Potassium in PDB 6hrg: Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I

The structure of Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I, PDB code: 6hrg was solved by S.H.Smits, W.R.Streit, K.E.Jaeger, A.Hoeppner, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	84.59 / 2.12
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	67.420, 67.420, 253.770, 90.00, 90.00, 120.00
R / Rfree (%)	18.4 / 24.9

The structure of Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Potassium atom in the Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I (pdb code 6hrg). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I, PDB code: 6hrg:

Potassium binding site 1 out of 1 in the Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I within 5.0Å range: probe atom residue distance (Å) B Occ A:K304 b:68.2 occ:1.00 O A:HOH496 3.2 49.5 1.0 O A:GLU57 4.0 34.7 1.0 CB A:GLU57 4.1 37.8 1.0 CZ2 A:TRP28 4.2 32.8 1.0 CE2 A:TRP28 4.2 32.6 1.0 NE1 A:TRP28 4.2 31.6 1.0 C A:GLU57 4.3 33.4 1.0 O A:HOH456 4.5 49.1 1.0 CH2 A:TRP28 4.8 33.5 1.0 CA A:GLU57 4.9 32.9 1.0 N A:ASP58 4.9 32.1 1.0 CD2 A:TRP28 4.9 31.8 1.0 CD1 A:TRP28 4.9 32.3 1.0

S.Kobus, S.H.Smits. Cloning, Expression, Purification and Preliminary X-Ray Analysis of IGNI18, A Novel Metallo Hydrolase From the Hyperthermophilic Archaeon Ignicoccus Hospitalis KIN4/I To Be Published.