Calcium in PDB 1zh2: Crystal Structure of the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe

The structure of Crystal Structure of the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe, PDB code: 1zh2 was solved by A.Toro-Roman, T.Wu, A.M.Stock, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.00
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	70.372, 127.162, 65.207, 90.00, 90.00, 90.00
R / Rfree (%)	19.3 / 24.2

The binding sites of Calcium atom in the Crystal Structure of the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe (pdb code 1zh2). 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 the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe, PDB code: 1zh2:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe


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 the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca202 b:40.9 occ:1.00 OD1 A:ASP9 2.4 29.7 1.0 O A:HOH223 2.4 29.8 1.0 O A:GLY54 2.4 31.0 1.0 O A:HOH203 2.8 17.8 1.0 OD1 A:ASP52 3.2 25.7 1.0 C A:GLY54 3.5 29.8 1.0 CG A:ASP9 3.5 30.8 1.0 CG A:ASP52 3.6 28.6 1.0 OE2 A:GLU8 3.7 32.0 1.0 OD2 A:ASP52 3.8 30.3 1.0 OD2 A:ASP9 3.9 34.2 1.0 CA A:GLY54 4.0 29.9 1.0 N A:GLY54 4.3 26.4 1.0 N A:LEU55 4.5 31.4 1.0 O A:HOH210 4.6 27.1 1.0 CB A:ASP52 4.6 24.3 1.0 N A:ASP9 4.7 22.2 1.0 N A:GLU10 4.7 28.9 1.0 CB A:ASP9 4.8 28.1 1.0 CD A:GLU8 4.8 30.0 1.0 CA A:LEU55 4.8 32.2 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe


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 the Calcium-Bound Receiver Domain of Kdp Potassium Transport System Response Regulator Kdpe within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca201 b:17.6 occ:1.00 O B:GLY54 2.2 18.4 1.0 OD1 B:ASP9 2.3 19.6 1.0 OD2 B:ASP52 2.4 18.4 1.0 O B:HOH202 2.4 14.9 1.0 O B:HOH204 2.5 22.8 1.0 O B:HOH203 2.5 21.3 1.0 OE1 B:GLU8 2.5 19.3 1.0 CG B:ASP52 3.3 18.8 1.0 C B:GLY54 3.4 17.6 1.0 CG B:ASP9 3.4 19.9 1.0 CD B:GLU8 3.6 19.7 1.0 OD2 B:ASP9 3.8 17.0 1.0 OE2 B:GLU8 3.9 18.7 1.0 CA B:GLY54 4.1 18.1 1.0 OD1 B:ASP52 4.1 18.5 1.0 O B:HOH227 4.2 27.7 1.0 CB B:ASP52 4.2 18.4 1.0 N B:GLY54 4.3 18.0 1.0 CB B:GLU10 4.5 20.3 1.0 O B:HOH232 4.5 29.9 1.0 N B:ASP9 4.5 18.7 1.0 N B:LEU55 4.5 17.1 1.0 N B:GLU10 4.5 20.8 1.0 OE1 B:GLU10 4.6 22.3 1.0 CD2 B:LEU55 4.7 15.6 1.0 CB B:ASP9 4.8 18.6 1.0 CA B:LEU55 4.8 16.9 1.0 CG B:GLU8 4.9 20.3 1.0

A.Toro-Roman, T.Wu, A.M.Stock. A Common Dimerization Interface in Bacterial Response Regulators Kdpe and Torr. Protein Sci. V. 14 3077 2005.
ISSN: ISSN 0961-8368
PubMed: 16322582
DOI: 10.1110/PS.051722805