Calcium in PDB 5z4u: Crystal Structure of T2R-Ttl Complex with 7A3

The structure of Crystal Structure of T2R-Ttl Complex with 7A3, PDB code: 5z4u was solved by Q.Lai, Y.Wang, J.Yang, Y.Yao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	119.44 / 3.18
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.491, 158.233, 182.099, 90.00, 90.00, 90.00
R / Rfree (%)	18.8 / 23.5

The structure of Crystal Structure of T2R-Ttl Complex with 7A3 also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Calcium atom in the Crystal Structure of T2R-Ttl Complex with 7A3 (pdb code 5z4u). 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 Complex with 7A3, PDB code: 5z4u:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Crystal Structure of T2R-Ttl Complex with 7A3


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 Complex with 7A3 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:94.7 occ:1.00 OE2 A:GLU55 2.3 65.0 1.0 OG1 A:THR41 2.5 99.8 1.0 OD1 A:ASP39 2.5 73.0 1.0 O A:GLY44 2.8 73.2 1.0 O A:THR41 3.0 87.1 1.0 CD A:GLU55 3.3 65.5 1.0 CG A:ASP39 3.3 76.5 1.0 OD2 A:ASP39 3.3 79.7 1.0 OE1 A:GLU55 3.5 65.9 1.0 C A:GLY44 3.7 75.5 1.0 OD1 A:ASN50 3.7 71.0 1.0 CB A:THR41 3.7 91.9 1.0 CA A:GLY45 3.9 78.8 1.0 C A:THR41 4.0 87.2 1.0 N A:GLY45 4.1 75.6 1.0 OD2 A:ASP47 4.3 70.0 1.0 CZ A:PHE49 4.3 80.4 1.0 CA A:THR41 4.3 89.7 1.0 CG A:ASN50 4.5 69.6 1.0 ND2 A:ASN50 4.5 67.9 1.0 CG A:ASP47 4.6 75.2 1.0 N A:THR41 4.6 87.8 1.0 CG A:GLU55 4.6 65.8 1.0 C A:GLY45 4.7 81.3 1.0 CB A:ASP39 4.7 78.5 1.0 OD1 A:ASP47 4.7 76.7 1.0 CA A:GLY44 4.8 77.0 1.0 CG2 A:THR41 4.9 90.0 1.0 N A:GLY44 4.9 77.9 1.0 CE1 A:PHE49 4.9 81.1 1.0

Calcium binding site 2 out of 3 in the Crystal Structure of T2R-Ttl Complex with 7A3


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 Complex with 7A3 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca504 b:75.9 occ:1.00 OE1 B:GLU111 2.6 72.3 1.0 CD B:GLU111 3.5 70.0 1.0 OE2 B:GLU111 3.7 73.8 1.0 OE1 B:GLU108 4.2 43.4 1.0 CG B:GLU111 4.9 65.0 1.0

Calcium binding site 3 out of 3 in the Crystal Structure of T2R-Ttl Complex with 7A3


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 Complex with 7A3 within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca503 b:70.7 occ:1.00 OE2 C:GLU55 2.2 54.0 1.0 OG1 C:THR41 2.2 79.1 1.0 OD1 C:ASP39 2.5 67.2 1.0 O C:GLY44 2.8 68.7 1.0 OD2 C:ASP39 2.8 63.5 1.0 CG C:ASP39 3.1 65.2 1.0 O C:THR41 3.1 67.3 1.0 CD C:GLU55 3.1 53.5 1.0 OD2 C:ASP47 3.4 57.1 1.0 OE1 C:GLU55 3.4 53.4 1.0 CB C:THR41 3.6 74.5 1.0 C C:GLY44 3.6 67.4 1.0 CA C:GLY45 3.6 64.8 1.0 OD1 C:ASN50 3.9 48.2 1.0 N C:GLY45 4.0 64.8 1.0 C C:THR41 4.0 68.6 1.0 CA C:THR41 4.2 72.0 1.0 CZ C:PHE49 4.4 52.0 1.0 CG C:GLU55 4.5 52.7 1.0 N C:THR41 4.5 71.9 1.0 ND2 C:ASN50 4.5 49.2 1.0 CE1 C:PHE49 4.6 51.5 1.0 CB C:ASP39 4.6 67.0 1.0 CG C:ASP47 4.6 55.9 1.0 CG2 C:THR41 4.6 74.3 1.0 C C:GLY45 4.6 65.6 1.0 CG C:ASN50 4.7 47.9 1.0 CA C:GLY44 4.8 69.6 1.0 NE2 C:HIS61 4.9 53.9 1.0

Q.Lai, Y.Wang, J.Yang, Y.Yao. Crystal Structure of T2R-Ttl Complex with 7A3 To Be Published.