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Magnesium in PDB 2xb5: Tet Repressor (Class D) in Complex with 7-Iodotetracycline

Protein crystallography data

The structure of Tet Repressor (Class D) in Complex with 7-Iodotetracycline, PDB code: 2xb5 was solved by C.Kisker, W.Saenger, W.Hinrichs, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 64.55 / 2.50
Space group I 41 2 2
Cell size a, b, c (Å), α, β, γ (°) 68.860, 68.860, 180.940, 90.00, 90.00, 90.00
R / Rfree (%) 16.2 / 23

Other elements in 2xb5:

The structure of Tet Repressor (Class D) in Complex with 7-Iodotetracycline also contains other interesting chemical elements:

Iodine (I) 1 atom
Chlorine (Cl) 1 atom

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Tet Repressor (Class D) in Complex with 7-Iodotetracycline (pdb code 2xb5). 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 Tet Repressor (Class D) in Complex with 7-Iodotetracycline, PDB code: 2xb5:

Magnesium binding site 1 out of 1 in 2xb5

Go back to Magnesium Binding Sites List in 2xb5
Magnesium binding site 1 out of 1 in the Tet Repressor (Class D) in Complex with 7-Iodotetracycline


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Tet Repressor (Class D) in Complex with 7-Iodotetracycline within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg223

b:12.4
occ:1.00
O A:HOH2039 1.9 14.2 1.0
O11 A:I7T222 1.9 18.6 1.0
O A:HOH2016 2.0 11.5 1.0
O12 A:I7T222 2.0 16.5 1.0
NE2 A:HIS100 2.1 21.6 1.0
C11 A:I7T222 2.9 20.4 1.0
C12 A:I7T222 3.0 17.8 1.0
CE1 A:HIS100 3.1 23.9 1.0
CD2 A:HIS100 3.1 21.7 1.0
C1B A:I7T222 3.4 18.7 1.0
O10 A:I7T222 3.9 26.0 1.0
O A:THR103 3.9 31.1 1.0
OG1 A:THR103 4.0 25.1 1.0
O A:HOH2040 4.1 17.1 1.0
ND1 A:HIS100 4.2 24.9 1.0
CG A:HIS100 4.2 21.9 1.0
C1A A:I7T222 4.2 22.5 1.0
C1C A:I7T222 4.4 19.7 1.0
O1C A:I7T222 4.5 26.2 1.0
C10 A:I7T222 4.6 23.1 1.0
C A:THR103 4.6 30.1 1.0
C5A A:I7T222 4.8 20.1 1.0
O A:HIS100 4.9 24.1 1.0
O1 A:I7T222 5.0 25.9 1.0

Reference:

W.Hinrichs, C.Kisker, M.Duvel, A.Muller, K.Tovar, W.Hillen, W.Saenger. Structure of the Tet Repressor-Tetracycline Complex and Regulation of Antibiotic Resistance. Science V. 264 418 1994.
ISSN: ISSN 0036-8075
PubMed: 8153629
DOI: 10.1126/SCIENCE.8153629
Page generated: Sun Aug 10 16:22:27 2025

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