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Barium in PDB 4zbm: Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant

Protein crystallography data

The structure of Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant, PDB code: 4zbm was solved by Y.Lam, W.Zeng, M.G.Derebe, Y.Jiang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 1.90
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 67.907, 67.907, 89.799, 90.00, 90.00, 90.00
R / Rfree (%) 20.4 / 23.6

Other elements in 4zbm:

The structure of Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant also contains other interesting chemical elements:

Potassium (K) 5 atoms

Barium Binding Sites:

The binding sites of Barium atom in the Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant (pdb code 4zbm). This binding sites where shown within 5.0 Angstroms radius around Barium atom.
In total 2 binding sites of Barium where determined in the Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant, PDB code: 4zbm:
Jump to Barium binding site number: 1; 2;

Barium binding site 1 out of 2 in 4zbm

Go back to Barium Binding Sites List in 4zbm
Barium binding site 1 out of 2 in the Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant


Mono view


Stereo pair view

A full contact list of Barium with other atoms in the Ba binding site number 1 of Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ba202

b:22.6
occ:0.25
O A:VAL64 2.8 13.5 1.0
O A:THR63 2.9 18.2 1.0
C A:VAL64 3.5 19.6 1.0
K A:K203 3.8 36.0 0.2
K A:K201 3.9 10.1 0.2
C A:THR63 4.0 18.0 1.0
CA A:VAL64 4.1 16.6 1.0
N A:GLY65 4.2 16.8 1.0
CA A:GLY65 4.5 17.1 1.0
N A:VAL64 4.5 14.7 1.0

Barium binding site 2 out of 2 in 4zbm

Go back to Barium Binding Sites List in 4zbm
Barium binding site 2 out of 2 in the Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant


Mono view


Stereo pair view

A full contact list of Barium with other atoms in the Ba binding site number 2 of Crystal Structure of Drosophila Cyclic Nucleotide Gated Channel Pore Mimicking Nak Mutant within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ba201

b:34.9
occ:0.25
O B:VAL64 2.9 31.9 1.0
O B:THR63 2.9 26.2 1.0
C B:VAL64 3.5 32.3 1.0
K B:K203 3.8 66.1 0.2
K B:K202 3.9 18.7 0.2
C B:THR63 4.0 27.4 1.0
CA B:VAL64 4.2 29.5 1.0
N B:GLY65 4.2 29.6 1.0
CA B:GLY65 4.4 32.2 1.0
N B:VAL64 4.6 26.7 1.0

Reference:

Y.L.Lam, W.Zeng, M.G.Derebe, Y.Jiang. Structural Implications of Weak CA2+ Block in Drosophila Cyclic Nucleotide-Gated Channels. J.Gen.Physiol. V. 146 255 2015.
ISSN: ESSN 1540-7748
PubMed: 26283200
DOI: 10.1085/JGP.201511431
Page generated: Sat Dec 12 01:57:11 2020

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