Magnesium in PDB 1mpn: Maltoporin Maltotriose Complex

The structure of Maltoporin Maltotriose Complex, PDB code: 1mpn was solved by R.Dutzler, T.Schirmer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 3.20
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	131.900, 214.800, 220.200, 90.00, 90.00, 90.00
R / Rfree (%)	21.8 / 23.1

The binding sites of Magnesium atom in the Maltoporin Maltotriose Complex (pdb code 1mpn). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Maltoporin Maltotriose Complex, PDB code: 1mpn:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Maltoporin Maltotriose Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Maltoporin Maltotriose Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg422 b:11.7 occ:0.33 MG C:MG422 0.4 11.7 0.3 MG B:MG422 0.5 11.7 0.3 OD1 B:ASP78 2.2 39.4 1.0 OD1 C:ASP78 2.2 39.4 1.0 OD1 A:ASP78 2.5 39.4 1.0 OD2 B:ASP78 2.6 40.0 1.0 CG B:ASP78 2.7 33.7 1.0 OD2 C:ASP78 2.8 40.0 1.0 CG C:ASP78 2.9 33.7 1.0 OD2 A:ASP78 3.0 40.0 1.0 CG A:ASP78 3.2 33.7 1.0 CB B:ASP78 4.3 24.6 1.0 CB C:ASP78 4.4 24.6 1.0 CB A:ASP78 4.7 24.6 1.0 CA B:ASP78 5.0 21.2 1.0

Magnesium binding site 2 out of 3 in the Maltoporin Maltotriose Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Maltoporin Maltotriose Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg422 b:11.7 occ:0.33 MG A:MG422 0.5 11.7 0.3 MG C:MG422 0.6 11.7 0.3 OD1 C:ASP78 2.2 39.4 1.0 OD1 A:ASP78 2.2 39.4 1.0 OD2 C:ASP78 2.5 40.0 1.0 OD1 B:ASP78 2.5 39.4 1.0 CG C:ASP78 2.7 33.7 1.0 OD2 A:ASP78 3.0 40.0 1.0 CG A:ASP78 3.0 33.7 1.0 OD2 B:ASP78 3.0 40.0 1.0 CG B:ASP78 3.2 33.7 1.0 CB C:ASP78 4.2 24.6 1.0 CB A:ASP78 4.5 24.6 1.0 CB B:ASP78 4.7 24.6 1.0 CA C:ASP78 4.9 21.2 1.0

Magnesium binding site 3 out of 3 in the Maltoporin Maltotriose Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Maltoporin Maltotriose Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg422 b:11.7 occ:0.33 MG A:MG422 0.4 11.7 0.3 MG B:MG422 0.6 11.7 0.3 OD1 B:ASP78 2.2 39.4 1.0 OD1 A:ASP78 2.3 39.4 1.0 OD1 C:ASP78 2.5 39.4 1.0 OD2 A:ASP78 2.7 40.0 1.0 OD2 B:ASP78 2.8 40.0 1.0 CG B:ASP78 2.8 33.7 1.0 CG A:ASP78 2.9 33.7 1.0 OD2 C:ASP78 3.0 40.0 1.0 CG C:ASP78 3.2 33.7 1.0 CB B:ASP78 4.4 24.6 1.0 CB A:ASP78 4.4 24.6 1.0 CB C:ASP78 4.7 24.6 1.0

R.Dutzler, Y.F.Wang, P.J.Rizkallah, J.P.Rosenbusch, T.Schirmer. Crystal Structures of Various Maltooligosaccharides Bound to Maltoporin Reveal A Specific Sugar Translocation Pathway. Structure V. 4 127 1996.
ISSN: ISSN 0969-2126
PubMed: 8805519
DOI: 10.1016/S0969-2126(96)00016-0