Potassium in PDB 2zax: Crystal Structure of Ferric Cytochrome P450CAM

All present enzymatic activity of Crystal Structure of Ferric Cytochrome P450CAM:
1.14.15.1;

The structure of Crystal Structure of Ferric Cytochrome P450CAM, PDB code: 2zax was solved by K.Sakurai, H.Shimada, K.Harada, T.Hayashi, T.Tsukihara, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.77 / 1.60
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	63.522, 63.522, 249.670, 90.00, 90.00, 90.00
R / Rfree (%)	16.5 / 18.3

The structure of Crystal Structure of Ferric Cytochrome P450CAM also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Potassium atom in the Crystal Structure of Ferric Cytochrome P450CAM (pdb code 2zax). 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 Crystal Structure of Ferric Cytochrome P450CAM, PDB code: 2zax:

Potassium binding site 1 out of 1 in the Crystal Structure of Ferric Cytochrome P450CAM


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Ferric Cytochrome P450CAM within 5.0Å range: probe atom residue distance (Å) B Occ A:K415 b:10.7 occ:1.00 O A:GLU84 2.6 10.9 1.0 O A:TYR96 2.6 9.7 1.0 O A:HOH813 2.8 24.8 1.0 O A:GLU94 2.8 10.7 1.0 O A:GLY93 2.8 8.8 1.0 O A:HOH806 2.8 17.4 1.0 C A:GLU94 3.5 9.8 1.0 CA A:GLU94 3.7 9.9 1.0 C A:TYR96 3.7 8.8 1.0 C A:GLU84 3.8 10.7 1.0 C A:GLY93 3.9 9.6 1.0 N A:TYR96 4.1 9.4 1.0 SG A:CYS85 4.3 14.5 0.2 N A:GLU94 4.3 9.6 1.0 O A:HOH736 4.4 31.8 1.0 CA A:TYR96 4.4 8.7 1.0 CA A:CYS85 4.5 10.1 0.8 CA A:CYS85 4.5 10.7 0.2 N A:ALA95 4.5 9.2 1.0 C A:ALA95 4.5 9.6 1.0 CG A:GLU84 4.6 12.6 0.4 N A:CYS85 4.6 9.7 1.0 CB A:TYR96 4.6 8.9 1.0 O A:HOH821 4.7 40.2 1.0 N A:ASP97 4.8 9.4 1.0 CA A:GLU84 4.8 10.2 0.3 CA A:GLU84 4.9 10.4 0.7 O A:HOH779 4.9 30.8 1.0 CD A:PRO86 4.9 10.2 1.0 CB A:CYS85 4.9 10.6 0.8 CA A:ASP97 5.0 9.4 1.0

K.Harada, K.Sakurai, K.Ikemura, T.Ogura, S.Hirota, H.Shimada, T.Hayashi. Evaluation of the Functional Role of the Heme-6-Propionate Side Chain in Cytochrome P450CAM J.Am.Chem.Soc. V. 130 432 2008.
ISSN: ISSN 0002-7863
PubMed: 18088124
DOI: 10.1021/JA077902L