Calcium in PDB 5xp3: Crystal Structure of Apo T2R-Ttl

The structure of Crystal Structure of Apo T2R-Ttl, PDB code: 5xp3 was solved by Y.Wang, J.Yang, T.Wang, L.Chen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.30
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.168, 157.964, 181.408, 90.00, 90.00, 90.00
R / Rfree (%)	18.9 / 24

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

Magnesium

(Mg)

4 atoms

The binding sites of Calcium atom in the Crystal Structure of Apo T2R-Ttl (pdb code 5xp3). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Apo T2R-Ttl, PDB code: 5xp3:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Apo T2R-Ttl


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 Apo T2R-Ttl within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:66.7 occ:1.00 OD2 A:ASP39 2.3 67.8 1.0 O A:GLY44 2.3 60.5 1.0 OD1 A:ASP39 2.5 61.9 1.0 O A:THR41 2.5 81.7 1.0 OE2 A:GLU55 2.7 63.1 1.0 OE1 A:GLU55 2.7 72.1 1.0 CG A:ASP39 2.7 67.4 1.0 OG1 A:THR41 2.8 67.3 1.0 CD A:GLU55 3.1 72.6 1.0 C A:THR41 3.5 79.3 1.0 C A:GLY44 3.5 69.3 1.0 CB A:THR41 3.7 75.5 1.0 CA A:THR41 4.0 77.9 1.0 N A:THR41 4.2 77.8 1.0 CA A:GLY45 4.2 76.8 1.0 CB A:ASP39 4.3 68.3 1.0 CZ A:PHE49 4.3 63.4 1.0 N A:GLY45 4.3 69.1 1.0 NE2 A:HIS61 4.5 74.7 1.0 O A:HOH643 4.5 61.9 1.0 N A:GLY44 4.5 67.8 1.0 CG A:GLU55 4.6 71.2 1.0 CA A:GLY44 4.6 72.4 1.0 OD2 A:ASP47 4.6 76.4 1.0 OD1 A:ASN50 4.7 73.2 1.0 N A:ILE42 4.7 82.3 1.0 ND2 A:ASN50 4.8 65.9 1.0 CE1 A:PHE49 4.8 64.2 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Apo T2R-Ttl


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 Apo T2R-Ttl within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca503 b:49.9 occ:1.00 O C:HOH623 2.4 49.8 1.0 O C:THR41 2.4 61.3 1.0 OE1 C:GLU55 2.4 48.2 1.0 O C:GLY44 2.4 53.4 1.0 OD2 C:ASP39 2.4 51.1 1.0 OG1 C:THR41 2.4 56.2 1.0 OE2 C:GLU55 2.5 51.5 1.0 OD1 C:ASP39 2.6 51.2 1.0 CD C:GLU55 2.8 49.6 1.0 CG C:ASP39 2.9 53.8 1.0 C C:THR41 3.4 58.1 1.0 C C:GLY44 3.5 57.8 1.0 CB C:THR41 3.5 62.0 1.0 CA C:THR41 3.9 56.2 1.0 CA C:GLY45 4.2 58.0 1.0 N C:THR41 4.2 60.8 1.0 N C:GLY45 4.2 59.0 1.0 CG C:GLU55 4.3 44.5 1.0 O C:HOH602 4.4 46.0 1.0 CB C:ASP39 4.4 52.9 1.0 N C:GLY44 4.5 56.8 1.0 OD1 C:ASN50 4.6 42.8 1.0 CA C:GLY44 4.6 56.1 1.0 OD2 C:ASP47 4.6 59.6 1.0 N C:ILE42 4.6 58.0 1.0 NE2 C:HIS61 4.6 45.0 1.0 CZ C:PHE49 4.7 48.4 1.0 CE1 C:PHE49 4.8 47.5 1.0 CG2 C:THR41 4.9 54.2 1.0

Y.Jianhong, Y.Wei, Y.Yamei, W.Yuxi, Y.Tao, X.Linlin, Y.Xue, L.Caofeng, L.Zuowei, C.Xiaoxin, H.Mengshi, Z.Li, Q.Qiang, P.Heying, L.Dan, W.Fang, B.Peng, W.Jiaolin, Y.Haoyu, C.Lijuan. The Compound Millepachine and Its Derivatives Inhibit Tubulin Polymerization By Irreversibly Binding to the Colchicine-Binding Site in Beta-Tubulin. J. Biol. Chem. 2018.
ISSN: ESSN 1083-351X
PubMed: 29691282
DOI: 10.1074/JBC.RA117.001658