Potassium in PDB 1p3n: Core Redesign Back-Revertant I103V/CORE10

All present enzymatic activity of Core Redesign Back-Revertant I103V/CORE10:
3.2.1.17;

The structure of Core Redesign Back-Revertant I103V/CORE10, PDB code: 1p3n was solved by B.H.Mooers, D.Datta, W.A.Baase, E.S.Zollars, S.L.Mayo, B.W.Matthews, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	23.97 / 1.55
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	59.999, 59.999, 95.941, 90.00, 90.00, 120.00
R / Rfree (%)	n/a / n/a

The structure of Core Redesign Back-Revertant I103V/CORE10 also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the Core Redesign Back-Revertant I103V/CORE10 (pdb code 1p3n). 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 Core Redesign Back-Revertant I103V/CORE10, PDB code: 1p3n:

Potassium binding site 1 out of 1 in the Core Redesign Back-Revertant I103V/CORE10


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Core Redesign Back-Revertant I103V/CORE10 within 5.0Å range: probe atom residue distance (Å) B Occ A:K972 b:21.6 occ:0.64 O A:HOH304 2.9 28.4 1.0 O A:GLU11 3.0 15.9 1.0 OE2 A:GLU11 3.0 17.0 1.0 OH A:TYR18 3.0 27.7 1.0 O A:HOH204 3.0 21.4 1.0 O A:HOH207 3.0 27.0 1.0 O A:HOH502 3.2 33.2 1.0 O A:HOH509 3.3 42.3 1.0 C A:GLU11 3.8 13.6 1.0 CA A:GLU11 3.8 11.9 1.0 CZ A:TYR18 3.9 26.1 1.0 CE1 A:TYR18 3.9 26.4 1.0 O A:HOH285 4.1 34.8 1.0 CB A:GLU11 4.1 13.4 1.0 CD A:GLU11 4.2 21.5 1.0 CA A:GLY30 4.4 12.2 1.0 N A:GLY30 4.6 12.6 1.0 O A:HOH236 4.7 28.4 1.0 CG A:GLU11 4.8 14.8 1.0 O A:ASP10 4.9 17.6 1.0

B.H.Mooers, D.Datta, W.A.Baase, E.S.Zollars, S.L.Mayo, B.W.Matthews. Repacking the Core of T4 Lysozyme By Automated Design J.Mol.Biol. V. 332 741 2003.
ISSN: ISSN 0022-2836
PubMed: 12963380
DOI: 10.1016/S0022-2836(03)00856-8