Potassium in PDB 1pqo: T4 Lysozyme Core Repacking Mutant L118I/Ta

All present enzymatic activity of T4 Lysozyme Core Repacking Mutant L118I/Ta:
3.2.1.17;

The structure of T4 Lysozyme Core Repacking Mutant L118I/Ta, PDB code: 1pqo 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)	18.70 / 1.65
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	60.181, 60.181, 95.862, 90.00, 90.00, 120.00
R / Rfree (%)	20.4 / 26.1

The structure of T4 Lysozyme Core Repacking Mutant L118I/Ta also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the T4 Lysozyme Core Repacking Mutant L118I/Ta (pdb code 1pqo). 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 T4 Lysozyme Core Repacking Mutant L118I/Ta, PDB code: 1pqo:

Potassium binding site 1 out of 1 in the T4 Lysozyme Core Repacking Mutant L118I/Ta


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of T4 Lysozyme Core Repacking Mutant L118I/Ta within 5.0Å range: probe atom residue distance (Å) B Occ A:K972 b:23.9 occ:0.64 O A:HOH270 3.0 23.2 1.0 O A:GLU11 3.0 21.9 1.0 O A:HOH358 3.0 40.0 1.0 OH A:TYR18 3.0 33.6 1.0 OE2 A:GLU11 3.2 25.8 1.0 C A:GLU11 3.8 22.2 1.0 CZ A:TYR18 3.9 35.4 1.0 CA A:GLU11 3.9 21.2 1.0 CE1 A:TYR18 4.0 37.3 1.0 CB A:GLU11 4.3 20.2 1.0 CD A:GLU11 4.4 24.6 1.0 CA A:GLY30 4.4 18.8 1.0 N A:GLY30 4.7 25.0 1.0 CG A:GLU11 4.9 30.9 1.0 O A:ASP10 5.0 22.4 1.0 CB A:ASP20 5.0 19.1 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