Potassium in PDB 4g3r: Crystal Structure of Nitrosyl Cytochrome P450CAM

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

The structure of Crystal Structure of Nitrosyl Cytochrome P450CAM, PDB code: 4g3r was solved by Y.Madrona, S.M.Tripathi, H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.10 / 2.20
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	67.553, 62.269, 95.490, 90.00, 90.06, 90.00
R / Rfree (%)	19 / 25

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

Iron

(Fe)

2 atoms

The binding sites of Potassium atom in the Crystal Structure of Nitrosyl Cytochrome P450CAM (pdb code 4g3r). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of Nitrosyl Cytochrome P450CAM, PDB code: 4g3r:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of Nitrosyl 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 Nitrosyl Cytochrome P450CAM within 5.0Å range: probe atom residue distance (Å) B Occ A:K503 b:30.2 occ:1.00 O A:TYR96 2.6 28.2 1.0 O A:GLU84 2.7 24.7 1.0 O A:HOH841 2.8 35.3 1.0 O A:GLY93 2.8 30.0 1.0 O A:GLU94 2.9 29.1 1.0 O A:HOH758 3.0 39.7 1.0 C A:GLU94 3.4 25.6 1.0 CA A:GLU94 3.6 25.8 1.0 C A:TYR96 3.7 26.1 1.0 C A:GLY93 3.9 26.8 1.0 C A:GLU84 3.9 25.2 1.0 O A:HOH791 4.1 28.9 1.0 N A:TYR96 4.1 30.2 1.0 N A:GLU94 4.2 23.6 1.0 CA A:TYR96 4.4 27.5 1.0 N A:ALA95 4.4 22.3 1.0 C A:ALA95 4.5 29.4 1.0 CA A:CYS85 4.5 23.4 1.0 CG A:GLU84 4.6 37.0 1.0 CB A:TYR96 4.6 23.6 1.0 N A:CYS85 4.7 23.0 1.0 N A:ASP97 4.7 23.2 1.0 O A:HOH743 4.9 60.5 1.0 CA A:ASP97 4.9 24.6 1.0 CB A:GLU94 4.9 24.5 1.0 CA A:ALA95 5.0 22.9 1.0 CA A:GLU84 5.0 25.7 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of Nitrosyl Cytochrome P450CAM


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Nitrosyl Cytochrome P450CAM within 5.0Å range: probe atom residue distance (Å) B Occ B:K503 b:36.8 occ:1.00 O B:GLU84 2.3 38.0 1.0 O B:TYR96 2.6 33.1 1.0 O B:GLU94 2.7 39.2 1.0 O B:GLY93 2.8 53.2 1.0 O B:HOH765 2.9 42.6 1.0 O B:HOH713 3.0 45.5 1.0 C B:GLU94 3.5 41.8 1.0 C B:GLU84 3.5 44.3 1.0 C B:TYR96 3.7 38.8 1.0 CA B:GLU94 3.8 47.0 1.0 C B:GLY93 3.9 49.2 1.0 CG B:GLU84 4.1 57.0 1.0 N B:TYR96 4.2 44.2 1.0 N B:GLU94 4.3 46.3 1.0 CA B:GLU84 4.4 43.7 1.0 CA B:TYR96 4.4 42.3 1.0 N B:CYS85 4.5 46.9 1.0 N B:ALA95 4.5 41.2 1.0 CA B:CYS85 4.6 46.1 1.0 C B:ALA95 4.6 42.8 1.0 N B:ASP97 4.7 37.6 1.0 CB B:TYR96 4.7 43.0 1.0 CB B:GLU84 4.8 53.6 1.0 CA B:ASP97 4.9 37.7 1.0

Y.Madrona, S.Tripathi, H.Li, T.L.Poulos. Crystal Structures of Substrate-Free and Nitrosyl Cytochrome P450CIN: Implications For O(2) Activation. Biochemistry V. 51 6623 2012.
ISSN: ISSN 0006-2960
PubMed: 22775403
DOI: 10.1021/BI300666U