Potassium in PDB 3hw9: Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction

The structure of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction, PDB code: 3hw9 was solved by D.Balasundaresan, S.Raychaudhury, L.Blachowicz, B.Roux, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.93 / 2.61
Space group	P 63
Cell size a, b, c (Å), α, β, γ (°)	117.545, 117.545, 121.287, 90.00, 90.00, 120.00
R / Rfree (%)	22.9 / 30

The structure of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction (pdb code 3hw9). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction, PDB code: 3hw9:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction within 5.0Å range: probe atom residue distance (Å) B Occ A:K342 b:0.7 occ:1.00 O A:HOH410 2.8 69.7 1.0 CD1 A:PHE118 4.6 43.9 1.0 O A:HOH398 4.6 41.4 1.0 C5 A:P6G341 4.7 75.0 1.0

Potassium binding site 2 out of 4 in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction within 5.0Å range: probe atom residue distance (Å) B Occ B:K342 b:90.7 occ:1.00 O B:HOH350 2.8 68.3 1.0 O B:HOH404 2.8 47.3 1.0 O B:GLU117 3.3 47.1 1.0 CL B:CL345 3.9 72.2 1.0 O19 B:P6G341 4.2 52.9 1.0 O B:HOH401 4.3 50.6 1.0 O B:GLY119 4.4 42.9 1.0 C B:GLU117 4.5 45.4 1.0 O B:PHE118 4.6 43.8 1.0 O B:HOH351 4.7 69.0 1.0 C18 B:P6G341 4.7 57.1 1.0 OD1 B:ASP113 4.8 57.6 1.0 C B:PHE118 4.9 44.4 1.0 CA B:PHE118 4.9 43.9 1.0

Potassium binding site 3 out of 4 in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction within 5.0Å range: probe atom residue distance (Å) B Occ B:K343 b:79.0 occ:1.00 OH B:TYR40 3.3 46.9 1.0 O B:HOH357 3.4 61.1 1.0 O B:HOH404 3.6 47.3 1.0 NZ B:LYS16 3.7 54.2 1.0 O B:PRO116 3.7 47.9 1.0 OH B:TYR310 3.9 41.6 1.0 OE1 B:GLU117 4.2 45.2 1.0 CZ B:TYR310 4.5 46.6 1.0 CZ B:TYR40 4.6 45.2 1.0 C18 B:P6G341 4.7 57.1 1.0 C B:PRO116 4.8 45.1 1.0 CE B:LYS16 4.9 49.8 1.0 CE2 B:TYR310 4.9 44.2 1.0 O19 B:P6G341 4.9 52.9 1.0 CD B:GLU117 4.9 44.6 1.0 CA B:GLU117 4.9 43.9 1.0

Potassium binding site 4 out of 4 in the Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Cation Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction within 5.0Å range: probe atom residue distance (Å) B Occ B:K344 b:80.8 occ:1.00 O B:HOH353 2.9 49.1 1.0 O B:ASN316 3.3 55.8 1.0 O B:ILE318 3.5 61.0 1.0 O B:SER328 3.5 56.2 1.0 O B:HOH374 3.9 64.3 1.0 C B:ILE318 4.5 61.7 1.0 C B:ASN316 4.5 54.0 1.0 C B:SER328 4.7 56.4 1.0 C B:GLN317 4.9 56.7 1.0 CA B:ASP319 5.0 67.4 1.0

B.Dhakshnamoorthy, S.Raychaudhury, L.Blachowicz, B.Roux. Cation-Selective Pathway of Ompf Porin Revealed By Anomalous X-Ray Diffraction. J.Mol.Biol. V. 396 293 2010.
ISSN: ISSN 0022-2836
PubMed: 19932117
DOI: 10.1016/J.JMB.2009.11.042