Calcium in PDB 6ah4: Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion

The structure of Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion, PDB code: 6ah4 was solved by M.Hattori, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.05 / 3.30
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	110.903, 142.500, 325.336, 90.00, 90.00, 90.00
R / Rfree (%)	24 / 29

The binding sites of Calcium atom in the Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion (pdb code 6ah4). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion, PDB code: 6ah4:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca408 b:0.0 occ:1.00 OD2 A:ASP158 2.0 0.4 1.0 O1G A:ATP402 2.3 0.6 1.0 CG A:ASP158 2.7 0.3 1.0 CB A:ASP158 3.4 0.2 1.0 PG A:ATP402 3.4 0.2 1.0 OD1 A:ASP158 3.4 0.5 1.0 O2G A:ATP402 3.7 0.5 1.0 O2B A:ATP402 4.3 0.9 1.0 O3G A:ATP402 4.4 0.3 1.0 O3B A:ATP402 4.5 0.8 1.0 NH1 A:ARG281 4.8 0.9 1.0 NH2 A:ARG281 4.8 0.1 1.0 CA A:ASP158 4.9 0.5 1.0 NZ A:LYS299 4.9 0.3 1.0 PB A:ATP402 4.9 0.7 1.0

Calcium binding site 2 out of 3 in the Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca408 b:0.2 occ:1.00 OD2 B:ASP158 2.8 0.9 1.0 O3G A:ATP401 2.9 0.4 1.0 O1G A:ATP401 3.0 0.8 1.0 CG B:ASP158 3.5 0.8 1.0 PG A:ATP401 3.5 0.9 1.0 CB B:ASP158 3.6 0.9 1.0 CG B:GLU111 4.2 0.1 1.0 OE2 B:GLU111 4.5 0.7 1.0 OD1 B:ASP158 4.6 0.6 1.0 O1B A:ATP401 4.6 0.5 1.0 O3B A:ATP401 4.6 0.2 1.0 O2G A:ATP401 4.7 0.3 1.0 CD B:GLU111 4.8 0.2 1.0

Calcium binding site 3 out of 3 in the Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Structure of Human P2X3 Receptor in Complex with Atp and CA2+ Ion within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca407 b:0.3 occ:1.00 OD2 C:ASP158 2.4 0.7 1.0 CG C:ASP158 3.1 0.3 1.0 O3G B:ATP407 3.1 0.5 1.0 CB C:ASP158 3.2 0.2 1.0 OD1 C:ASP158 4.2 0.6 1.0 PG B:ATP407 4.2 0.3 1.0 O1G B:ATP407 4.5 0.8 1.0 CA C:ASP158 4.7 0.2 1.0 O2G B:ATP407 4.9 0.1 1.0

M.Hattori, M.Hattori. N/A N/A.