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Sodium in PDB 4m9g: Dna Polymerase Beta E295K Binary Complex

Enzymatic activity of Dna Polymerase Beta E295K Binary Complex

All present enzymatic activity of Dna Polymerase Beta E295K Binary Complex:
2.7.7.7;

Protein crystallography data

The structure of Dna Polymerase Beta E295K Binary Complex, PDB code: 4m9g was solved by B.E.Eckenroth, S.Doublie, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 13.70 / 2.01
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 54.424, 79.419, 54.806, 90.00, 105.25, 90.00
R / Rfree (%) 18.6 / 22.4

Other elements in 4m9g:

The structure of Dna Polymerase Beta E295K Binary Complex also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Sodium Binding Sites:

The binding sites of Sodium atom in the Dna Polymerase Beta E295K Binary Complex (pdb code 4m9g). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Dna Polymerase Beta E295K Binary Complex, PDB code: 4m9g:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in 4m9g

Go back to Sodium Binding Sites List in 4m9g
Sodium binding site 1 out of 2 in the Dna Polymerase Beta E295K Binary Complex


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Dna Polymerase Beta E295K Binary Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na401

b:29.0
occ:1.00
O A:LYS60 2.4 28.6 1.0
O A:VAL65 2.4 25.8 1.0
O D:HOH105 2.4 29.7 1.0
O A:LEU62 2.5 31.5 1.0
OP1 D:DC3 2.7 30.6 1.0
O A:HOH533 2.8 39.3 1.0
C A:VAL65 3.5 22.2 1.0
C A:LYS60 3.5 28.9 1.0
C A:LEU62 3.6 31.1 1.0
P D:DC3 3.7 24.1 1.0
OP2 D:DC3 3.9 28.4 1.0
N A:VAL65 4.0 19.6 1.0
N A:LEU62 4.2 29.1 1.0
CA A:VAL65 4.2 20.6 1.0
C A:LYS61 4.2 32.4 1.0
CA A:PRO63 4.3 31.2 1.0
N A:GLY64 4.3 27.6 1.0
N A:PRO63 4.3 33.2 1.0
CA A:LYS60 4.3 26.2 1.0
O A:LYS61 4.5 35.5 1.0
N A:LYS61 4.5 29.5 1.0
CB A:VAL65 4.5 21.4 1.0
CD A:LYS60 4.5 30.8 1.0
CA A:LEU62 4.5 30.0 1.0
N A:GLY66 4.6 22.2 1.0
O3' D:DT2 4.6 21.7 1.0
CA A:LYS61 4.6 31.0 1.0
NZ A:LYS60 4.7 33.9 1.0
CG A:LYS60 4.7 34.2 1.0
C A:PRO63 4.7 30.1 1.0
CA A:GLY66 4.8 23.2 1.0
O A:ALA59 4.9 24.8 1.0
C A:GLY64 4.9 25.1 1.0

Sodium binding site 2 out of 2 in 4m9g

Go back to Sodium Binding Sites List in 4m9g
Sodium binding site 2 out of 2 in the Dna Polymerase Beta E295K Binary Complex


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Dna Polymerase Beta E295K Binary Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na402

b:10.4
occ:1.00
OP1 P:DG9 2.3 15.8 1.0
O A:THR101 2.3 19.4 1.0
O A:ILE106 2.4 13.2 1.0
O A:VAL103 2.4 14.0 1.0
O P:HOH105 2.5 12.8 1.0
O A:HOH513 2.6 24.7 1.0
C A:ILE106 3.3 13.0 1.0
C A:THR101 3.3 16.7 1.0
C A:VAL103 3.4 16.1 1.0
P P:DG9 3.4 17.3 1.0
O A:HOH514 3.4 19.6 1.0
N A:ILE106 3.7 10.9 1.0
OP2 P:DG9 3.7 16.6 1.0
CA A:THR101 3.9 15.7 1.0
CA A:SER104 3.9 14.2 1.0
CA A:ILE106 4.0 13.9 1.0
N A:GLY105 4.0 11.8 1.0
N A:SER104 4.0 15.7 1.0
N A:VAL103 4.2 12.8 1.0
N A:GLY107 4.3 14.6 1.0
C A:SER104 4.3 12.2 1.0
C A:ARG102 4.4 22.4 1.0
N A:ARG102 4.4 17.6 1.0
CB A:THR101 4.4 17.8 1.0
CA A:VAL103 4.4 13.7 1.0
CB A:ILE106 4.4 15.8 1.0
O3' P:DC8 4.4 14.1 1.0
O P:HOH117 4.5 55.7 1.0
CA A:GLY107 4.6 13.3 1.0
C A:GLY105 4.6 14.3 1.0
O5' P:DG9 4.6 16.9 1.0
O A:HOH642 4.6 56.7 1.0
CA A:ARG102 4.7 18.7 1.0
O A:ARG102 4.8 22.0 1.0
O A:LEU100 4.9 18.2 1.0
CA A:GLY105 4.9 14.0 1.0
O A:HOH597 4.9 26.0 1.0

Reference:

B.E.Eckenroth, J.B.Towle-Weicksel, J.B.Sweasy, S.Doublie. The E295K Cancer Variant of Human Polymerase Beta Favors the Mismatch Conformational Pathway During Nucleotide Selection. J.Biol.Chem. V. 288 34850 2013.
ISSN: ISSN 0021-9258
PubMed: 24133209
DOI: 10.1074/JBC.M113.510891
Page generated: Tue Dec 15 06:53:36 2020

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