Sodium in PDB 9k8x: Crystal Structure of the Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State

The structure of Crystal Structure of the Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State, PDB code: 9k8x was solved by L.A.Varfolomeeva, T.R.Simonyan, A.V.Mamontova, V.O.Popov, A.M.Bogdanov, K.M.Boyko, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	23.01 / 2.05
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	118.293, 118.293, 98.703, 90, 90, 90
R / Rfree (%)	21.1 / 25.1

The structure of Crystal Structure of the Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State also contains other interesting chemical elements:

Calcium

(Ca)

4 atoms

The binding sites of Sodium atom in the Crystal Structure of the Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State (pdb code 9k8x). 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 Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State, PDB code: 9k8x:

Sodium binding site 1 out of 1 in the Crystal Structure of the Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State


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 Calcium Indicator GCAMP6S-Brus-145 in Calcium-Bounded State within 5.0Å range: probe atom residue distance (Å) B Occ A:Na511 b:22.7 occ:0.40 OD1 A:ASP271 2.2 31.6 1.0 CG A:ASP271 3.2 32.6 1.0 CB A:ASP271 3.6 26.1 1.0 CA A:ASP271 3.7 25.0 1.0 O A:HOH770 3.9 43.9 1.0 OD2 A:ASP271 4.3 42.6 1.0 N A:ASP271 4.5 22.7 1.0 C A:ASP271 4.7 25.6 1.0 NZ A:LYS300 4.8 37.0 1.0 O A:ASP271 4.8 26.0 1.0

T.R.Simonyan, L.A.Varfolomeeva, A.V.Mamontova, A.A.Kotlobay, A.Y.Gorokhovatsky, A.M.Bogdanov, K.M.Boyko. Calcium Indicators with Fluorescence Lifetime-Based Signal Readout: A Structure-Function Study Int J Mol Sci V. 25 2024.
ISSN: ESSN 1422-0067
DOI: 10.3390/IJMS252312493