Calcium in PDB 1ahr: Calmodulin Mutant with A Two Residue Deletion in the Central Helix

The structure of Calmodulin Mutant with A Two Residue Deletion in the Central Helix, PDB code: 1ahr was solved by L.Tabernero, J.Sack, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	27.090, 55.510, 100.890, 90.00, 90.00, 90.00
R / Rfree (%)	21.1 / n/a

The binding sites of Calcium atom in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix (pdb code 1ahr). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix, PDB code: 1ahr:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calmodulin Mutant with A Two Residue Deletion in the Central Helix within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca149 b:18.1 occ:1.00 O A:THR26 2.1 11.7 1.0 OD1 A:ASP20 2.1 20.7 1.0 OE1 A:GLU31 2.4 11.2 1.0 OD1 A:ASP24 2.5 23.4 1.0 OE2 A:GLU31 2.5 12.3 1.0 OD1 A:ASP22 2.7 31.7 1.0 CD A:GLU31 2.7 8.9 1.0 CG A:ASP20 3.3 20.5 1.0 C A:THR26 3.3 9.6 1.0 CG A:ASP24 3.5 25.0 1.0 CG A:ASP22 3.8 28.5 1.0 OD2 A:ASP24 4.0 24.8 1.0 N A:THR26 4.0 9.4 1.0 OD2 A:ASP22 4.1 31.9 1.0 CA A:ASP20 4.1 25.9 1.0 OD2 A:ASP20 4.1 18.9 1.0 OG1 A:THR26 4.1 20.9 1.0 CB A:ASP20 4.1 23.4 1.0 CG A:GLU31 4.2 12.1 1.0 N A:ILE27 4.2 14.1 1.0 CA A:THR26 4.3 9.4 1.0 N A:ASP24 4.3 22.8 1.0 CA A:ILE27 4.3 12.9 1.0 C A:ASP20 4.5 28.7 1.0 N A:LYS21 4.7 29.4 1.0 CB A:ASP24 4.7 24.6 1.0 N A:ASP22 4.7 24.3 1.0 N A:GLY23 4.7 27.3 1.0 CG2 A:THR28 4.8 13.5 1.0 N A:GLY25 4.8 12.8 1.0 N A:THR28 4.8 16.5 1.0 CB A:THR26 4.9 14.8 1.0 CA A:ASP24 4.9 19.5 1.0

Calcium binding site 2 out of 4 in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calmodulin Mutant with A Two Residue Deletion in the Central Helix within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca150 b:15.8 occ:1.00 O A:HOH202 2.0 34.0 1.0 OD1 A:ASN60 2.2 22.5 1.0 OE2 A:GLU67 2.3 15.5 1.0 O A:THR62 2.4 15.2 1.0 OD1 A:ASP56 2.4 26.9 1.0 OD1 A:ASP58 2.4 19.8 1.0 OE1 A:GLU67 2.6 14.9 1.0 CD A:GLU67 2.8 11.7 1.0 CG A:ASN60 3.2 22.7 1.0 CG A:ASP58 3.3 16.9 1.0 CG A:ASP56 3.5 25.6 1.0 C A:THR62 3.6 17.3 1.0 ND2 A:ASN60 3.7 24.9 1.0 OD2 A:ASP58 3.7 19.9 1.0 N A:THR62 4.3 22.1 1.0 N A:ASN60 4.3 20.6 1.0 CG A:GLU67 4.3 13.5 1.0 CA A:ASP56 4.3 20.7 1.0 OD2 A:ASP56 4.3 24.0 1.0 O A:HOH206 4.3 37.9 1.0 CB A:ASN60 4.3 22.0 1.0 CA A:ILE63 4.4 9.4 1.0 N A:ASP58 4.4 16.7 1.0 CB A:ASP56 4.4 21.2 1.0 N A:ILE63 4.4 13.1 1.0 N A:ASP64 4.5 10.5 1.0 OD2 A:ASP64 4.5 21.4 1.0 CB A:ASP58 4.6 17.5 1.0 CA A:THR62 4.6 17.2 1.0 C A:ASP56 4.6 23.2 1.0 CG A:ASP64 4.7 16.0 1.0 O A:HOH270 4.7 28.6 1.0 N A:ALA57 4.8 21.9 1.0 CA A:ASN60 4.8 20.9 1.0 N A:GLY59 4.8 20.9 1.0 N A:GLY61 4.8 23.4 1.0 CA A:ASP58 4.8 16.5 1.0 OD1 A:ASP64 4.9 13.8 1.0 C A:ILE63 4.9 7.8 1.0 C A:ASP58 4.9 19.1 1.0

Calcium binding site 3 out of 4 in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Calmodulin Mutant with A Two Residue Deletion in the Central Helix within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca151 b:24.2 occ:1.00 OD1 A:ASN97 1.9 34.7 1.0 O A:PHE99 2.1 11.0 1.0 OD1 A:ASP93 2.3 22.1 1.0 OD1 A:ASP95 2.5 29.3 1.0 OE1 A:GLU104 2.5 26.7 1.0 OE2 A:GLU104 2.6 27.2 1.0 O A:HOH254 2.8 28.1 1.0 CD A:GLU104 2.8 22.9 1.0 CG A:ASN97 3.2 27.3 1.0 C A:PHE99 3.4 17.2 1.0 CG A:ASP93 3.5 28.6 1.0 CG A:ASP95 3.6 23.6 1.0 OD2 A:ASP95 4.0 22.2 1.0 ND2 A:ASN97 4.0 25.2 1.0 N A:PHE99 4.1 19.0 1.0 N A:ASN97 4.2 22.7 1.0 CA A:ASP93 4.2 26.0 1.0 CB A:ASN97 4.2 27.5 1.0 CG A:GLU104 4.2 22.3 1.0 CA A:PHE99 4.3 18.0 1.0 N A:ASP95 4.3 26.6 1.0 CB A:ASP93 4.3 29.2 1.0 N A:ILE100 4.4 19.4 1.0 OD2 A:ASP93 4.4 25.8 1.0 C A:ASP93 4.4 26.5 1.0 CA A:ILE100 4.5 19.4 1.0 CA A:ASN97 4.6 21.4 1.0 CB A:PHE99 4.6 20.9 1.0 N A:GLY96 4.7 28.0 1.0 N A:LYS94 4.7 26.2 1.0 CB A:ASP95 4.7 25.9 1.0 N A:GLY98 4.8 21.3 1.0 O A:ASP93 4.8 31.4 1.0 N A:SER101 4.8 16.6 1.0 CA A:ASP95 4.9 28.5 1.0 C A:ASN97 4.9 23.8 1.0 C A:ASP95 5.0 28.4 1.0

Calcium binding site 4 out of 4 in the Calmodulin Mutant with A Two Residue Deletion in the Central Helix


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Calmodulin Mutant with A Two Residue Deletion in the Central Helix within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca152 b:25.8 occ:1.00 O A:GLN135 2.0 23.6 1.0 OD1 A:ASP133 2.2 44.5 1.0 OD1 A:ASP129 2.2 37.3 1.0 OD1 A:ASP131 2.3 31.9 1.0 OE2 A:GLU140 2.3 23.8 1.0 OE1 A:GLU140 2.5 23.7 1.0 CD A:GLU140 2.7 22.4 1.0 CG A:ASP133 3.0 41.1 1.0 OD2 A:ASP133 3.1 44.2 1.0 C A:GLN135 3.2 19.1 1.0 CG A:ASP131 3.4 31.1 1.0 CG A:ASP129 3.4 36.3 1.0 OD2 A:ASP131 3.8 32.5 1.0 N A:GLN135 4.1 24.4 1.0 N A:VAL136 4.1 19.5 1.0 CA A:GLN135 4.1 23.4 1.0 CA A:ASP129 4.2 38.4 1.0 OD2 A:ASP129 4.2 33.4 1.0 CB A:ASP129 4.2 37.0 1.0 CG A:GLU140 4.3 22.3 1.0 CA A:VAL136 4.4 18.4 1.0 N A:ASP131 4.4 35.0 1.0 O A:ASP131 4.4 38.9 1.0 CB A:ASP133 4.4 35.1 1.0 N A:ASP133 4.5 31.9 1.0 N A:ILE130 4.5 37.6 1.0 CB A:GLN135 4.6 26.3 1.0 C A:ASP131 4.6 36.3 1.0 CB A:ASP131 4.7 30.4 1.0 C A:ASP129 4.7 39.1 1.0 N A:ASN137 4.7 20.1 1.0 CA A:ASP131 4.8 35.7 1.0 CA A:ASP133 4.9 30.6 1.0 ND2 A:ASN137 4.9 24.3 1.0 N A:GLY134 4.9 27.5 1.0

L.Tabernero, D.A.Taylor, R.J.Chandross, M.F.Vanberkum, A.R.Means, F.A.Quiocho, J.S.Sack. The Structure of A Calmodulin Mutant with A Deletion in the Central Helix: Implications For Molecular Recognition and Protein Binding. Structure V. 5 613 1997.
ISSN: ISSN 0969-2126
PubMed: 9195880
DOI: 10.1016/S0969-2126(97)00217-7