Sodium in PDB 4by4: Crystal Structure of Drosophila FRQ2

The structure of Crystal Structure of Drosophila FRQ2, PDB code: 4by4 was solved by S.Banos-Mateos, A.Chaves-Sanjuan, M.J.Sanchez-Barrena, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.46 / 2.30
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	52.560, 57.570, 128.720, 90.00, 90.00, 90.00
R / Rfree (%)	21.516 / 27.496

The structure of Crystal Structure of Drosophila FRQ2 also contains other interesting chemical elements:

Calcium

(Ca)

6 atoms

The binding sites of Sodium atom in the Crystal Structure of Drosophila FRQ2 (pdb code 4by4). 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 Drosophila FRQ2, PDB code: 4by4:

Sodium binding site 1 out of 1 in the Crystal Structure of Drosophila FRQ2


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 Drosophila FRQ2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na1187 b:14.5 occ:1.00 O A:HOH2010 1.8 50.1 1.0 O A:THR17 2.4 21.2 1.0 O A:HOH2008 2.4 21.9 1.0 O A:THR20 2.4 21.4 1.0 O A:HOH2009 2.6 35.6 1.0 C A:THR17 3.6 20.5 1.0 C A:THR20 3.6 19.5 1.0 O A:THR18 4.1 24.8 1.0 O A:HOH2006 4.2 22.8 1.0 CA A:TYR21 4.4 16.6 1.0 C A:THR18 4.4 23.9 1.0 CA A:THR17 4.4 20.4 1.0 N A:TYR21 4.5 15.7 1.0 N A:THR20 4.5 20.2 1.0 CA A:THR18 4.5 22.7 1.0 N A:THR18 4.5 20.7 1.0 CA A:THR20 4.7 19.7 1.0 C A:TYR21 4.9 17.6 1.0 O A:HOH2011 4.9 33.2 1.0 CB A:THR17 5.0 21.9 1.0 O A:PHE22 5.0 19.5 1.0

J.Romero-Pozuelo, J.S.Dason, A.Mansilla, S.Banos-Mateos, J.L.Sardina, A.Chaves-Sanjuan, J.Jurado-Gomez, E.Santana, H.L.Atwood, A.Hernandez-Hernandez, M.Sanchez-Barrena, A.Ferrus. The Guanine-Exchange Factor RIC8A Binds the Calcium Sensor Ncs-1 to Regulate Synapse Number and Probability of Release. J.Cell.Sci. 2014.
ISSN: ESSN 1477-9137
PubMed: 25074811
DOI: 10.1242/JCS.152603