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Magnesium in PDB 1r5u: Rna Polymerase II Tfiib Complex

Enzymatic activity of Rna Polymerase II Tfiib Complex

All present enzymatic activity of Rna Polymerase II Tfiib Complex:
2.7.7.6;

Protein crystallography data

The structure of Rna Polymerase II Tfiib Complex, PDB code: 1r5u was solved by D.A.Bushnell, K.D.Westover, R.Davis, R.D.Kornberg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 4.50
Space group I 2 2 2
Cell size a, b, c (Å), α, β, γ (°) 212.438, 217.182, 422.876, 90.00, 90.00, 90.00
R / Rfree (%) 34.5 / 37.3

Other elements in 1r5u:

The structure of Rna Polymerase II Tfiib Complex also contains other interesting chemical elements:

Zinc (Zn) 9 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Rna Polymerase II Tfiib Complex (pdb code 1r5u). 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 Rna Polymerase II Tfiib Complex, PDB code: 1r5u:

Magnesium binding site 1 out of 1 in 1r5u

Go back to Magnesium Binding Sites List in 1r5u
Magnesium binding site 1 out of 1 in the Rna Polymerase II Tfiib Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rna Polymerase II Tfiib Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg1736

b:47.1
occ:1.00
OD2 A:ASP483 2.7 0.8 1.0
OD2 A:ASP481 2.7 78.4 1.0
OD1 A:ASP485 2.8 0.8 1.0
OD1 A:ASP483 3.0 0.8 1.0
CG A:ASP483 3.2 0.8 1.0
OD1 A:ASP481 3.3 78.4 1.0
CG A:ASP481 3.3 78.4 1.0
OD2 A:ASP485 3.5 0.8 1.0
CG A:ASP485 3.6 0.8 1.0
CB A:ASP483 4.6 0.8 1.0
CB A:ASP481 4.7 78.4 1.0
O A:ASP481 4.9 0.6 1.0

Reference:

D.A.Bushnell, K.D.Westover, R.E.Davis, R.D.Kornberg. Structural Basis of Transcription: An Rna Polymerase II-Tfiib Cocrystal at 4.5 Angstroms. Science V. 303 983 2004.
ISSN: ISSN 0036-8075
PubMed: 14963322
DOI: 10.1126/SCIENCE.1090838
Page generated: Tue Aug 13 12:04:01 2024

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