Magnesium in PDB 5mhk: ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter

The structure of ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter, PDB code: 5mhk was solved by R.B.Tunnicliffe, M.P.Lockhart-Cairns, C.Levy, P.Mould, T.A.Jowitt, H.Sito, C.Baldock, R.M.Sandri-Goldin, A.P.Golovanov, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	71.30 / 2.28
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	61.510, 100.730, 201.890, 90.00, 90.00, 90.00
R / Rfree (%)	21.2 / 24.3

The structure of ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Magnesium atom in the ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter (pdb code 5mhk). 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 ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter, PDB code: 5mhk:

Magnesium binding site 1 out of 1 in the ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of ICP4 Dna-Binding Domain in Complex with 19MER Dna Duplex From Its Own Promoter within 5.0Å range: probe atom residue distance (Å) B Occ H:Mg101 b:50.0 occ:1.00 O3' H:DC1 2.8 75.6 1.0 OP1 H:DC2 2.9 79.1 1.0 C5' H:DC2 2.9 55.7 1.0 P H:DC2 3.2 91.9 1.0 O5' H:DC2 3.5 68.3 1.0 C3' H:DC1 3.9 59.4 1.0 C2' H:DC1 4.1 54.4 1.0 C4' H:DC2 4.1 51.3 1.0 CB A:ALA304 4.2 39.3 1.0 C4' H:DC1 4.4 54.3 1.0 CB B:ALA479 4.5 38.4 1.0 O4' H:DC2 4.6 51.3 1.0 OP2 H:DC2 4.7 68.4 1.0 O B:ALA479 4.8 51.0 1.0 O A:ALA301 4.9 74.0 1.0

R.B.Tunnicliffe, M.P.Lockhart-Cairns, C.Levy, A.P.Mould, T.A.Jowitt, H.Sito, C.Baldock, R.M.Sandri-Goldin, A.P.Golovanov. The Herpes Viral Transcription Factor ICP4 Forms A Novel Dna Recognition Complex. Nucleic Acids Res. V. 45 8064 2017.
ISSN: ESSN 1362-4962
PubMed: 28505309
DOI: 10.1093/NAR/GKX419