Calcium in PDB 1osa: Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution

The structure of Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution, PDB code: 1osa was solved by M.Sundaralingam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	N/A / 1.68
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	29.890, 53.420, 25.350, 93.67, 96.88, 89.24
R / Rfree (%)	19.4 / n/a

The binding sites of Calcium atom in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution (pdb code 1osa). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution, PDB code: 1osa:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution


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 Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca149 b:3.6 occ:1.00 O A:THR26 2.1 2.0 1.0 OD1 A:ASP24 2.3 13.7 1.0 OD1 A:ASP20 2.3 2.0 1.0 OE1 A:GLU31 2.4 6.2 1.0 OD1 A:ASP22 2.5 13.8 1.0 OE2 A:GLU31 2.5 5.4 1.0 O A:HOH153 2.6 10.2 1.0 CD A:GLU31 2.8 11.2 1.0 CG A:ASP24 3.3 11.9 1.0 C A:THR26 3.4 2.0 1.0 CG A:ASP20 3.4 6.8 1.0 CG A:ASP22 3.6 15.0 1.0 OD2 A:ASP24 4.0 8.0 1.0 OG1 A:THR26 4.0 9.2 1.0 CA A:ASP20 4.1 4.3 1.0 N A:THR26 4.1 2.0 1.0 CB A:ASP20 4.2 5.5 1.0 N A:ASP24 4.2 6.2 1.0 OD2 A:ASP20 4.2 9.8 1.0 OD2 A:ASP22 4.3 16.9 1.0 CA A:THR26 4.3 5.1 1.0 CB A:ASP24 4.3 8.5 1.0 N A:ASP22 4.3 12.5 1.0 CG A:GLU31 4.3 10.7 1.0 C A:ASP20 4.4 9.6 1.0 N A:ILE27 4.4 4.6 1.0 N A:GLY23 4.5 11.8 1.0 CA A:ILE27 4.5 3.7 1.0 N A:LYS21 4.5 9.9 1.0 O A:HOH229 4.6 35.5 1.0 O A:HOH200 4.7 27.0 1.0 CB A:ASP22 4.7 11.8 1.0 CA A:ASP24 4.8 3.5 1.0 N A:GLY25 4.8 2.2 1.0 CB A:THR26 4.8 3.9 1.0 CA A:ASP22 4.8 14.3 1.0 O A:ASP20 4.9 12.7 1.0 C A:ASP22 4.9 11.9 1.0

Calcium binding site 2 out of 4 in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution


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 Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca150 b:7.8 occ:1.00 O A:THR62 2.2 8.2 1.0 OD1 A:ASP58 2.2 10.9 1.0 OD1 A:ASP56 2.2 10.5 1.0 O A:HOH157 2.2 34.3 1.0 OD1 A:ASN60 2.3 14.2 1.0 OE1 A:GLU67 2.4 6.5 1.0 OE2 A:GLU67 2.6 5.4 1.0 CD A:GLU67 2.9 9.4 1.0 CG A:ASP58 3.2 15.9 1.0 CG A:ASN60 3.3 18.3 1.0 CG A:ASP56 3.4 15.1 1.0 C A:THR62 3.4 3.4 1.0 OD2 A:ASP58 3.6 16.8 1.0 O A:HOH201 3.7 17.1 1.0 ND2 A:ASN60 3.9 12.2 1.0 OD2 A:ASP56 4.2 16.0 1.0 N A:ASN60 4.2 17.6 1.0 N A:ASP58 4.3 21.6 1.0 N A:ILE63 4.4 8.1 1.0 CG A:GLU67 4.4 9.2 1.0 N A:THR62 4.4 8.6 1.0 CB A:ASP56 4.4 14.6 1.0 CA A:ASP56 4.4 14.7 1.0 CB A:ASP58 4.4 15.4 1.0 CA A:ILE63 4.4 5.6 1.0 N A:GLY59 4.5 18.9 1.0 CB A:ASN60 4.5 15.5 1.0 CA A:THR62 4.5 9.6 1.0 C A:ASP56 4.6 15.8 1.0 N A:ALA57 4.6 15.2 1.0 N A:ASP64 4.7 8.3 1.0 OD2 A:ASP64 4.7 15.3 1.0 CA A:ASP58 4.7 20.3 1.0 O A:HOH158 4.7 27.3 1.0 OG1 A:THR62 4.8 9.4 1.0 CA A:ASN60 4.8 15.1 1.0 C A:ASP58 4.8 20.3 1.0 CG A:ASP64 4.9 9.3 1.0 N A:GLY61 4.9 10.2 1.0 C A:ILE63 5.0 5.3 1.0

Calcium binding site 3 out of 4 in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca151 b:15.5 occ:1.00 O A:LEU99 2.1 16.7 1.0 OD1 A:ASP93 2.2 19.5 1.0 O A:HOH189 2.4 27.4 1.0 OE1 A:GLU104 2.4 13.6 1.0 OD1 A:ASP95 2.4 25.9 1.0 OD1 A:ASN97 2.4 16.6 1.0 OE2 A:GLU104 2.5 12.8 1.0 CD A:GLU104 2.8 13.5 1.0 CG A:ASP95 3.3 26.8 1.0 C A:LEU99 3.3 16.9 1.0 CG A:ASP93 3.4 18.4 1.0 CG A:ASN97 3.5 11.7 1.0 OD2 A:ASP95 3.7 27.0 1.0 OD2 A:ASP93 4.1 20.2 1.0 N A:LEU99 4.2 15.5 1.0 N A:ASN97 4.2 20.7 1.0 N A:ASP95 4.2 20.1 1.0 N A:ILE100 4.2 10.5 1.0 ND2 A:ASN97 4.2 13.6 1.0 CA A:LEU99 4.3 14.7 1.0 CA A:ILE100 4.3 12.9 1.0 CG A:GLU104 4.3 8.8 1.0 CA A:ASP93 4.3 15.8 1.0 CB A:ASP93 4.4 16.2 1.0 C A:ASP93 4.4 19.1 1.0 CB A:ASP95 4.4 23.8 1.0 N A:SER101 4.5 10.2 1.0 CB A:ASN97 4.5 17.4 1.0 N A:ARG94 4.6 19.4 1.0 CB A:LEU99 4.6 15.6 1.0 CA A:ASP95 4.7 21.6 1.0 N A:GLY96 4.7 22.0 1.0 CA A:ASN97 4.8 16.7 1.0 C A:ILE100 4.8 16.1 1.0 O A:ASP93 4.8 20.2 1.0 O A:HOH276 4.9 55.8 1.0 C A:ASP95 4.9 22.2 1.0 N A:GLY98 4.9 18.3 1.0

Calcium binding site 4 out of 4 in the Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Crystal Structure of Recombinant Paramecium Tetraurelia Calmodulin at 1.68 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca152 b:10.0 occ:1.00 OD1 A:ASP129 2.0 9.0 1.0 OD1 A:ASP131 2.1 17.7 1.0 OD1 A:ASP133 2.2 14.1 1.0 O A:HOH181 2.2 13.2 1.0 O A:HIS135 2.3 16.5 1.0 OE1 A:GLU140 2.5 17.5 1.0 OE2 A:GLU140 2.7 17.2 1.0 CD A:GLU140 3.0 15.9 1.0 CG A:ASP131 3.2 18.7 1.0 CG A:ASP129 3.2 10.7 1.0 CG A:ASP133 3.3 15.6 1.0 C A:HIS135 3.5 16.2 1.0 OD2 A:ASP131 3.7 18.8 1.0 OD2 A:ASP133 3.8 14.5 1.0 OD2 A:ASP129 3.9 15.4 1.0 N A:ASP133 4.1 20.8 1.0 N A:HIS135 4.1 14.9 1.0 N A:ASP131 4.2 17.5 1.0 CB A:ASP129 4.2 9.2 1.0 CA A:HIS135 4.3 15.6 1.0 CA A:ASP129 4.4 12.2 1.0 N A:GLY132 4.4 20.9 1.0 N A:ILE136 4.4 15.1 1.0 CB A:ASP131 4.4 20.7 1.0 N A:ILE130 4.4 16.9 1.0 CG A:GLU140 4.5 15.9 1.0 CB A:ASP133 4.5 17.1 1.0 CA A:ILE136 4.5 13.4 1.0 N A:ASN137 4.5 9.0 1.0 CA A:ASP131 4.6 18.3 1.0 N A:GLY134 4.7 17.0 1.0 C A:ASP131 4.7 19.9 1.0 CA A:ASP133 4.7 18.2 1.0 CB A:HIS135 4.8 11.8 1.0 C A:ASP129 4.9 15.2 1.0 C A:ASP133 4.9 17.4 1.0 C A:ILE136 4.9 12.8 1.0

C.Ban, B.Ramakrishnan, K.Y.Ling, C.Kung, M.Sundaralingam. Structure of the Recombinant Paramecium Tetraurelia Calmodulin at 1.68 A Resolution. Acta Crystallogr.,Sect.D V. 50 50 1994.
ISSN: ISSN 0907-4449
PubMed: 15299476
DOI: 10.1107/S0907444993007991