Magnesium in PDB 8wew: Haloquadratum Walsbyi Middle Rhodopsin

The structure of Haloquadratum Walsbyi Middle Rhodopsin, PDB code: 8wew was solved by L.N.Ko, G.Z.Lim, T.Ko, C.S.Yang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.81 / 2.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	61.46, 62.47, 122.35, 90, 90, 90
R / Rfree (%)	28.7 / 33.4

The binding sites of Magnesium atom in the Haloquadratum Walsbyi Middle Rhodopsin (pdb code 8wew). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Haloquadratum Walsbyi Middle Rhodopsin, PDB code: 8wew:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Haloquadratum Walsbyi Middle Rhodopsin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Haloquadratum Walsbyi Middle Rhodopsin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg302 b:34.0 occ:1.00 O B:HOH427 2.0 23.1 1.0 O B:HOH425 2.2 20.7 1.0 O B:HOH401 2.6 30.0 1.0 O B:ASN176 3.4 14.9 1.0 C B:ASN176 3.8 16.1 1.0 CA B:ILE177 3.8 16.7 1.0 N B:ILE177 4.0 15.7 1.0 CB B:ASN176 4.4 17.3 1.0 CG1 B:ILE177 4.4 17.3 1.0 NH1 B:ARG173 4.7 33.0 1.0 CB B:ILE177 4.7 17.1 1.0 CA B:ASN176 4.7 16.9 1.0 O B:ILE177 4.7 17.1 1.0 C B:ILE177 4.7 17.6 1.0 CA B:GLY180 4.9 20.9 1.0

Magnesium binding site 2 out of 3 in the Haloquadratum Walsbyi Middle Rhodopsin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Haloquadratum Walsbyi Middle Rhodopsin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg303 b:36.8 occ:1.00 OD2 B:ASP213 1.9 23.2 1.0 CG B:ASP213 2.8 23.2 1.0 OD1 B:ASP213 3.1 23.2 1.0 NH1 B:ARG81 3.1 34.9 1.0 OD2 B:ASP84 3.2 34.6 1.0 NE1 B:TRP85 3.4 31.0 1.0 OH B:TYR55 3.7 43.4 1.0 NZ B:LYS217 4.0 25.3 1.0 CB B:ASP213 4.1 21.3 1.0 CZ B:TYR55 4.1 37.9 1.0 CD1 B:TRP85 4.2 32.5 1.0 CE2 B:TRP85 4.2 35.4 1.0 C14 B:RET301 4.3 20.6 0.0 CG B:ASP84 4.3 34.2 1.0 CE2 B:TYR55 4.3 34.6 1.0 C15 B:RET301 4.4 20.2 0.0 CZ B:ARG81 4.4 31.8 1.0 CZ2 B:TRP85 4.5 35.1 1.0 CG B:ARG81 4.5 25.4 1.0 CB B:TYR209 4.9 15.9 1.0 OD1 B:ASP84 4.9 36.1 1.0 CE1 B:TYR55 5.0 34.8 1.0 O B:TYR209 5.0 11.9 1.0

Magnesium binding site 3 out of 3 in the Haloquadratum Walsbyi Middle Rhodopsin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Haloquadratum Walsbyi Middle Rhodopsin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg304 b:44.9 occ:1.00 CD2 B:PHE220 3.3 21.6 1.0 CG B:PHE220 3.3 22.6 1.0 OG1 B:THR178 3.4 23.9 1.0 CB B:PHE220 3.5 22.0 1.0 CD2 B:LEU92 3.5 17.1 1.0 O B:THR216 3.6 25.8 1.0 CG2 B:THR178 3.7 23.7 1.0 NE1 B:TRP182 3.7 27.2 1.0 CB B:THR178 3.8 23.3 1.0 CA B:THR178 3.9 21.9 1.0 CE2 B:PHE220 4.0 22.2 1.0 CD1 B:PHE220 4.0 21.0 1.0 CD1 B:LEU92 4.2 18.8 1.0 CG B:LEU92 4.2 18.0 1.0 CE2 B:TRP182 4.4 25.4 1.0 N B:THR178 4.4 19.4 1.0 CZ2 B:TRP182 4.4 27.0 1.0 CB B:LEU92 4.5 18.4 1.0 C B:THR216 4.5 22.5 1.0 CZ B:PHE220 4.5 21.1 1.0 CE1 B:PHE220 4.6 21.5 1.0 CD1 B:TRP182 4.7 26.4 1.0 CA B:THR216 4.7 19.0 1.0

L.N.Ko, G.Z.Lim, T.Ko, C.S.Yang. Crystal Structure of Haloquadratum Walsbyi Middle Rhodopsin at 2.5 Angstroms Resolution. To Be Published.