Magnesium in PDB 2ici: Crystal Structure of Streptococcal Pyrogenic Exotoxin I

The structure of Crystal Structure of Streptococcal Pyrogenic Exotoxin I, PDB code: 2ici was solved by S.Gunther, A.K.Varma, E.J.Sundberg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.38 / 1.56
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	30.864, 80.441, 43.054, 90.00, 99.51, 90.00
R / Rfree (%)	17.6 / 22.7

The binding sites of Magnesium atom in the Crystal Structure of Streptococcal Pyrogenic Exotoxin I (pdb code 2ici). 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 Crystal Structure of Streptococcal Pyrogenic Exotoxin I, PDB code: 2ici:

Magnesium binding site 1 out of 1 in the Crystal Structure of Streptococcal Pyrogenic Exotoxin I


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 Streptococcal Pyrogenic Exotoxin I within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg301 b:23.3 occ:0.50 OD2 A:ASP219 1.9 20.2 1.0 NE2 A:HIS217 2.1 23.3 1.0 O A:HOH597 2.6 32.1 1.0 CE1 A:HIS179 2.8 27.2 1.0 ND1 A:HIS179 2.9 26.3 1.0 CD2 A:HIS217 3.0 21.0 1.0 CG A:ASP219 3.1 15.3 1.0 CE1 A:HIS217 3.1 23.1 1.0 NE2 A:HIS179 3.2 27.2 1.0 OD1 A:ASP219 3.5 17.5 1.0 CG A:HIS179 3.6 23.6 1.0 CD2 A:HIS179 3.7 25.9 1.0 CG A:HIS217 4.2 18.3 1.0 ND1 A:HIS217 4.2 21.4 1.0 CB A:ASP219 4.3 12.8 1.0 CB A:HIS179 4.5 19.7 1.0 OH A:TYR221 4.6 13.0 1.0

J.N.Brouillard, S.Gunther, A.K.Varma, I.Gryski, C.A.Herfst, A.K.Rahman, D.Y.Leung, P.M.Schlievert, J.Madrenas, E.J.Sundberg, J.K.Mccormick. Crystal Structure of the Streptococcal Superantigen Spei and Functional Role of A Novel Loop Domain in T Cell Activation By Group V Superantigens. J.Mol.Biol. V. 367 925 2007.
ISSN: ISSN 0022-2836
PubMed: 17303163
DOI: 10.1016/J.JMB.2007.01.024