Magnesium in PDB 2qtn: Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase

All present enzymatic activity of Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase:
2.7.7.18;

The structure of Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase, PDB code: 2qtn was solved by V.C.Sershon, B.D.Santarsiero, A.D.Mesecar, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.40
Space group	P 61
Cell size a, b, c (Å), α, β, γ (°)	95.895, 95.895, 84.532, 90.00, 90.00, 120.00
R / Rfree (%)	20.4 / 28.7

The binding sites of Magnesium atom in the Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase (pdb code 2qtn). 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 Nicotinate Mononucleotide Adenylyltransferase, PDB code: 2qtn:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase


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 Nicotinate Mononucleotide Adenylyltransferase within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg190 b:43.5 occ:1.00 NE2 A:HIS27 2.2 49.9 1.0 O A:HOH225 2.9 53.8 1.0 O B:HOH257 3.0 51.0 1.0 O B:HOH265 3.1 56.2 1.0 CD2 A:HIS27 3.1 48.6 1.0 CE1 A:HIS27 3.2 50.1 1.0 OG1 B:THR168 4.2 43.9 1.0 CG A:HIS27 4.3 49.0 1.0 ND1 A:HIS27 4.3 51.5 1.0 CB B:THR168 4.3 45.4 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of Nicotinate Mononucleotide Adenylyltransferase


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 Nicotinate Mononucleotide Adenylyltransferase within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg190 b:49.6 occ:1.00 NE2 B:HIS27 2.2 44.6 1.0 O A:HOH219 2.5 50.9 1.0 CE1 B:HIS27 3.1 46.7 1.0 CD2 B:HIS27 3.3 45.3 1.0 O A:HOH238 3.9 63.6 1.0 ND1 B:HIS27 4.3 46.5 1.0 CG B:HIS27 4.4 45.1 1.0 OG1 A:THR168 4.5 49.1 1.0 CB A:THR168 4.7 49.4 1.0

V.C.Sershon, B.D.Santarsiero, A.D.Mesecar. Kinetic and X-Ray Structural Evidence For Negative Cooperativity in Substrate Binding to Nicotinate Mononucleotide Adenylyltransferase (Nmat) From Bacillus Anthracis. J.Mol.Biol. V. 385 867 2009.
ISSN: ISSN 0022-2836
PubMed: 18977360
DOI: 10.1016/J.JMB.2008.10.037