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Caesium in PDB 3e89: Crystal Structure of the the Open Nak Channel-Low Na+ Complex

Protein crystallography data

The structure of Crystal Structure of the the Open Nak Channel-Low Na+ Complex, PDB code: 3e89 was solved by Y.Jiang, A.Alam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 28.81 / 1.80
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 68.050, 68.050, 89.251, 90.00, 90.00, 90.00
R / Rfree (%) 21.3 / 24.8

Other elements in 3e89:

The structure of Crystal Structure of the the Open Nak Channel-Low Na+ Complex also contains other interesting chemical elements:

Sodium (Na) 4 atoms

Caesium Binding Sites:

The binding sites of Caesium atom in the Crystal Structure of the the Open Nak Channel-Low Na+ Complex (pdb code 3e89). This binding sites where shown within 5.0 Angstroms radius around Caesium atom.
In total 2 binding sites of Caesium where determined in the Crystal Structure of the the Open Nak Channel-Low Na+ Complex, PDB code: 3e89:
Jump to Caesium binding site number: 1; 2;

Caesium binding site 1 out of 2 in 3e89

Go back to Caesium Binding Sites List in 3e89
Caesium binding site 1 out of 2 in the Crystal Structure of the the Open Nak Channel-Low Na+ Complex


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 1 of Crystal Structure of the the Open Nak Channel-Low Na+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cs1

b:18.3
occ:0.84
NA A:NA4 2.5 42.0 0.2
O A:THR63 2.7 19.5 1.0
O A:VAL64 3.0 20.9 1.0
C A:VAL64 3.6 17.9 1.0
C A:THR63 3.9 19.1 1.0
CA A:VAL64 4.2 15.2 1.0
N A:GLY65 4.5 14.9 1.0
N A:VAL64 4.5 14.8 1.0
CA A:GLY65 4.8 19.0 1.0
NA A:NA6 4.9 22.9 0.2

Caesium binding site 2 out of 2 in 3e89

Go back to Caesium Binding Sites List in 3e89
Caesium binding site 2 out of 2 in the Crystal Structure of the the Open Nak Channel-Low Na+ Complex


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 2 of Crystal Structure of the the Open Nak Channel-Low Na+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs2

b:27.7
occ:0.67
O B:THR63 2.8 25.7 1.0
NA B:NA3 2.8 40.9 0.2
O B:VAL64 3.1 32.3 1.0
C B:VAL64 3.7 32.3 1.0
C B:THR63 3.9 27.4 1.0
CA B:VAL64 4.2 28.4 1.0
N B:GLY65 4.4 33.7 1.0
N B:VAL64 4.6 27.9 1.0
CA B:GLY65 4.8 37.9 1.0
NA B:NA5 4.8 33.8 0.2

Reference:

A.Alam, Y.Jiang. Structural Analysis of Ion Selectivity in the Nak Channel Nat.Struct.Mol.Biol. V. 16 35 2009.
ISSN: ISSN 1545-9993
PubMed: 19098915
DOI: 10.1038/NSMB.1537
Page generated: Sun Dec 13 10:56:02 2020

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