Sodium in PDB 4x30: Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution

The structure of Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution, PDB code: 4x30 was solved by X.Qi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.49 / 1.55
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	65.460, 65.460, 202.710, 90.00, 90.00, 90.00
R / Rfree (%)	18.3 / 20.5

The structure of Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution also contains other interesting chemical elements:

Fluorine	(F)	1 atom
Iodine	(I)	4 atoms

The binding sites of Sodium atom in the Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution (pdb code 4x30). 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 Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution, PDB code: 4x30:

Sodium binding site 1 out of 1 in the Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Na406 b:43.9 occ:1.00 F A:F404 2.2 42.9 1.0 O A:HOH747 2.4 29.4 1.0 OE1 A:GLU351 2.9 39.6 1.0 CD A:GLU351 3.6 37.6 1.0 CB A:GLU351 3.7 36.7 1.0 O A:ALA191 3.7 17.9 1.0 CG A:GLU351 3.8 37.9 1.0 O A:HOH615 3.8 35.6 1.0 CD A:PRO193 3.8 17.2 1.0 O A:GLU351 4.1 39.8 1.0 O A:HOH776 4.2 30.9 1.0 CG A:PRO193 4.2 17.8 1.0 CA A:GLU351 4.4 38.0 1.0 OE1 A:GLN189 4.5 18.4 0.5 O A:TRP190 4.5 15.0 1.0 O A:HOH786 4.5 36.0 1.0 C A:ALA191 4.6 16.5 1.0 O A:HOH646 4.7 18.7 1.0 OE2 A:GLU351 4.7 38.5 1.0 C A:GLU351 4.7 38.2 1.0

X.Qi, A.Zhou. Crystal Structure of Human Thyroxine-Binding Globulin Complexed with Thyroine at 1.55 Angstrom Resolution To Be Published.