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Caesium in PDB 3e83: Crystal Structure of the the Open Nak Channel Pore

Protein crystallography data

The structure of Crystal Structure of the the Open Nak Channel Pore, PDB code: 3e83 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 (°) 68.056, 68.056, 89.326, 90.00, 90.00, 90.00
R / Rfree (%) 21.5 / 23.6

Other elements in 3e83:

The structure of Crystal Structure of the the Open Nak Channel Pore also contains other interesting chemical elements:

Sodium (Na) 3 atoms

Caesium Binding Sites:

The binding sites of Caesium atom in the Crystal Structure of the the Open Nak Channel Pore (pdb code 3e83). 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 Pore, PDB code: 3e83:
Jump to Caesium binding site number: 1; 2;

Caesium binding site 1 out of 2 in 3e83

Go back to Caesium Binding Sites List in 3e83
Caesium binding site 1 out of 2 in the Crystal Structure of the the Open Nak Channel Pore


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 Pore within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cs1

b:19.3
occ:0.66
NA A:NA3 2.3 44.7 0.2
O A:THR63 2.7 18.1 1.0
O A:VAL64 3.1 20.2 1.0
C A:VAL64 3.7 18.8 1.0
C A:THR63 3.9 19.7 1.0
CA A:VAL64 4.2 15.1 1.0
N A:GLY65 4.5 14.3 1.0
N A:VAL64 4.5 14.1 1.0
CA A:GLY65 4.8 17.3 1.0
NA A:NA5 5.0 20.3 0.2

Caesium binding site 2 out of 2 in 3e83

Go back to Caesium Binding Sites List in 3e83
Caesium binding site 2 out of 2 in the Crystal Structure of the the Open Nak Channel Pore


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 Pore within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs2

b:34.2
occ:0.62
O B:THR63 2.7 25.6 1.0
O B:VAL64 3.1 32.5 1.0
C B:VAL64 3.7 31.8 1.0
C B:THR63 3.9 27.9 1.0
CA B:VAL64 4.2 27.3 1.0
N B:GLY65 4.5 31.1 1.0
N B:VAL64 4.5 29.7 1.0
CA B:GLY65 4.8 36.0 1.0
NA B:NA4 4.8 34.7 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 10:56:01 2020

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