Magnesium in PDB 2vnd: The N69Q Mutant of Vibrio Cholerae Endonuclease I

The structure of The N69Q Mutant of Vibrio Cholerae Endonuclease I, PDB code: 2vnd was solved by L.Niiranen, B.Altermark, B.O.Brandsdal, H.-K.S.Leiros, R.Helland, A.O.Smalas, N.P.Willassen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	40.265, 64.411, 75.639, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 25.9

The structure of The N69Q Mutant of Vibrio Cholerae Endonuclease I also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Magnesium atom in the The N69Q Mutant of Vibrio Cholerae Endonuclease I (pdb code 2vnd). 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 The N69Q Mutant of Vibrio Cholerae Endonuclease I, PDB code: 2vnd:

Magnesium binding site 1 out of 1 in the The N69Q Mutant of Vibrio Cholerae Endonuclease I


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of The N69Q Mutant of Vibrio Cholerae Endonuclease I within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1232 b:22.7 occ:1.00 O A:HOH2119 1.9 11.9 1.0 OE1 A:GLU79 2.0 11.9 1.0 OD1 A:ASN127 2.1 17.2 1.0 O A:HOH2118 2.2 22.4 1.0 O A:HOH2075 2.3 15.0 1.0 O A:HOH2076 2.6 18.5 1.0 CD A:GLU79 3.1 11.4 1.0 CG A:ASN127 3.2 13.3 1.0 OE2 A:GLU79 3.7 13.5 1.0 ND2 A:ASN127 3.8 14.7 1.0 O A:SER131 4.0 12.0 1.0 N A:HIS80 4.0 11.4 1.0 O A:ASN127 4.0 10.2 1.0 CA A:GLU79 4.2 10.4 1.0 O A:HOH2078 4.2 13.7 1.0 O A:HOH2074 4.3 26.1 1.0 CG A:GLU79 4.3 10.3 1.0 O A:HIS80 4.4 10.3 1.0 CB A:ASN127 4.5 12.3 1.0 CA A:ASN127 4.6 11.9 1.0 C A:ASN127 4.6 11.4 1.0 CB A:GLU79 4.6 9.7 1.0 O A:HOH2124 4.6 30.1 1.0 C A:GLU79 4.7 10.8 1.0 O A:TRP78 4.9 10.3 1.0 C A:SER131 4.9 11.1 1.0 CA A:HIS80 4.9 11.1 1.0 NH1 A:ARG130 5.0 11.1 1.0 CB A:HIS80 5.0 12.2 1.0 C A:HIS80 5.0 10.8 1.0

L.Niiranen, B.Altermark, B.O.Brandsdal, H.-K.S.Leiros, R.Helland, A.O.Smalas, N.P.Willassen. Effects of Salt on the Kinetics and Thermodynamic Stability of Endonuclease I From Vibrio Salmonicida and Vibrio Cholerae. Febs J. V. 275 1593 2008.
ISSN: ISSN 1742-464X
PubMed: 18312415
DOI: 10.1111/J.1742-4658.2008.06317.X