Potassium in PDB 4l49: Structure of L358A Mutant of P450CAM Bound to Camphor

All present enzymatic activity of Structure of L358A Mutant of P450CAM Bound to Camphor:
1.14.15.1;

The structure of Structure of L358A Mutant of P450CAM Bound to Camphor, PDB code: 4l49 was solved by D.Batabyal, H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.06 / 2.13
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	35.057, 98.661, 99.671, 90.00, 90.00, 90.00
R / Rfree (%)	19.2 / 25.5

The structure of Structure of L358A Mutant of P450CAM Bound to Camphor also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Potassium atom in the Structure of L358A Mutant of P450CAM Bound to Camphor (pdb code 4l49). 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 L358A Mutant of P450CAM Bound to Camphor, PDB code: 4l49:

Potassium binding site 1 out of 1 in the Structure of L358A Mutant of P450CAM Bound to Camphor


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of L358A Mutant of P450CAM Bound to Camphor within 5.0Å range: probe atom residue distance (Å) B Occ A:K503 b:23.5 occ:1.00 O A:TYR96 2.6 12.5 1.0 O A:GLU84 2.6 13.0 1.0 O A:GLU94 2.8 12.3 1.0 O A:GLY93 2.8 12.2 1.0 O A:HOH610 2.9 12.6 1.0 C A:GLU94 3.4 16.0 1.0 CA A:GLU94 3.6 14.8 1.0 C A:TYR96 3.7 16.4 1.0 C A:GLU84 3.8 13.7 1.0 C A:GLY93 3.9 16.4 1.0 N A:TYR96 4.2 12.1 1.0 N A:GLU94 4.3 13.0 1.0 CA A:TYR96 4.4 15.0 1.0 CA A:CYS85 4.4 15.7 1.0 N A:ALA95 4.5 11.4 1.0 CG A:GLU84 4.5 37.0 1.0 N A:CYS85 4.6 14.5 1.0 C A:ALA95 4.6 13.9 1.0 CB A:TYR96 4.6 12.4 1.0 N A:ASP97 4.7 13.0 1.0 CB A:CYS85 4.9 19.1 1.0 CA A:GLU84 4.9 12.9 1.0 CA A:ASP97 4.9 7.8 1.0 CD A:PRO86 4.9 7.2 1.0 CB A:GLU94 4.9 11.3 1.0

D.Batabyal, H.Li, T.L.Poulos. Synergistic Effects of Mutations in Cytochrome P450CAM Designed to Mimic CYP101D1. Biochemistry V. 52 5396 2013.
ISSN: ISSN 0006-2960
PubMed: 23865948
DOI: 10.1021/BI400676D