Calcium in PDB 4ncz: Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate.

The structure of Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate., PDB code: 4ncz was solved by J.Osipiuk, M.Zhou, M.Gu, W.F.Anderson, A.Joachimiak, Center For Structuralgenomics Of Infectious Diseases (Csgid), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.02 / 1.89
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	71.751, 134.498, 137.086, 90.00, 90.00, 90.00
R / Rfree (%)	19.1 / 23.8

The structure of Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate. also contains other interesting chemical elements:

Sodium

(Na)

3 atoms

The binding sites of Calcium atom in the Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate. (pdb code 4ncz). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate., PDB code: 4ncz:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca303 b:36.9 occ:0.80 OE2 A:GLU75 2.4 44.5 1.0 OE2 C:GLU75 2.4 52.2 1.0 OE1 C:GLU33 2.5 53.1 1.0 OE2 C:GLU33 2.5 58.7 1.0 OE1 A:GLU33 2.5 51.4 1.0 OE1 A:GLU75 2.6 41.7 1.0 OE2 A:GLU33 2.6 54.3 1.0 OE1 C:GLU75 2.7 45.7 1.0 CD C:GLU33 2.8 53.1 1.0 CD A:GLU75 2.8 43.4 1.0 CD A:GLU33 2.8 48.5 1.0 CD C:GLU75 2.9 45.4 1.0 O A:HOH404 3.8 49.1 1.0 O A:HOH430 4.0 51.5 1.0 O A:HOH487 4.0 44.6 1.0 O C:HOH427 4.2 53.1 1.0 CG C:GLU33 4.2 43.9 1.0 CG A:GLU33 4.3 41.7 1.0 CG A:GLU75 4.3 39.3 1.0 O C:HOH424 4.4 49.9 1.0 O A:HOH424 4.5 51.0 1.0 CG C:GLU75 4.5 38.7 1.0 O A:HOH467 4.6 53.0 1.0 O A:HOH406 4.7 37.8 1.0 O C:HOH484 4.9 37.7 1.0

Calcium binding site 2 out of 2 in the Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2- [N-Cyclohexylamino]Ethane Sulfonate. within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca304 b:36.5 occ:0.40 OE2 B:GLU75 2.4 45.9 1.0 OE1 B:GLU33 2.5 47.9 1.0 OE2 B:GLU33 2.5 55.4 1.0 OE1 B:GLU75 2.7 46.0 1.0 CD B:GLU33 2.8 45.6 1.0 CD B:GLU75 2.9 41.8 1.0 O B:HOH418 3.7 56.5 1.0 O B:HOH429 4.0 47.8 1.0 CG B:GLU33 4.3 38.0 1.0 O B:HOH428 4.3 55.6 1.0 O B:HOH457 4.4 60.4 1.0 CG B:GLU75 4.4 39.6 1.0 O B:HOH420 4.7 37.6 1.0 O B:HOH417 4.8 55.6 1.0

J.Osipiuk, M.Zhou, M.Gu, W.F.Anderson, A.Joachimiak. Spermidine N-Acetyltransferase From Vibrio Cholerae in Complex with 2-[N-Cyclohexylamino]Ethane Sulfonate. To Be Published.