Sodium in PDB 2bok: Factor Xa - Cation

All present enzymatic activity of Factor Xa - Cation:
3.4.21.6;

The structure of Factor Xa - Cation, PDB code: 2bok was solved by M.Morgenthaler, K.Schaerer, R.Paulini, U.Obst-Sander, D.W.Banner, D.Schlatter, J.Benz, M.Stihle, F.Diederich, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	51.03 / 1.64
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	48.840, 71.670, 72.750, 90.00, 90.00, 90.00
R / Rfree (%)	20.4 / 23.7

The binding sites of Sodium atom in the Factor Xa - Cation (pdb code 2bok). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Factor Xa - Cation, PDB code: 2bok:

Sodium binding site 1 out of 1 in the Factor Xa - Cation


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Factor Xa - Cation within 5.0Å range: probe atom residue distance (Å) B Occ A:Na1245 b:15.2 occ:1.00 O A:LYS224 2.2 14.2 1.0 O A:ARG222 2.3 15.8 1.0 O A:TYR185 2.3 16.2 1.0 O A:HOH2170 2.4 20.1 1.0 O A:ASP185A 2.6 18.8 1.0 O A:HOH2198 3.2 14.9 1.0 C A:ASP185A 3.3 18.2 1.0 C A:LYS224 3.4 14.1 1.0 C A:ARG222 3.4 15.1 1.0 C A:TYR185 3.4 16.5 1.0 N A:LYS224 3.6 15.3 1.0 CA A:ASP185A 3.8 18.9 1.0 CA A:LYS224 4.0 14.6 1.0 N A:GLY223A 4.1 16.3 1.0 N A:ASP185A 4.1 17.4 1.0 CA A:LYS223 4.2 16.6 1.0 N A:LYS223 4.2 16.1 1.0 N A:ARG222 4.2 14.0 1.0 C A:ALA221 4.3 13.3 1.0 N A:THR185B 4.3 18.6 1.0 C A:LYS223 4.4 16.4 1.0 O A:ALA221 4.4 14.1 1.0 CA A:ARG222 4.4 14.7 1.0 O A:HOH2176 4.5 14.3 1.0 N A:TYR225 4.5 13.6 1.0 O A:LYS186 4.6 16.2 1.0 CA A:TYR185 4.6 15.4 1.0 CB A:LYS224 4.6 14.8 1.0 C A:GLY223A 4.6 15.9 1.0 CA A:THR185B 4.8 18.8 1.0 CA A:ALA221 4.8 13.1 1.0 CA A:TYR225 4.8 12.7 1.0 CA A:GLY223A 4.8 16.3 1.0 N A:TYR185 4.9 13.9 1.0 CD1 A:TYR225 5.0 14.8 1.0

K.Scharer, M.Morgenthaler, R.Paulini, U.Obst-Sander, D.W.Banner, D.Schlatter, J.Benz, M.Stihle, F.Diederich. Quantification of Cation-Pi Interactions in Protein-Ligand Complexes: Crystal-Structure Analysis of Factor Xa Bound to A Quaternary Ammonium Ion Ligand Angew.Chem.Int.Ed.Engl. V. 44 4400 2005.
ISSN: ISSN 1433-7851
PubMed: 15952226
DOI: 10.1002/ANIE.200500883