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Magnesium in PDB 1njx: Thymine-Guanine Mismatch at the Polymerase Active Site

Enzymatic activity of Thymine-Guanine Mismatch at the Polymerase Active Site

All present enzymatic activity of Thymine-Guanine Mismatch at the Polymerase Active Site:
2.7.7.7;

Protein crystallography data

The structure of Thymine-Guanine Mismatch at the Polymerase Active Site, PDB code: 1njx was solved by S.J.Johnson, L.S.Beese, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 28.35 / 1.65
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 88.331, 93.554, 104.898, 90.00, 90.00, 90.00
R / Rfree (%) 21.1 / 23.1

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Thymine-Guanine Mismatch at the Polymerase Active Site (pdb code 1njx). 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 Thymine-Guanine Mismatch at the Polymerase Active Site, PDB code: 1njx:

Magnesium binding site 1 out of 1 in 1njx

Go back to Magnesium Binding Sites List in 1njx
Magnesium binding site 1 out of 1 in the Thymine-Guanine Mismatch at the Polymerase Active Site


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Thymine-Guanine Mismatch at the Polymerase Active Site within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg910

b:36.9
occ:1.00
OD2 A:ASP653 2.8 20.4 1.0
OD2 A:ASP830 2.9 23.2 1.0
O A:TYR654 2.9 13.6 1.0
O A:HOH1076 3.0 24.5 1.0
CG A:ASP830 3.7 22.0 1.0
CG A:ASP653 3.8 18.4 1.0
O A:HOH1061 3.8 15.2 1.0
C A:TYR654 4.0 12.1 1.0
CB A:ASP653 4.0 15.5 1.0
OD1 A:ASP830 4.1 23.4 1.0
O A:HOH1232 4.1 32.4 1.0
O A:HOH1044 4.2 36.0 1.0
CA A:SER655 4.6 12.4 1.0
N A:TYR654 4.7 11.8 1.0
N A:SER655 4.8 12.1 1.0
C A:ASP653 4.8 12.4 1.0
N A:GLN656 4.8 11.7 1.0
OD1 A:ASP653 4.9 19.1 1.0
CB A:ASP830 4.9 19.3 1.0

Reference:

S.J.Johnson, L.S.Beese. Structures of Mismatch Replication Errors Observed in A Dna Polymerase. Cell(Cambridge,Mass.) V. 116 803 2004.
ISSN: ISSN 0092-8674
PubMed: 15035983
DOI: 10.1016/S0092-8674(04)00252-1
Page generated: Sun Aug 10 01:46:02 2025

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