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Sodium in PDB 3sya: Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2

Protein crystallography data

The structure of Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2, PDB code: 3sya was solved by M.R.Whorton, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 41.73 / 2.98
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 85.851, 85.851, 177.862, 90.00, 90.00, 90.00
R / Rfree (%) 24 / 26.9

Other elements in 3sya:

The structure of Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2 also contains other interesting chemical elements:

Potassium (K) 5 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2 (pdb code 3sya). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2, PDB code: 3sya:

Sodium binding site 1 out of 1 in 3sya

Go back to Sodium Binding Sites List in 3sya
Sodium binding site 1 out of 1 in the Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of the G Protein-Gated Inward Rectifier K+ Channel GIRK2 (KIR3.2) in Complex with Sodium and PIP2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na600

b:74.3
occ:1.00
OD2 A:ASP228 2.4 61.1 1.0
O A:ARG230 2.7 65.7 1.0
O A:SER232 3.1 62.5 1.0
CG A:ASP228 3.3 60.5 1.0
CB A:ASP228 3.7 58.3 1.0
O A:ASP228 3.7 62.6 1.0
O A:LEU275 3.7 54.6 1.0
O A:VAL276 3.8 58.7 1.0
C A:ARG230 3.9 67.4 1.0
CA A:VAL276 4.1 57.7 1.0
C A:SER232 4.3 63.7 1.0
OD1 A:ASP228 4.3 62.3 1.0
C A:VAL276 4.4 58.3 1.0
C A:ASP228 4.4 61.2 1.0
C A:ASN231 4.4 68.9 1.0
CG1 A:VAL276 4.5 62.4 1.0
CA A:ASN231 4.6 70.5 1.0
O A:ASN231 4.6 68.9 1.0
N A:ASN231 4.7 69.8 1.0
CA A:ASP228 4.7 58.6 1.0
C A:LEU275 4.7 54.1 1.0
N A:SER232 4.8 67.8 1.0
N A:ARG230 4.9 65.7 1.0
CB A:VAL276 4.9 59.2 1.0
CA A:ARG230 4.9 67.3 1.0
N A:VAL276 4.9 55.7 1.0

Reference:

M.R.Whorton, R.Mackinnon. Crystal Structure of the Mammalian GIRK2 K(+) Channel and Gating Regulation By G Proteins, Pip(2), and Sodium. Cell(Cambridge,Mass.) V. 147 199 2011.
ISSN: ISSN 0092-8674
PubMed: 21962516
DOI: 10.1016/J.CELL.2011.07.046
Page generated: Tue Dec 15 06:25:15 2020

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