Calcium in PDB 8cqp: Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration)

The structure of Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration), PDB code: 8cqp was solved by M.Liutkus, A.L.Rojas, A.L.Cortajarena, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	57.97 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	66.448, 70.249, 102.619, 90, 90, 90
R / Rfree (%)	20.1 / 23.9

The structure of Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration) also contains other interesting chemical elements:

Chlorine

(Cl)

5 atoms

The binding sites of Calcium atom in the Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration) (pdb code 8cqp). 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 An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration), PDB code: 8cqp:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration)


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 An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration) within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca304 b:27.5 occ:0.50 O C:ARG101 2.4 27.9 1.0 O A:HOH426 2.4 33.5 1.0 O C:HOH409 2.4 36.7 1.0 O A:HOH430 2.5 39.5 1.0 O C:HOH416 2.5 31.2 1.0 OD1 A:ASP52 2.5 42.2 1.0 O C:HOH424 2.5 35.4 1.0 C C:ARG101 3.3 28.5 1.0 CG A:ASP52 3.6 38.7 1.0 CB C:ARG101 4.0 28.8 1.0 O A:HOH444 4.1 40.4 1.0 N C:SER102 4.1 28.9 1.0 CB A:ASP52 4.1 34.4 1.0 CA C:SER102 4.2 27.8 1.0 CA C:ARG101 4.2 29.2 1.0 CA A:ASP52 4.4 32.1 1.0 N C:ALA103 4.4 32.3 1.0 OD2 A:ASP52 4.6 38.9 1.0 OD1 C:ASP99 4.6 31.7 1.0 O A:ASP52 4.6 29.4 1.0 OD2 C:ASP99 4.7 32.6 1.0 C C:SER102 4.8 31.5 1.0 OE1 C:GLU104 4.9 38.1 1.0 C A:ASP52 5.0 29.9 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration)


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 An 8-Repeat Consensus Tpr Superhelix with Calcium (Low Concentration) within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca305 b:27.8 occ:1.00 O C:HOH420 2.3 29.3 1.0 NE2 C:GLN82 2.3 25.4 1.0 OD2 C:ASP52 2.5 30.3 1.0 OD1 C:ASP52 2.7 28.1 1.0 CG C:ASP52 2.9 29.5 1.0 CD C:GLN82 3.5 32.4 1.0 OE1 C:GLN82 3.9 35.6 1.0 O C:HOH425 4.3 44.2 1.0 CB C:ASP52 4.4 30.0 1.0 O C:HOH415 4.6 36.6 1.0 CG C:GLN82 4.7 33.7 1.0 O C:HOH427 4.8 30.6 1.0 CB C:GLN82 4.9 32.5 1.0 OD2 C:ASP84 5.0 33.7 1.0

M.Liutkus, A.L.Rojas, I.R.Sasselli, A.L.Cortajarena. Diverse Crystalline Protein Scaffolds Through Metal-Dependent Polymorphism. To Be Published.