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

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

All present enzymatic activity of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Tetragonal 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, Tetragonal Crystal Form, PDB code: 3fwi 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) 44.95 / 2.40
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 63.580, 63.580, 243.140, 90.00, 90.00, 90.00
R / Rfree (%) 17.6 / 23.8

Other elements in 3fwi:

The structure of Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Tetragonal 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, Tetragonal Crystal Form (pdb code 3fwi). 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, Tetragonal Crystal Form, PDB code: 3fwi:

Potassium binding site 1 out of 1 in 3fwi

Go back to Potassium Binding Sites List in 3fwi
Potassium binding site 1 out of 1 in the Ferric Camphor Bound Cytochrome P450CAM Containing A Selenocysteine As the 5TH Heme Ligand, Tetragonal 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, Tetragonal Crystal Form within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1

b:21.2
occ:1.00
 O A:TYR96 2.6 18.4 1.0
O A:GLU84 2.7 21.9 1.0
O A:GLY93 2.8 17.6 1.0
O A:GLU94 2.8 18.8 1.0
C A:GLU94 3.5 17.7 1.0
C A:TYR96 3.7 19.6 1.0
CA A:GLU94 3.8 17.5 1.0
C A:GLU84 3.9 21.9 1.0
C A:GLY93 3.9 18.4 1.0
N A:TYR96 4.2 18.6 1.0
CA A:TYR96 4.3 19.5 1.0
N A:GLU94 4.4 17.6 1.0
CA A:CYS85 4.5 22.0 1.0
O A:HOH663 4.5 39.0 1.0
CG A:GLU84 4.5 27.3 1.0
C A:ALA95 4.5 18.6 1.0
CB A:TYR96 4.6 19.0 1.0
N A:ALA95 4.6 16.9 1.0
N A:CYS85 4.6 20.8 1.0
N A:ASP97 4.7 21.3 1.0
CA A:ASP97 4.9 21.7 1.0
CB A:CYS85 4.9 22.1 1.0
CA A:GLU84 4.9 23.2 1.0
O A:ALA95 5.0 18.9 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 04:57:02 2025

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