Magnesium in PDB 4lse: Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr

The structure of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr, PDB code: 4lse was solved by D.Balasundaresan, L.Blachowicz, B.Roux, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	36.28 / 2.10
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	76.697, 112.103, 131.169, 90.00, 90.00, 90.00
R / Rfree (%)	22.9 / 29

The structure of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr also contains other interesting chemical elements:

Bromine

(Br)

8 atoms

The binding sites of Magnesium atom in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr (pdb code 4lse). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 6 binding sites of Magnesium where determined in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr, PDB code: 4lse:
Jump to Magnesium binding site number: 1; 2; 3; 4; 5; 6;

Magnesium binding site 1 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg405 b:34.8 occ:1.00 O A:HOH696 2.2 39.3 1.0 O1 A:PEG407 3.7 48.4 1.0 O A:GLU117 3.9 19.1 1.0 CD1 A:PHE118 4.7 22.2 1.0 OH A:TYR22 4.7 17.9 1.0 OE2 A:GLU117 4.7 18.5 1.0 CA A:PHE118 4.7 20.0 1.0 C A:GLU117 4.9 20.1 1.0 C1 A:PEG407 5.0 49.6 1.0

Magnesium binding site 2 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg406 b:25.5 occ:0.97 O A:ASN207 2.1 32.3 1.0 OD1 A:ASN252 2.3 24.7 1.0 OD1 A:ASN236 2.3 23.1 1.0 CG A:ASN252 3.2 24.2 1.0 C A:ASN207 3.3 32.0 1.0 CG A:ASN236 3.4 23.6 1.0 CB A:ASN252 3.4 22.4 1.0 N A:ASN207 3.7 31.0 1.0 ND2 A:ASN236 3.8 23.8 1.0 CA A:ASN252 3.8 21.9 1.0 CA A:ASN207 3.9 32.0 1.0 O A:HOH563 4.1 34.4 1.0 CB A:ASN207 4.2 32.0 1.0 O A:HOH693 4.3 31.6 1.0 N A:GLY208 4.3 32.2 1.0 O A:ASN252 4.3 22.1 1.0 ND2 A:ASN252 4.4 23.6 1.0 C A:ASN252 4.5 21.8 1.0 CA A:GLY208 4.6 32.0 1.0 CB A:ASN236 4.8 22.4 1.0 C A:GLY206 4.8 30.6 1.0

Magnesium binding site 3 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg403 b:40.2 occ:1.00 O2 B:PEG404 2.9 40.0 1.0 C2 B:PEG404 3.8 40.2 1.0 C3 B:PEG404 3.8 41.9 1.0 O B:HOH520 3.9 43.6 1.0 O B:GLU117 4.3 20.1 1.0 OH B:TYR22 4.4 20.2 1.0 C1 B:PEG404 4.4 40.3 1.0 C4 B:PEG404 4.6 43.2 1.0 O B:HOH645 4.6 42.7 1.0 OE2 B:GLU117 4.7 21.2 1.0 CD1 B:PHE118 4.9 21.6 1.0

Magnesium binding site 4 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 4 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg407 b:31.5 occ:1.00 O B:ASN207 2.2 32.1 1.0 O B:HOH609 2.3 18.8 1.0 O B:HOH622 2.4 29.1 1.0 OD1 B:ASN236 2.4 22.4 1.0 OD1 B:ASN252 2.4 24.4 1.0 O B:HOH572 2.7 23.4 1.0 CG B:ASN236 3.2 22.5 1.0 CG B:ASN252 3.3 23.6 1.0 ND2 B:ASN236 3.3 21.1 1.0 C B:ASN207 3.4 31.9 1.0 CB B:ASN252 3.6 22.3 1.0 O B:HOH699 3.7 38.4 1.0 N B:ASN207 4.0 30.6 1.0 CA B:ASN252 4.0 21.9 1.0 O B:ASN252 4.2 20.7 1.0 CA B:ASN207 4.2 31.8 1.0 N B:GLY208 4.3 31.9 1.0 ND2 B:ASN252 4.5 23.4 1.0 CA B:GLY208 4.5 32.0 1.0 C B:ASN252 4.6 21.5 1.0 CB B:ASN236 4.7 21.6 1.0 O B:HOH617 4.7 32.5 1.0 CB B:ASN207 4.8 31.8 1.0

Magnesium binding site 5 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 5 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg401 b:29.0 occ:0.96 OD1 C:ASN236 2.3 22.1 1.0 O C:HOH625 2.4 25.9 1.0 O C:ASN207 2.4 31.3 1.0 OD1 C:ASN252 2.4 24.0 1.0 O C:HOH617 2.5 25.1 1.0 CG C:ASN236 3.2 22.9 1.0 CG C:ASN252 3.3 23.0 1.0 ND2 C:ASN236 3.3 22.9 1.0 C C:ASN207 3.6 31.6 1.0 CB C:ASN252 3.6 21.8 1.0 CA C:ASN252 3.9 21.5 1.0 O C:HOH645 4.0 21.9 1.0 O C:ASN252 4.0 21.4 1.0 N C:ASN207 4.1 30.5 1.0 CA C:ASN207 4.4 31.3 1.0 C C:ASN252 4.4 21.6 1.0 ND2 C:ASN252 4.5 21.9 1.0 N C:GLY208 4.5 31.9 1.0 CB C:ASN236 4.6 21.8 1.0 O C:HOH579 4.6 30.1 1.0 CA C:GLY208 4.7 31.8 1.0 CB C:ASN207 4.9 31.8 1.0 N C:ASN236 4.9 22.2 1.0

Magnesium binding site 6 out of 6 in the Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 6 of Ion Selectivity of Ompf Porin Soaked in 0.2M Nabr within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg403 b:22.7 occ:1.00 O C:ARG168 2.6 17.3 1.0 O C:HOH704 2.8 12.0 1.0 OD1 C:ASN170 2.8 18.1 1.0 O C:HOH703 2.9 16.2 1.0 C C:ARG168 3.5 17.6 1.0 CA C:ASP126 3.8 16.4 1.0 C C:ASP126 3.8 17.3 1.0 O C:ASP126 3.8 17.3 1.0 CB C:ASP126 3.8 16.6 1.0 CG C:ASN170 3.9 16.7 1.0 ND2 C:ASN161 4.0 21.0 1.0 C C:SER169 4.1 17.4 1.0 NE C:ARG163 4.1 18.2 1.0 O C:SER169 4.2 17.4 1.0 CG1 C:VAL133 4.2 19.7 1.0 N C:SER169 4.3 17.5 1.0 CA C:SER169 4.3 17.7 1.0 CB C:ASN170 4.3 16.9 1.0 OD1 C:ASP126 4.3 14.0 1.0 CA C:ARG168 4.4 17.7 1.0 CB C:ASN161 4.4 20.4 1.0 N C:ASN170 4.5 16.5 1.0 O C:HOH556 4.5 16.7 1.0 N C:ASP127 4.5 16.9 1.0 CG C:ASP126 4.6 16.4 1.0 CG C:ASN161 4.6 20.4 1.0 NH2 C:ARG163 4.6 20.0 1.0 CZ C:ARG163 4.9 18.4 1.0 CB C:VAL133 4.9 17.9 1.0

B.Dhakshnamoorthy, B.K.Ziervogel, L.Blachowicz, B.Roux. A Structural Study of Ion Permeation in Ompf Porin From Anomalous X-Ray Diffraction and Molecular Dynamics Simulations. J.Am.Chem.Soc. V. 135 16561 2013.
ISSN: ISSN 0002-7863
PubMed: 24106986
DOI: 10.1021/JA407783A