Calcium in PDB 2sas: Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution

The structure of Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution, PDB code: 2sas was solved by W.J.Cook, Y.S.Babu, J.A.Cox, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	5.00 / 2.40
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	59.600, 81.300, 82.400, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution (pdb code 2sas). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution, PDB code: 2sas:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca186 b:9.7 occ:1.00 O A:SER25 2.1 18.5 1.0 OD1 A:ASP19 2.2 20.8 1.0 OD1 A:ASP23 2.3 23.3 1.0 OD2 A:ASP30 2.4 15.8 1.0 OD1 A:ASN21 2.4 21.4 1.0 OD1 A:ASP30 2.4 15.9 1.0 CG A:ASP30 2.7 15.9 1.0 CG A:ASN21 3.2 22.8 1.0 CG A:ASP23 3.2 22.4 1.0 C A:SER25 3.3 20.3 1.0 CG A:ASP19 3.4 19.8 1.0 ND2 A:ASN21 3.4 23.8 1.0 OD2 A:ASP23 3.6 24.4 1.0 N A:ASP23 4.1 21.6 1.0 N A:ILE26 4.2 20.4 1.0 OD2 A:ASP19 4.2 19.4 1.0 CB A:ASP30 4.2 15.3 1.0 N A:SER25 4.3 21.8 1.0 CB A:ASP19 4.3 17.4 1.0 CA A:ASP19 4.3 17.8 1.0 CA A:ILE26 4.3 21.1 1.0 CA A:SER25 4.3 21.1 1.0 OD1 A:ASN29 4.4 27.0 1.0 CB A:ASP23 4.5 19.8 1.0 N A:GLN27 4.5 22.6 1.0 CB A:ASN21 4.5 22.2 1.0 CB A:SER25 4.6 23.2 1.0 N A:ASN21 4.6 21.6 1.0 N A:HIS22 4.6 23.1 1.0 OE1 A:GLN27 4.7 27.4 1.0 C A:ILE26 4.7 21.7 1.0 CA A:ASP23 4.7 20.6 1.0 C A:ASP19 4.7 17.7 1.0 C A:ASN21 4.8 23.1 1.0 CA A:ASN21 4.8 22.3 1.0 N A:GLY24 5.0 22.1 1.0 CA A:ASP30 5.0 16.6 1.0 N A:MET20 5.0 19.1 1.0

Calcium binding site 2 out of 3 in the Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca187 b:11.2 occ:1.00 OD1 A:ASP70 1.9 16.4 1.0 OD1 A:ASP74 2.2 24.1 1.0 O A:HOH189 2.3 17.8 1.0 O A:VAL76 2.3 22.9 1.0 OE1 A:GLU81 2.3 20.8 1.0 OD1 A:ASN72 2.8 29.2 1.0 CD A:GLU81 3.0 18.7 1.0 OE2 A:GLU81 3.1 19.0 1.0 CG A:ASP70 3.2 20.0 1.0 CG A:ASP74 3.3 24.5 1.0 C A:VAL76 3.5 23.3 1.0 OD2 A:ASP74 3.7 25.0 1.0 CG A:ASN72 3.8 24.8 1.0 ND2 A:ASN72 4.0 28.8 1.0 OD2 A:ASP70 4.0 19.7 1.0 CB A:ASP70 4.2 19.9 1.0 CA A:ASP70 4.2 20.0 1.0 N A:VAL76 4.2 25.4 1.0 CA A:VAL76 4.3 23.7 1.0 CG A:GLU81 4.4 18.2 1.0 CB A:VAL76 4.5 24.4 1.0 N A:VAL77 4.5 21.3 1.0 CA A:VAL77 4.5 19.9 1.0 N A:ASP74 4.5 25.4 1.0 CB A:ASP74 4.6 24.8 1.0 N A:SER78 4.7 19.3 1.0 N A:ASN72 4.7 25.5 1.0 C A:ASP70 4.7 21.3 1.0 N A:ILE71 4.8 21.6 1.0 OG A:SER78 4.9 20.1 1.0 CA A:ASP74 4.9 25.4 1.0 C A:ASP74 4.9 25.3 1.0

Calcium binding site 3 out of 3 in the Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca188 b:12.8 occ:1.00 OD1 A:ASP115 2.2 19.2 1.0 OE1 A:GLU126 2.2 14.4 1.0 OD1 A:ASP119 2.3 21.3 1.0 O A:ILE121 2.4 15.9 1.0 OG A:SER117 2.4 24.5 1.0 OE2 A:GLU126 2.4 14.9 1.0 CD A:GLU126 2.7 12.6 1.0 CG A:ASP115 3.3 20.6 1.0 CG A:ASP119 3.4 17.6 1.0 CB A:SER117 3.6 24.6 1.0 C A:ILE121 3.6 15.7 1.0 OD2 A:ASP119 3.9 22.3 1.0 N A:SER117 3.9 23.8 1.0 CA A:ASP115 4.0 19.9 1.0 CB A:ASP115 4.0 20.7 1.0 CG A:GLU126 4.1 11.2 1.0 CA A:SER117 4.2 23.9 1.0 N A:ILE121 4.2 13.6 1.0 OD2 A:ASP115 4.2 21.8 1.0 C A:ASP115 4.2 21.3 1.0 CA A:VAL122 4.3 16.7 1.0 N A:ASP119 4.3 16.5 1.0 N A:GLY118 4.3 21.9 1.0 C A:SER117 4.4 24.3 1.0 N A:ASP123 4.4 16.4 1.0 N A:VAL122 4.5 15.0 1.0 CA A:ILE121 4.5 15.1 1.0 OD2 A:ASP123 4.5 24.0 1.0 O A:ASP115 4.5 22.4 1.0 CB A:ASP119 4.6 15.4 1.0 N A:GLY120 4.7 17.4 1.0 CB A:ILE121 4.7 14.8 1.0 N A:VAL116 4.7 21.9 1.0 CA A:ASP119 4.9 15.8 1.0 C A:VAL122 4.9 17.4 1.0 CG A:ASP123 5.0 18.0 1.0

W.J.Cook, L.C.Jeffrey, J.A.Cox, S.Vijay-Kumar. Structure of A Sarcoplasmic Calcium-Binding Protein From Amphioxus Refined at 2.4 A Resolution. J.Mol.Biol. V. 229 461 1993.
ISSN: ISSN 0022-2836
PubMed: 8429557
DOI: 10.1006/JMBI.1993.1046