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Potassium in PDB 2f1h: Recombinase in Complex with Amp-Pnp and Potassium

Protein crystallography data

The structure of Recombinase in Complex with Amp-Pnp and Potassium, PDB code: 2f1h was solved by X.Qian, Y.He, Y.Wu, Y.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 2.70
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 84.453, 84.453, 105.484, 90.00, 90.00, 120.00
R / Rfree (%) 22.7 / 29.7

Other elements in 2f1h:

The structure of Recombinase in Complex with Amp-Pnp and Potassium also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Recombinase in Complex with Amp-Pnp and Potassium (pdb code 2f1h). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Recombinase in Complex with Amp-Pnp and Potassium, PDB code: 2f1h:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 2f1h

Go back to Potassium Binding Sites List in 2f1h
Potassium binding site 1 out of 2 in the Recombinase in Complex with Amp-Pnp and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Recombinase in Complex with Amp-Pnp and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K503

b:20.6
occ:1.00
O2G A:ANP401 3.5 26.8 1.0
O3G A:ANP401 3.7 26.4 1.0
PG A:ANP401 4.2 24.4 1.0
K A:K504 4.3 40.4 1.0
CB A:PHE107 4.4 25.7 1.0
CD1 A:PHE107 4.6 26.0 1.0
N3B A:ANP401 4.8 25.1 1.0
N A:GLY108 4.8 24.4 1.0
CG A:PHE107 4.9 26.0 1.0

Potassium binding site 2 out of 2 in 2f1h

Go back to Potassium Binding Sites List in 2f1h
Potassium binding site 2 out of 2 in the Recombinase in Complex with Amp-Pnp and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Recombinase in Complex with Amp-Pnp and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K504

b:40.4
occ:1.00
O2G A:ANP401 2.7 26.8 1.0
PG A:ANP401 3.7 24.4 1.0
MG A:MG501 3.8 14.0 1.0
O1G A:ANP401 3.8 27.2 1.0
OD2 A:ASP151 3.9 25.6 1.0
O3G A:ANP401 4.0 26.4 1.0
CG A:ASP151 4.2 24.3 1.0
CB A:ASP151 4.2 22.1 1.0
K A:K503 4.3 20.6 1.0
CG2 A:THR153 4.7 18.2 1.0
OD1 A:ASP151 5.0 24.4 1.0

Reference:

X.Qian, Y.He, Y.Wu, Y.Luo. ASP302 Determines Potassium Dependence of A Rada Recombinase From Methanococcus Voltae. J.Mol.Biol. V. 360 537 2006.
ISSN: ISSN 0022-2836
PubMed: 16782126
DOI: 10.1016/J.JMB.2006.05.058
Page generated: Sun Dec 13 23:09:31 2020

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