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Potassium in PDB 4kze: Crystal Structure of An Rna Aptamer in Complex with Fab

Protein crystallography data

The structure of Crystal Structure of An Rna Aptamer in Complex with Fab, PDB code: 4kze was solved by H.Huang, N.B.Suslov, N.Li, Y.Koldobskaya, P.A.Rice, J.A.Piccirilli, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 45.37 / 2.40
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 146.941, 80.104, 94.519, 90.00, 111.86, 90.00
R / Rfree (%) 18.6 / 22.4

Other elements in 4kze:

The structure of Crystal Structure of An Rna Aptamer in Complex with Fab also contains other interesting chemical elements:

Magnesium (Mg) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of An Rna Aptamer in Complex with Fab (pdb code 4kze). 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 Crystal Structure of An Rna Aptamer in Complex with Fab, PDB code: 4kze:

Potassium binding site 1 out of 1 in 4kze

Go back to Potassium Binding Sites List in 4kze
Potassium binding site 1 out of 1 in the Crystal Structure of An Rna Aptamer in Complex with Fab


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of An Rna Aptamer in Complex with Fab within 5.0Å range:
probe atom residue distance (Å) B Occ
R:K101

b:99.4
occ:1.00
O6 R:G22 2.4 85.1 1.0
O6 R:G54 2.6 92.9 1.0
O6 R:G27 2.6 91.3 1.0
O6 R:G23 2.6 87.3 1.0
O6 R:G59 2.7 95.5 1.0
C6 R:G22 3.0 82.4 1.0
O2 R:U29 3.3 94.8 1.0
C6 R:G54 3.4 90.0 1.0
C6 R:G23 3.4 88.2 1.0
N1 R:G54 3.5 87.8 1.0
N1 R:G57 3.6 86.9 1.0
C6 R:G27 3.6 90.8 1.0
C6 R:G59 3.6 94.9 1.0
N1 R:G23 3.7 85.7 1.0
N1 R:G22 3.7 78.0 1.0
C5 R:G22 3.8 82.4 1.0
C2 R:U29 3.8 97.2 1.0
N1 R:G59 3.8 95.6 1.0
N1 R:G27 3.9 90.1 1.0
O6 R:G57 4.0 86.2 1.0
C6 R:G57 4.0 89.8 1.0
N7 R:G22 4.2 81.7 1.0
O6 R:G26 4.2 79.8 1.0
N3 R:U29 4.3 95.6 1.0
C2 R:G57 4.3 87.3 1.0
N2 R:G57 4.4 85.3 1.0
N1 R:U29 4.5 98.1 1.0
C5 R:G54 4.7 88.2 1.0
C1' R:U29 4.7 99.6 1.0
C5 R:G23 4.7 86.5 1.0
C2 R:G22 4.8 77.4 1.0
C2 R:G54 4.8 88.3 1.0
O R:HOH255 4.8 92.8 1.0
C4 R:G22 4.8 78.2 1.0
O6 R:G61 4.9 86.1 1.0
C5 R:G27 4.9 88.9 1.0
C2 R:G23 4.9 82.8 1.0
C5 R:G59 4.9 95.4 1.0

Reference:

H.Huang, N.B.Suslov, N.S.Li, S.A.Shelke, M.E.Evans, Y.Koldobskaya, P.A.Rice, J.A.Piccirilli. A G-Quadruplex-Containing Rna Activates Fluorescence in A Gfp-Like Fluorophore. Nat.Chem.Biol. V. 10 686 2014.
ISSN: ISSN 1552-4450
PubMed: 24952597
DOI: 10.1038/NCHEMBIO.1561
Page generated: Sun Dec 13 23:39:51 2020

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