501 4.4 39.0 1.0 CG C:ASP69 4.5 41.0 1.0 O3G C:GTP501 4.5 34.9 1.0 OE1 C:GLN11 4.5 42.0 1.0 O1A C:GTP501 4.6 42.1 1.0 PA C:GTP501 4.7 37.4 1.0 CA C:GLN11 4.7 41.1 1.0 CG C:ASP98 4.8 43.2 1.0 CD C:GLU71 4.8 50.2 1.0 OG1 C:THR145 4.9 41.0 1.0

T.Lun, W.Chengyong. Crystal Structure of T2R-Ttl-15 Complex To Be Published.