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Potassium in PDB 5kfx: Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S

Enzymatic activity of Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S

All present enzymatic activity of Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S:
2.7.7.7;

Protein crystallography data

The structure of Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S, PDB code: 5kfx was solved by Y.Gao, W.Yang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.98 / 1.52
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 98.480, 98.480, 82.200, 90.00, 90.00, 120.00
R / Rfree (%) 18.1 / 21.2

Other elements in 5kfx:

The structure of Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S also contains other interesting chemical elements:

Magnesium (Mg) 3 atoms
Calcium (Ca) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S (pdb code 5kfx). 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 R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S, PDB code: 5kfx:

Potassium binding site 1 out of 1 in 5kfx

Go back to Potassium Binding Sites List in 5kfx
Potassium binding site 1 out of 1 in the Human Dna Polymerase Eta R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S


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 R61A-Dna Ternary Complex: Reaction with 1 Mm MG2+ For 300S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K509

b:11.6
occ:0.10
 MG A:MG501 0.0 8.8 0.7
OP1 P:DA9 2.1 12.5 0.3
OD2 A:ASP13 2.1 12.8 0.6
OE2 A:GLU116 2.2 18.3 1.0
OD1 A:ASP115 2.3 11.5 1.0
O3' P:DT8 2.3 13.2 0.3
O3' P:DT8 2.3 11.6 0.3
O A:HOH712 2.4 17.5 1.0
O3' P:DT8 2.4 11.6 0.3
O1A A:DTP507 2.4 12.5 0.7
OD2 A:ASP13 2.6 13.6 0.4
P P:DA9 2.7 15.3 0.3
OD1 A:ASP13 3.2 11.5 0.4
CD A:GLU116 3.2 17.5 1.0
CG A:ASP13 3.2 12.7 0.4
C3' P:DT8 3.3 14.4 0.3
CG A:ASP115 3.3 10.5 1.0
CG A:ASP13 3.3 12.2 0.6
C3' P:DT8 3.3 14.6 0.3
PA A:DTP507 3.5 7.8 0.7
C3' P:DT8 3.5 14.2 0.3
OD2 A:ASP115 3.6 10.4 1.0
MG A:MG503 3.6 7.7 0.8
CA A:CA502 3.6 7.9 0.2
OP2 P:DA9 3.7 13.3 0.3
OG A:SER113 3.7 13.8 1.0
C4' P:DT8 3.8 14.6 0.3
OD1 A:ASP13 3.8 13.4 0.6
OE1 A:GLU116 3.9 20.1 1.0
O2A A:DTP507 3.9 11.5 0.7
O5' A:DTP507 3.9 10.5 0.7
O5' P:DA9 3.9 10.9 0.3
C5' P:DT8 4.0 18.1 0.3
CG A:GLU116 4.1 12.1 1.0
CB A:GLU116 4.1 13.7 1.0
C4' P:DT8 4.1 15.4 0.3
C4' P:DT8 4.1 15.3 0.3
C5' A:DTP507 4.2 11.0 0.7
C5' P:DA9 4.2 9.2 0.3
NZ A:LYS224 4.3 12.1 0.7
O A:HOH611 4.3 21.3 1.0
O P:HOH201 4.3 13.8 0.7
CB A:ASP13 4.5 9.7 0.6
C2' P:DT8 4.5 13.2 0.3
CB A:ASP13 4.6 9.7 0.4
CB A:ASP115 4.6 9.1 1.0
C2' P:DT8 4.6 13.4 0.3
C A:ASP115 4.6 11.9 1.0
C2' P:DT8 4.7 13.2 0.3
O A:ASP115 4.7 10.6 1.0
C5' P:DT8 4.7 17.6 0.3
CB A:SER113 4.8 12.5 1.0
C5' P:DT8 4.8 19.8 0.3
O5 A:DPO508 4.8 10.8 0.3
N A:GLU116 4.8 9.4 1.0
O3A A:DTP507 4.9 9.8 0.7
O1G A:DTP507 4.9 11.0 0.7
O5' P:DT8 4.9 16.5 0.3
O2 A:DPO508 5.0 9.8 0.3

Reference:

Y.Gao, W.Yang. Capture of A Third MG2+ Is Essential For Catalyzing Dna Synthesis. Science V. 352 1334 2016.
ISSN: ESSN 1095-9203
PubMed: 27284197
DOI: 10.1126/SCIENCE.AAD9633
Page generated: Sat Aug 9 09:22:12 2025

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