Sodium in PDB 2zyl: Crystal Structure of 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis

The structure of Crystal Structure of 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis, PDB code: 2zyl was solved by I.D'angelo, J.Capyk, N.Strynadka, L.Eltis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.85 / 2.30
Space group	P 3 2 1
Cell size a, b, c (Å), α, β, γ (°)	116.200, 116.200, 81.000, 90.00, 90.00, 120.00
R / Rfree (%)	19.7 / 23.5

The structure of Crystal Structure of 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis also contains other interesting chemical elements:

Iron

(Fe)

3 atoms

The binding sites of Sodium atom in the Crystal Structure of 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis (pdb code 2zyl). 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 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis, PDB code: 2zyl:

Sodium binding site 1 out of 1 in the Crystal Structure of 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis


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 3-Ketosteroid-9-Alpha-Hydroxylase (Ksha) From M. Tuberculosis within 5.0Å range: probe atom residue distance (Å) B Occ A:Na387 b:41.3 occ:1.00 O A:GLU322 2.6 29.6 1.0 O A:HOH435 2.6 36.3 1.0 O A:THR177 2.9 31.8 1.0 N A:MET179 2.9 31.7 1.0 O A:ASP323 3.2 31.4 1.0 CB A:MET179 3.4 31.1 1.0 CA A:ASP178 3.5 31.8 1.0 C A:ASP323 3.5 29.5 1.0 CA A:ASP323 3.7 28.5 1.0 C A:GLU322 3.7 27.6 1.0 C A:ASP178 3.8 30.7 1.0 CA A:MET179 3.8 30.9 1.0 C A:THR177 3.9 29.6 1.0 CB A:ASP178 4.1 33.5 1.0 N A:ASP323 4.1 27.5 1.0 N A:ASP178 4.2 30.0 1.0 N A:GLY324 4.3 30.8 1.0 N A:ALA180 4.4 28.5 1.0 O A:HOH403 4.5 28.5 1.0 O A:HOH428 4.6 32.6 1.0 C A:MET179 4.7 29.5 1.0 CG A:MET179 4.7 34.6 1.0 CG1 A:VAL355 4.7 27.8 1.0 CG2 A:VAL355 4.7 31.2 1.0 CA A:GLY324 4.7 30.3 1.0 CE A:MET179 4.7 27.9 1.0 CE1 A:PHE193 4.8 25.5 1.0 OD1 A:ASP323 4.9 28.4 1.0 O A:ASP178 4.9 29.7 1.0 CB A:ASP323 5.0 27.0 1.0 CA A:GLU322 5.0 27.0 1.0

J.K.Capyk, I.D'angelo, N.C.Strynadka, L.D.Eltis. Characterization of 3-Ketosteroid 9{Alpha}-Hydroxylase, A Rieske Oxygenase in the Cholesterol Degradation Pathway of Mycobacterium Tuberculosis J.Biol.Chem. V. 284 9937 2009.
ISSN: ISSN 0021-9258
PubMed: 19234303
DOI: 10.1074/JBC.M900719200