Magnesium in PDB 6bq2: Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps)

The structure of Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps), PDB code: 6bq2 was solved by B.Sekula, Z.Dauter, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.81 / 1.68
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	80.530, 80.530, 164.360, 90.00, 90.00, 90.00
R / Rfree (%)	17.6 / 21.7

The binding sites of Magnesium atom in the Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps) (pdb code 6bq2). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps), PDB code: 6bq2:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg401 b:50.7 occ:1.00 O A:HOH617 2.2 52.8 1.0 O A:HOH546 2.2 47.5 1.0 O A:HOH615 2.2 50.8 1.0 O A:HOH613 2.2 46.0 1.0 O A:HOH564 4.1 44.5 1.0 O A:GLN75 4.1 30.3 1.0 OE1 A:GLN75 4.2 38.5 1.0 O A:HOH629 4.2 51.8 1.0 OD1 A:ASP178 4.3 24.5 1.0 OE2 A:GLU109 4.4 31.0 0.5 OH A:TYR251 4.4 39.9 1.0 O A:HOH526 4.6 26.1 1.0 OH A:TYR84 4.6 25.4 1.0 O A:LEU179 4.6 38.2 1.0 CZ A:TYR84 4.8 21.5 1.0 OE1 A:GLU109 5.0 29.6 0.5 C A:GLN75 5.0 29.5 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of Medicago Truncatula Thermospermine Synthase (Mttsps) within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg402 b:43.1 occ:1.00 O B:HOH514 2.2 38.3 1.0 O B:HOH619 2.2 43.0 1.0 O2 B:EDO401 2.2 50.2 1.0 C2 B:EDO401 3.1 53.9 1.0 O B:HOH590 3.7 36.1 1.0 OE2 B:GLU30 3.8 34.9 1.0 O B:HOH563 3.9 31.7 1.0 O B:HOH664 4.2 39.7 1.0 O B:LEU74 4.4 27.4 1.0 C1 B:EDO401 4.5 54.4 1.0 CH2 B:TRP255 4.5 23.2 1.0 O B:TYR251 4.6 27.6 1.0 CZ3 B:TRP255 4.6 23.6 1.0 O B:HOH651 4.7 49.6 1.0 CD B:GLU30 4.9 33.8 1.0 CD1 B:ILE32 5.0 43.1 1.0

B.Sekula, Z.Dauter. Crystal Structure of Thermospermine Synthase Frommedicago Truncatulaand Substrate Discriminatory Features of Plant Aminopropyltransferases. Biochem. J. V. 475 787 2018.
ISSN: ESSN 1470-8728
PubMed: 29367265
DOI: 10.1042/BCJ20170900