Calcium in PDB 5bn2: Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A

The structure of Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A, PDB code: 5bn2 was solved by G.Fischer, U.Kosinska Eriksson, K.Hedfalk, R.Neutze, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.49 / 1.30
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	92.487, 92.487, 81.191, 90.00, 90.00, 90.00
R / Rfree (%)	11.4 / 14.3

The structure of Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Calcium atom in the Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A (pdb code 5bn2). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A, PDB code: 5bn2:

Calcium binding site 1 out of 1 in the Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca304 b:25.2 occ:1.00 O A:HOH488 2.2 69.0 1.0 O A:THR152 2.3 20.6 1.0 O A:HOH415 2.3 28.4 1.0 O A:GLY154 2.4 26.7 1.0 O A:SER149 2.4 19.9 1.0 O A:HOH417 2.4 23.7 1.0 C A:SER149 3.5 16.1 1.0 C A:THR152 3.5 16.4 1.0 HA A:SER149 3.6 16.4 1.0 C A:GLY154 3.6 25.2 1.0 H A:THR152 3.9 16.9 1.0 N A:GLY154 3.9 27.0 1.0 OG1 A:THR152 3.9 18.4 1.0 C A:PRO153 4.0 23.2 1.0 H A:GLY154 4.0 27.1 1.0 HA A:PRO153 4.1 20.2 1.0 CA A:SER149 4.1 16.8 1.0 OG A:SER149 4.2 24.6 1.0 O A:PRO153 4.2 24.8 1.0 CA A:PRO153 4.3 20.3 1.0 N A:PRO153 4.4 18.1 1.0 CA A:GLY154 4.4 31.9 1.0 HG1 A:THR152 4.4 17.9 0.0 CA A:THR152 4.4 16.0 1.0 HA A:ALA150 4.5 18.6 1.0 N A:THR152 4.5 17.0 1.0 HA A:GLU155 4.5 25.5 1.0 N A:ALA150 4.7 16.5 1.0 N A:GLU155 4.7 24.2 1.0 CB A:THR152 4.7 17.4 1.0 CB A:SER149 4.7 18.9 1.0 HG13 A:ILE156 4.8 24.1 1.0 C A:GLU155 4.9 21.2 1.0 HG A:SER149 4.9 23.1 0.0 CA A:GLU155 4.9 24.9 1.0 HE22 A:GLN67 4.9 18.4 1.0 CA A:ALA150 4.9 19.1 1.0 O A:ALA148 5.0 16.9 1.0 HB A:THR152 5.0 17.5 1.0 HA3 A:GLY154 5.0 30.3 1.0

G.Fischer, C.Aponte Santamaria, U.Kosinska Eriksson, K.Hedfalk, B.Degroot, R.Neutze. Room Temperature Structure of Pichia Pastoris Aquaporin at 1.3 A To Be Published.