Magnesium in PDB 4b48: Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp

The structure of Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp, PDB code: 4b48 was solved by A.Simonetti, A.Urzhumtsev, B.P.Klaholz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.345 / 2.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	45.020, 61.950, 160.420, 90.00, 90.00, 90.00
R / Rfree (%)	23.36 / 29.44

The binding sites of Magnesium atom in the Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp (pdb code 4b48). 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 Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp, PDB code: 4b48:

Magnesium binding site 1 out of 1 in the Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Bacterial Translation Initiation Factor IF2 (1-363), Complex with Gtp within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1356 b:0.9 occ:1.00 O1B A:GTP1355 2.2 0.9 1.0 O1G A:GTP1355 2.7 0.8 0.7 O2G A:GTP1355 3.1 0.6 0.7 O A:HOH2025 3.1 96.4 1.0 PB A:GTP1355 3.1 0.7 1.0 PG A:GTP1355 3.3 0.9 0.7 O2B A:GTP1355 3.3 0.2 1.0 O3B A:GTP1355 3.5 0.3 1.0 OG1 A:THR87 4.0 0.7 1.0 O1A A:GTP1355 4.5 97.5 1.0 O3A A:GTP1355 4.6 0.5 1.0 O3G A:GTP1355 4.7 0.2 0.7

A.Simonetti, S.Marzi, A.Fabbretti, I.Hazemann, L.Jenner, A.Urzhumtsev, C.O.Gualerzi, B.P.Klaholz. Structure of the Protein Core of Translation Initiation Factor 2 in Apo, Gtp-Bound and Gdp-Bound Forms Acta Crystallogr.,Sect.D V. 69 925 2013.
ISSN: ISSN 0907-4449
PubMed: 23695237
DOI: 10.1107/S0907444913006422