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Magnesium in PDB 3gtm: Co-Complex of Backtracked Rna Polymerase II with Tfiis

Enzymatic activity of Co-Complex of Backtracked Rna Polymerase II with Tfiis

All present enzymatic activity of Co-Complex of Backtracked Rna Polymerase II with Tfiis:
2.7.7.6;

Protein crystallography data

The structure of Co-Complex of Backtracked Rna Polymerase II with Tfiis, PDB code: 3gtm was solved by D.Wang, D.A.Bushnell, X.Huang, K.D.Westover, M.Levitt, R.D.Kornberg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 40.00 / 3.80
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 172.329, 218.530, 193.913, 90.00, 100.32, 90.00
R / Rfree (%) 23.4 / 28.9

Other elements in 3gtm:

The structure of Co-Complex of Backtracked Rna Polymerase II with Tfiis also contains other interesting chemical elements:

Zinc (Zn) 9 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Co-Complex of Backtracked Rna Polymerase II with Tfiis (pdb code 3gtm). 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 Co-Complex of Backtracked Rna Polymerase II with Tfiis, PDB code: 3gtm:

Magnesium binding site 1 out of 1 in 3gtm

Go back to Magnesium Binding Sites List in 3gtm
Magnesium binding site 1 out of 1 in the Co-Complex of Backtracked Rna Polymerase II with Tfiis


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Co-Complex of Backtracked Rna Polymerase II with Tfiis within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg1734

b:48.2
occ:1.00
O3' M:A10 2.3 75.5 1.0
OD2 A:ASP483 2.5 46.7 1.0
OP1 M:U11 2.6 0.2 1.0
OD1 A:ASP485 2.7 71.2 1.0
OD1 A:ASP481 2.7 68.4 1.0
P M:U11 2.9 0.2 1.0
OD1 A:ASP483 3.1 48.3 1.0
CG A:ASP483 3.2 48.5 1.0
OD2 A:ASP481 3.2 68.8 1.0
CG A:ASP481 3.2 68.5 1.0
CG A:ASP485 3.2 69.5 1.0
C3' M:A10 3.3 73.5 1.0
OD2 A:ASP485 3.4 71.2 1.0
C4' M:A10 3.4 72.5 1.0
O2' M:A10 3.6 74.3 1.0
OP2 M:U11 3.6 0.1 1.0
C2' M:A10 4.1 73.4 1.0
O5' M:U11 4.2 0.7 1.0
C5' M:A10 4.3 72.1 1.0
O4' M:A10 4.4 72.1 1.0
CB A:ASP485 4.5 67.8 1.0
O5' M:A10 4.5 71.2 1.0
CB A:ASP481 4.6 68.3 1.0
CB A:ASP483 4.6 49.1 1.0
N A:ASP485 4.6 66.3 1.0
CA A:ASP485 4.8 66.9 1.0
C1' M:A10 4.9 73.0 1.0

Reference:

D.Wang, D.A.Bushnell, X.Huang, K.D.Westover, M.Levitt, R.D.Kornberg. Structural Basis of Transcription: Backtracked Rna Polymerase II at 3.4 Angstrom Resolution. Science V. 324 1203 2009.
ISSN: ISSN 0036-8075
PubMed: 19478184
DOI: 10.1126/SCIENCE.1168729
Page generated: Mon Dec 14 08:12:26 2020

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