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Potassium in PDB 3fwj: Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form

Enzymatic activity of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form

All present enzymatic activity of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form:
1.14.15.1;

Protein crystallography data

The structure of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form, PDB code: 3fwj was solved by I.Schlichting, K.Von Koenig, C.Aldag, D.Hilvert, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 55.38 / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 63.100, 65.000, 105.800, 90.00, 90.00, 90.00
R / Rfree (%) 18.3 / 23.1

Other elements in 3fwj:

The structure of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form also contains other interesting chemical elements:

Iron (Fe) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form (pdb code 3fwj). 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 Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form, PDB code: 3fwj:

Potassium binding site 1 out of 1 in 3fwj

Go back to Potassium Binding Sites List in 3fwj
Potassium binding site 1 out of 1 in the Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Orthorombic Crystal Form within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1

b:23.1
occ:1.00
 O A:TYR96 2.5 20.1 1.0
O A:GLU84 2.6 21.4 1.0
O A:HOH550 2.7 33.7 1.0
O A:HOH506 2.7 31.3 1.0
O A:GLY93 2.9 21.4 1.0
O A:GLU94 2.9 22.2 1.0
C A:GLU94 3.5 21.9 1.0
C A:TYR96 3.7 17.6 1.0
C A:GLU84 3.8 21.2 1.0
CA A:GLU94 3.8 22.6 1.0
C A:GLY93 3.9 21.9 1.0
N A:TYR96 4.1 18.6 1.0
CA A:TYR96 4.3 18.5 1.0
N A:GLU94 4.4 22.1 1.0
O A:HOH623 4.4 40.4 1.0
CA A:CYS85 4.5 21.4 1.0
N A:ALA95 4.5 20.6 1.0
C A:ALA95 4.5 19.3 1.0
N A:CYS85 4.5 21.0 1.0
CG A:GLU84 4.6 30.6 1.0
CB A:TYR96 4.6 18.3 1.0
N A:ASP97 4.7 18.2 1.0
CA A:GLU84 4.8 22.1 1.0
CA A:ASP97 4.9 19.8 1.0
CD A:PRO86 5.0 19.6 1.0
O A:HOH592 5.0 53.6 1.0
O A:ALA95 5.0 18.7 1.0

Reference:

C.Aldag, I.A.Gromov, I.Garcia-Rubio, K.Von Koenig, I.Schlichting, B.Jaun, D.Hilvert. Probing the Role of the Proximal Heme Ligand in Cytochrome P450CAM By Recombinant Incorporation of Selenocysteine. Proc.Natl.Acad.Sci.Usa V. 106 5481 2009.
ISSN: ISSN 0027-8424
PubMed: 19293375
DOI: 10.1073/PNAS.0810503106
Page generated: Sat Aug 9 04:57:16 2025

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