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Potassium in PDB 7u72: Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion

Enzymatic activity of Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion

All present enzymatic activity of Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion:
2.7.7.7;

Protein crystallography data

The structure of Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion, PDB code: 7u72 was solved by C.Chang, Y.Gao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 41.99 / 1.53
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 97.906, 97.906, 81.697, 90, 90, 120
R / Rfree (%) 18.7 / 22

Other elements in 7u72:

The structure of Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion also contains other interesting chemical elements:

Calcium (Ca) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion (pdb code 7u72). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion, PDB code: 7u72:

Potassium binding site 1 out of 1 in 7u72

Go back to Potassium Binding Sites List in 7u72
Potassium binding site 1 out of 1 in the Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Human Dna Polymerase Eta-Dna Ternary Mismatch Complex:Ground State at PH7.0 (K+ Mes) with 1 CA2+ Ion within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K506

b:29.1
occ:0.30
 CG A:GLU116 2.2 35.3 0.7
OD1 A:ASP115 2.2 32.5 0.8
OD1 A:ASP115 2.2 26.6 0.2
OE1 A:GLU116 2.3 42.4 0.3
O3' P:DT8 2.3 34.3 0.1
OD1 A:ASP13 2.4 33.8 0.3
O A:HOH811 2.5 35.3 0.6
OE2 A:GLU116 2.6 47.8 0.7
O1A A:DGT505 2.7 28.0 0.8
CD A:GLU116 2.7 41.1 0.7
OD1 A:ASP13 2.7 35.2 0.7
CG A:ASP115 2.9 28.5 0.2
O A:HOH767 3.1 32.3 0.2
CD A:GLU116 3.1 37.3 0.3
CG A:ASP115 3.1 24.9 0.8
CG A:GLU116 3.2 32.8 0.3
OG A:SER113 3.4 31.3 0.6
CB A:GLU116 3.4 30.8 0.3
OD2 A:ASP115 3.4 27.2 0.2
C3' P:DT8 3.5 32.4 0.1
OD2 A:ASP115 3.5 26.4 0.8
CG A:ASP13 3.5 29.9 0.7
CG A:ASP13 3.5 30.0 0.3
CB A:GLU116 3.6 28.0 0.7
CA A:CA501 3.6 24.0 0.8
CB A:ASP115 3.8 24.6 0.2
OE1 A:GLU116 3.8 42.6 0.7
OD2 A:ASP13 3.8 46.8 0.7
PA A:DGT505 3.9 27.7 0.8
C A:ASP115 4.1 28.4 1.0
O A:ASP115 4.1 33.5 1.0
N A:GLU116 4.1 24.4 1.0
O5' A:DGT505 4.2 24.4 0.8
C5' A:DGT505 4.2 24.6 0.8
OD2 A:ASP13 4.2 29.8 0.3
CA A:GLU116 4.3 27.9 0.7
CA A:GLU116 4.3 27.6 0.3
OE2 A:GLU116 4.3 29.6 0.3
CB A:ASP115 4.4 26.6 0.8
C4' P:DT8 4.4 34.6 0.1
CA A:ASP115 4.4 24.9 0.2
CB A:SER113 4.5 27.2 0.4
O A:HOH617 4.5 36.9 0.7
O2A A:DGT505 4.5 32.2 0.8
C2' P:DT8 4.5 33.6 0.1
CB A:SER113 4.5 27.1 0.6
CB A:ASP13 4.6 24.3 0.3
CA A:ASP115 4.6 24.8 0.8
CB A:ASP13 4.7 23.9 0.7
N A:ASP115 4.7 22.7 1.0
O P:HOH121 4.8 31.1 0.5
OG A:SER113 4.8 31.1 0.4
NZ A:LYS224 4.8 33.9 0.6
O5' P:DT8 5.0 37.6 0.2

Reference:

C.Chang, C.Lee Luo, Y.Gao. In Crystallo Observation of Three Metal Ion Promoted Dna Polymerase Misincorporation. Nat Commun V. 13 2346 2022.
ISSN: ESSN 2041-1723
PubMed: 35487947
DOI: 10.1038/S41467-022-30005-3
Page generated: Sat Aug 9 15:02:01 2025

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