Magnesium in PDB 2xk2: Structure of HSP90 with Small Molecule Inhibitor Bound

The structure of Structure of HSP90 with Small Molecule Inhibitor Bound, PDB code: 2xk2 was solved by C.W.Murray, M.G.Carr, O.Callaghan, G.Chessari, M.Congreve, S.Cowan, J.E.Coyle, R.Downham, E.Figueroa, M.Frederickson, B.Graham, R.Mcmenamin, M.A.Obrien, S.Patel, T.R.Phillips, G.Williams, A.J.Woodhead, A.J.A.Woolford, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.61 / 1.95
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	53.903, 44.143, 53.816, 90.00, 115.95, 90.00
R / Rfree (%)	18.53 / 25.66

The binding sites of Magnesium atom in the Structure of HSP90 with Small Molecule Inhibitor Bound (pdb code 2xk2). 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 Structure of HSP90 with Small Molecule Inhibitor Bound, PDB code: 2xk2:

Magnesium binding site 1 out of 1 in the Structure of HSP90 with Small Molecule Inhibitor Bound


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of HSP90 with Small Molecule Inhibitor Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1225 b:20.3 occ:1.00 O2A A:ADP1226 2.1 18.0 1.0 O A:HOH2254 2.1 15.9 1.0 O A:HOH2069 2.1 16.0 1.0 OD1 A:ASN51 2.2 23.3 1.0 O A:HOH2073 2.2 18.8 1.0 O1B A:ADP1226 2.2 17.4 1.0 PB A:ADP1226 3.1 19.2 1.0 CG A:ASN51 3.1 20.5 1.0 PA A:ADP1226 3.2 17.9 1.0 O3A A:ADP1226 3.3 18.9 1.0 ND2 A:ASN51 3.4 12.1 1.0 O2B A:ADP1226 3.6 19.7 1.0 O5' A:ADP1226 4.0 14.2 1.0 O A:HOH2249 4.0 14.4 1.0 OE1 A:GLU47 4.1 13.9 1.0 O A:HOH2068 4.2 24.4 1.0 O A:HOH2250 4.2 26.6 1.0 O A:GLU47 4.3 13.1 1.0 CA A:GLY137 4.3 13.8 1.0 N A:GLY137 4.5 14.7 1.0 O1A A:ADP1226 4.5 17.5 1.0 CB A:ASN51 4.5 6.6 1.0 O3B A:ADP1226 4.5 16.4 1.0 N A:PHE138 4.6 11.3 1.0 C A:GLY137 4.7 17.2 1.0 CA A:ASN51 4.9 9.8 1.0 N A:ASN51 4.9 10.2 1.0

C.W.Murray, M.G.Carr, O.Callaghan, G.Chessari, M.Congreve, S.Cowan, J.E.Coyle, R.Downham, E.Figueroa, M.Frederickson, B.Graham, R.Mcmenamin, M.A.O'brien, S.Patel, T.R.Phillips, G.Williams, A.J.Woodhead, A.J.A.Woolford. Fragment-Based Drug Discovery Applied to HSP90. Discovery of Two Lead Series with High Ligand Efficiency. J.Med.Chem. V. 53 5942 2010.
ISSN: ISSN 0022-2623
PubMed: 20718493
DOI: 10.1021/JM100059D