Magnesium in PDB 6jxj: Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP)

All present enzymatic activity of Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP):
7.2.2.19;

The structure of Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP), PDB code: 6jxj was solved by K.Abe, K.Irie, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.71 / 2.50
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	103.230, 103.230, 369.440, 90.00, 90.00, 120.00
R / Rfree (%)	21.4 / 27.3

The structure of Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP) also contains other interesting chemical elements:

Fluorine	(F)	4 atoms
Rubidium	(Rb)	8 atoms
Aluminium	(Al)	1 atom

The binding sites of Magnesium atom in the Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP) (pdb code 6jxj). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP), PDB code: 6jxj:

Magnesium binding site 1 out of 1 in the Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rb+-Bound E2-Alf State of the Gastric Proton Pump (TYR799TRP) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1101 b:33.7 occ:1.00 O A:HOH1238 2.0 31.4 1.0 O A:THR387 2.2 37.3 1.0 F3 A:ALF1107 2.4 39.0 1.0 OD1 A:ASP726 2.4 40.2 1.0 O A:HOH1308 2.8 77.0 1.0 C A:THR387 3.2 35.7 1.0 CG A:ASP726 3.2 32.7 1.0 OD2 A:ASP726 3.3 38.7 1.0 O A:GLY229 3.3 58.1 1.0 OD2 A:ASP385 3.4 26.6 1.0 CB A:THR387 3.6 48.3 1.0 F1 A:ALF1107 3.7 41.3 1.0 O A:HOH1479 3.8 50.4 1.0 CG2 A:THR387 3.8 45.2 1.0 CA A:THR387 3.9 44.3 1.0 AL A:ALF1107 3.9 35.0 1.0 N A:GLY388 4.1 30.5 1.0 C A:GLY229 4.2 41.2 1.0 CA A:GLY229 4.2 29.6 1.0 CG A:ASP385 4.4 43.7 1.0 CA A:GLY388 4.4 36.7 1.0 OD1 A:ASP385 4.5 50.8 1.0 N A:THR387 4.5 39.3 1.0 CB A:ASP726 4.7 23.9 1.0 RB A:RB1113 4.8 50.8 1.0 N A:GLY727 4.8 29.2 1.0 OG1 A:THR387 4.9 52.7 1.0 F2 A:ALF1107 4.9 34.2 1.0 C A:ASP726 4.9 35.6 1.0

K.Yamamoto, V.Dubey, K.Irie, H.Nakanishi, H.Khandelia, Y.Fujiyoshi, K.Abe. A Single K+-Binding Site in the Crystal Structure of the Gastric Proton Pump. Elife V. 8 2019.
ISSN: ESSN 2050-084X
PubMed: 31436534
DOI: 10.7554/ELIFE.47701