Sodium in PDB 3t2h: Tetragonal Thermolysin in the Presence of Tmao

All present enzymatic activity of Tetragonal Thermolysin in the Presence of Tmao:
3.4.24.27;

The structure of Tetragonal Thermolysin in the Presence of Tmao, PDB code: 3t2h was solved by J.Cahn, N.S.Hti Lar Seng, D.Juers, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.17 / 1.95
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	96.892, 96.892, 105.549, 90.00, 90.00, 90.00
R / Rfree (%)	15.4 / 18.3

The structure of Tetragonal Thermolysin in the Presence of Tmao also contains other interesting chemical elements:

Zinc	(Zn)	2 atoms
Calcium	(Ca)	4 atoms
Chlorine	(Cl)	8 atoms

The binding sites of Sodium atom in the Tetragonal Thermolysin in the Presence of Tmao (pdb code 3t2h). 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 Tetragonal Thermolysin in the Presence of Tmao, PDB code: 3t2h:

Sodium binding site 1 out of 1 in the Tetragonal Thermolysin in the Presence of Tmao


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Tetragonal Thermolysin in the Presence of Tmao within 5.0Å range: probe atom residue distance (Å) B Occ E:Na331 b:51.0 occ:1.00 O E:HOH497 2.1 44.3 1.0 O E:HOH496 2.3 25.1 1.0 O E:HOH431 2.5 22.0 1.0 O E:HOH477 2.5 33.0 1.0 O E:HOH669 2.6 35.1 1.0 O E:TYR211 2.6 12.5 1.0 O E:HOH673 3.7 37.1 1.0 O E:HOH543 3.7 41.3 1.0 C E:TYR211 3.8 12.5 1.0 OD1 E:ASP213 3.8 9.8 1.0 CB E:TYR211 3.9 12.7 1.0 O E:HOH446 3.9 23.2 1.0 OD2 E:ASP213 4.1 11.3 1.0 O E:HOH408 4.2 37.2 1.0 CG E:ASP213 4.2 10.4 1.0 O E:HOH542 4.3 36.9 1.0 CA E:TYR211 4.5 12.2 1.0 O E:LEU202 4.7 12.0 1.0 N E:GLY212 4.8 10.8 1.0 CA E:GLY212 5.0 11.2 1.0 C E:GLY212 5.0 10.8 1.0

H.Marshall, M.Venkat, N.S.Hti Lar Seng, J.Cahn, D.H.Juers. The Use of Trimethylamine N-Oxide As A Primary Precipitating Agent and Related Methylamine Osmolytes As Cryoprotective Agents For Macromolecular Crystallography. Acta Crystallogr.,Sect.D V. 68 69 2012.
ISSN: ISSN 0907-4449
PubMed: 22194335
DOI: 10.1107/S0907444911050360