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Magnesium in PDB 3h4b: Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp

Enzymatic activity of Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp

All present enzymatic activity of Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp:
2.7.7.7;

Protein crystallography data

The structure of Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp, PDB code: 3h4b was solved by R.Jain, D.T.Nair, R.E.Johnson, L.Prakash, S.Prakash, A.K.Aggarwal, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 39.73 / 2.85
Space group P 65 2 2
Cell size a, b, c (Å), α, β, γ (°) 97.998, 97.998, 203.670, 90.00, 90.00, 120.00
R / Rfree (%) 24 / 28.1

Other elements in 3h4b:

The structure of Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp also contains other interesting chemical elements:

Bromine (Br) 2 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp (pdb code 3h4b). 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 Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp, PDB code: 3h4b:

Magnesium binding site 1 out of 1 in 3h4b

Go back to Magnesium Binding Sites List in 3h4b
Magnesium binding site 1 out of 1 in the Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Ternary Complex of Human Dna Polymerase Iota with Template U/T and Incoming Datp within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg871

b:58.6
occ:1.00
 O2A A:DTP875 2.1 87.7 0.9
O3G A:DTP875 2.2 90.0 0.9
O A:HOH529 2.8 25.6 1.0
PG A:DTP875 3.2 90.8 0.9
PA A:DTP875 3.3 87.8 0.9
O1A A:DTP875 3.5 88.8 0.9
O A:HOH533 3.6 44.9 1.0
O3B A:DTP875 3.6 90.6 0.9
O2G A:DTP875 3.6 89.8 0.9
OD2 A:ASP126 3.7 19.5 1.0
O3A A:DTP875 4.1 90.1 0.9
O1B A:DTP875 4.2 92.0 0.9
PB A:DTP875 4.2 91.5 0.9
C3' P:DOC873 4.3 41.6 1.0
O5' A:DTP875 4.5 84.0 0.9
CG A:ASP126 4.5 22.3 1.0
O1G A:DTP875 4.6 87.8 0.9
OD2 A:ASP34 4.6 35.4 1.0
OD1 A:ASP126 4.6 25.8 1.0
C2' P:DOC873 4.6 40.2 1.0
OE2 A:GLU127 4.7 20.2 1.0
OD1 A:ASP34 4.8 35.5 1.0

Reference:

R.Jain, D.T.Nair, R.E.Johnson, L.Prakash, S.Prakash, A.K.Aggarwal. Replication Across Template T/U By Human Dna Polymerase-Iota. Structure V. 17 974 2009.
ISSN: ISSN 0969-2126
PubMed: 19604477
DOI: 10.1016/J.STR.2009.04.011
Page generated: Sun Aug 10 21:52:40 2025

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