Calcium in PDB 1t5t: Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form

All present enzymatic activity of Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form:
3.6.3.8;

The structure of Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form, PDB code: 1t5t was solved by T.L.-M.Sorensen, J.V.Moller, P.Nissen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	162.477, 75.617, 151.651, 90.00, 108.82, 90.00
R / Rfree (%)	24.6 / 29.3

The structure of Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form also contains other interesting chemical elements:

Fluorine	(F)	4 atoms
Magnesium	(Mg)	2 atoms
Aluminium	(Al)	1 atom
Potassium	(K)	1 atom

The binding sites of Calcium atom in the Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form (pdb code 1t5t). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form, PDB code: 1t5t:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1003 b:92.1 occ:1.00 OD1 A:ASN796 2.2 88.2 1.0 O A:ILE307 2.3 94.4 1.0 O A:ALA305 2.4 92.6 1.0 OD2 A:ASP800 2.4 82.3 1.0 OE1 A:GLU309 2.5 97.2 1.0 OE2 A:GLU309 2.5 0.0 1.0 O A:VAL304 2.7 91.7 1.0 CD A:GLU309 2.8 98.3 1.0 CG A:ASN796 3.3 88.4 1.0 C A:ALA305 3.3 92.6 1.0 CG A:ASP800 3.3 83.2 1.0 C A:ILE307 3.4 94.5 1.0 CB A:ASP800 3.6 83.4 1.0 ND2 A:ASN796 3.7 89.0 1.0 C A:VAL304 3.8 91.7 1.0 CA A:ALA305 3.8 92.3 1.0 ND2 A:ASN768 3.9 91.2 1.0 N A:ILE307 4.1 93.8 1.0 O A:HOH1046 4.2 75.1 1.0 C A:ALA306 4.3 93.4 1.0 N A:ALA305 4.3 91.9 1.0 CA A:ILE307 4.3 94.1 1.0 N A:GLU309 4.3 95.2 1.0 CG A:GLU309 4.3 96.9 1.0 N A:ALA306 4.3 92.8 1.0 N A:PRO308 4.4 94.9 1.0 OD1 A:ASP800 4.5 83.1 1.0 O A:ALA306 4.5 93.1 1.0 CB A:ASN796 4.6 88.1 1.0 CA A:PRO308 4.6 95.0 1.0 CB A:ILE307 4.7 94.1 1.0 CA A:ALA306 4.8 93.1 1.0 CB A:GLU309 4.9 95.9 1.0 C A:PRO308 5.0 95.1 1.0

Calcium binding site 2 out of 2 in the Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Structure of the (Sr)CA2+-Atpase CA2-E1-Adp:ALF4- Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1004 b:98.7 occ:1.00 OE2 A:GLU771 2.2 94.9 1.0 O A:HOH1046 2.2 75.1 1.0 OD1 A:ASP800 2.2 83.1 1.0 OD1 A:ASN768 2.3 90.3 1.0 OG1 A:THR799 2.5 84.1 1.0 OE2 A:GLU908 2.6 95.9 1.0 CG A:ASP800 3.0 83.2 1.0 CD A:GLU771 3.2 96.9 1.0 OD2 A:ASP800 3.3 82.3 1.0 CG A:ASN768 3.3 92.1 1.0 CD A:GLU908 3.4 95.2 1.0 OE1 A:GLU908 3.4 95.0 1.0 CB A:THR799 3.5 84.3 1.0 OE1 A:GLU771 3.5 97.1 1.0 ND2 A:ASN768 3.8 91.2 1.0 CB A:ASP800 4.2 83.4 1.0 C A:THR799 4.3 84.0 1.0 N A:ASP800 4.3 83.7 1.0 O A:VAL795 4.4 90.0 1.0 CG A:GLU771 4.4 98.0 1.0 CG2 A:THR799 4.4 84.8 1.0 CA A:THR799 4.5 84.4 1.0 O A:THR799 4.6 84.3 1.0 CA A:ASP800 4.6 83.5 1.0 CB A:ASN768 4.6 92.8 1.0 N A:ASN768 4.7 92.7 1.0 CA A:ASN768 4.7 93.0 1.0 CB A:SER767 4.7 92.0 1.0 O A:ALA305 4.8 92.6 1.0 CG A:GLU908 4.9 95.1 1.0 CA A:ASN796 5.0 88.4 1.0 OD1 A:ASN796 5.0 88.2 1.0 CD2 A:LEU764 5.0 91.1 1.0

T.L.Sorensen, J.V.Moller, P.Nissen. Phosphoryl Transfer and Calcium Ion Occlusion in the Calcium Pump. Science V. 304 1672 2004.
ISSN: ISSN 0036-8075
PubMed: 15192230
DOI: 10.1126/SCIENCE.1099366