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

The structure of Crystal Structure of T2R-Ttl-27A Complex, PDB code: 7xqx 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)	72.19 / 3.36
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.386, 157.49, 180.668, 90, 90, 90
R / Rfree (%)	19.7 / 24.5

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

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

The binding sites of Magnesium atom in the Crystal Structure of T2R-Ttl-27A Complex (pdb code 7xqx). 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: 7xqx:
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:32.2 occ:1.00 O1G A:GTP501 2.0 50.6 1.0 O1B A:GTP501 2.3 46.6 1.0 PG A:GTP501 3.3 49.6 1.0 PB A:GTP501 3.5 43.4 1.0 OE2 A:GLU71 3.6 62.7 1.0 O2G A:GTP501 3.6 50.3 1.0 O3B A:GTP501 3.8 45.5 1.0 CG A:GLU71 4.1 51.8 1.0 OD1 A:ASP69 4.1 56.0 1.0 CB A:GLN11 4.2 57.3 1.0 OD2 A:ASP69 4.2 58.9 1.0 O3A A:GTP501 4.2 49.9 1.0 OE1 A:GLN11 4.3 53.8 1.0 CB A:ASP98 4.3 57.6 1.0 OD2 A:ASP98 4.3 52.1 1.0 CD A:GLU71 4.3 53.0 1.0 NZ B:LYS252 4.4 68.5 1.0 O3G A:GTP501 4.6 31.6 1.0 CG A:ASP69 4.6 57.5 1.0 CG A:ASP98 4.6 55.9 1.0 N A:GLN11 4.6 45.6 1.0 O2B A:GTP501 4.7 51.9 1.0 O1A A:GTP501 4.8 42.9 1.0 CA A:GLN11 5.0 50.2 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:29.4 occ:1.00 OE1 B:GLN11 2.5 58.5 1.0 O1A B:GDP501 2.6 43.5 1.0 OD2 B:ASP177 3.5 51.0 1.0 CD B:GLN11 3.8 62.8 1.0 OE1 C:GLU254 3.8 64.0 1.0 PA B:GDP501 3.9 33.5 1.0 OD1 B:ASN99 4.0 50.7 1.0 O3A B:GDP501 4.1 39.6 1.0 CG B:ASP177 4.5 44.8 1.0 ND2 B:ASN99 4.6 49.0 1.0 NE2 B:GLN11 4.6 52.5 1.0 C5' B:GDP501 4.6 44.8 1.0 CB B:GLN11 4.6 58.4 1.0 O5' B:GDP501 4.7 37.8 1.0 CD C:GLU254 4.7 62.0 1.0 CG B:ASN99 4.7 47.3 1.0 CG B:GLN11 4.8 63.3 1.0 OE2 C:GLU254 4.9 62.6 1.0 CB B:ASP177 5.0 36.8 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:33.7 occ:1.00 O1G C:GTP501 2.3 45.5 1.0 O1B C:GTP501 2.4 37.0 1.0 OE2 C:GLU71 3.2 44.4 1.0 PG C:GTP501 3.6 34.4 1.0 PB C:GTP501 3.7 33.9 1.0 CG C:GLU71 3.8 49.7 1.0 O2G C:GTP501 4.0 48.5 1.0 CD C:GLU71 4.0 44.1 1.0 NZ D:LYS252 4.0 50.9 1.0 OD2 C:ASP69 4.0 48.4 1.0 OD1 C:ASP69 4.0 45.9 1.0 OD2 C:ASP98 4.1 58.5 1.0 OE1 C:GLN11 4.1 48.8 1.0 O3B C:GTP501 4.2 29.4 1.0 CB C:ASP98 4.2 45.9 1.0 CB C:GLN11 4.2 47.0 1.0 O3A C:GTP501 4.4 38.2 1.0 CG C:ASP69 4.4 47.3 1.0 CG C:ASP98 4.6 49.2 1.0 N C:GLN11 4.7 39.6 1.0 O3G C:GTP501 4.8 40.5 1.0 O2B C:GTP501 4.9 38.2 1.0 CA C:GLN11 5.0 42.9 1.0

T.Lun, W.Yuxi. Crystal Structure of T2R-Tt Complex To Be Published.