Calcium in PDB 7cpq: Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex

The structure of Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex, PDB code: 7cpq was solved by H.Jiang, C.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.90 / 2.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	104.877, 156.616, 182.624, 90, 90, 90
R / Rfree (%)	22 / 26.7

The structure of Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex also contains other interesting chemical elements:

Magnesium	(Mg)	5 atoms
Chlorine	(Cl)	1 atom

The binding sites of Calcium atom in the Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex (pdb code 7cpq). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex, PDB code: 7cpq:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:68.1 occ:1.00 OD2 A:ASP39 2.2 67.0 1.0 OG1 A:THR41 2.2 73.9 1.0 OD1 A:ASP39 2.2 68.5 1.0 OE2 A:GLU55 2.3 66.4 1.0 O A:GLY44 2.4 69.9 1.0 O A:THR41 2.5 71.4 1.0 CG A:ASP39 2.5 67.4 1.0 CD A:GLU55 3.0 66.5 1.0 OE1 A:GLU55 3.1 67.7 1.0 C A:THR41 3.5 73.0 1.0 CB A:THR41 3.5 72.8 1.0 C A:GLY44 3.6 70.0 1.0 CA A:THR41 3.9 73.6 1.0 CB A:ASP39 4.0 66.6 1.0 N A:THR41 4.1 72.8 1.0 CA A:GLY45 4.2 68.7 1.0 CZ A:PHE49 4.3 62.5 1.0 N A:GLY45 4.3 69.5 1.0 N A:GLY44 4.4 71.3 1.0 OD2 A:ASP47 4.4 65.8 1.0 OD1 A:ASN50 4.4 64.3 1.0 CG A:GLU55 4.5 65.3 1.0 NE2 A:HIS61 4.5 64.3 1.0 CG2 A:THR41 4.6 73.3 1.0 CA A:GLY44 4.6 70.9 1.0 N A:ILE42 4.6 74.4 1.0 CA A:ASP39 4.8 67.5 1.0 C A:ASP39 5.0 69.7 1.0 CE2 A:PHE49 5.0 62.2 1.0

Calcium binding site 2 out of 3 in the Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca504 b:119.4 occ:1.00 OE1 B:GLU113 2.9 58.0 1.0 OE2 B:GLU110 3.5 29.0 1.0 CD B:GLU113 3.9 47.0 1.0 OE1 B:GLU110 4.0 37.0 1.0 CD B:GLU110 4.1 28.6 1.0 OE2 B:GLU113 4.2 55.5 1.0

Calcium binding site 3 out of 3 in the Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca505 b:92.8 occ:1.00 O C:TYR282 4.1 50.4 1.0 O C:GLU279 4.4 49.7 1.0 NZ C:LYS280 4.8 50.0 1.0 O C:LYS280 4.8 50.7 1.0

H.Jiang, C.Luo. Crystal Structure of T2R-Ttl-(+)-6-Cl-JP18 Complex To Be Published.