Sodium in PDB 3rc3: Human Mitochondrial Helicase SUV3

All present enzymatic activity of Human Mitochondrial Helicase SUV3:
3.6.4.13;

The structure of Human Mitochondrial Helicase SUV3, PDB code: 3rc3 was solved by Z.Dauter, R.Jedrzejczak, M.Dauter, R.Szczesny, P.Stepien, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.84 / 2.08
Space group	P 32
Cell size a, b, c (Å), α, β, γ (°)	89.390, 89.390, 88.070, 90.00, 90.00, 120.00
R / Rfree (%)	16 / 20.3

The structure of Human Mitochondrial Helicase SUV3 also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Sodium atom in the Human Mitochondrial Helicase SUV3 (pdb code 3rc3). 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 Human Mitochondrial Helicase SUV3, PDB code: 3rc3:

Sodium binding site 1 out of 1 in the Human Mitochondrial Helicase SUV3


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Human Mitochondrial Helicase SUV3 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na901 b:37.7 occ:1.00 O A:SER392 2.3 31.1 1.0 O A:HOH3 2.5 39.2 1.0 O A:HOH4 2.5 44.7 1.0 O A:HOH2 2.5 32.2 1.0 O A:HOH1 2.6 32.3 1.0 N1 A:AZI902 2.7 34.3 1.0 N2 A:AZI902 3.3 50.5 1.0 C A:SER392 3.5 33.3 1.0 CG2 A:ILE673 4.0 30.7 1.0 O A:HIS671 4.1 29.7 1.0 N A:SER392 4.1 37.2 1.0 N3 A:AZI902 4.2 42.9 1.0 CG2 A:THR674 4.2 35.3 1.0 CA A:SER392 4.4 35.1 1.0 O A:HOH911 4.5 42.1 1.0 OG A:SER392 4.5 35.4 1.0 N A:ALA393 4.5 31.4 1.0 O A:VAL670 4.6 29.6 1.0 CA A:ALA393 4.6 29.5 1.0 CG2 A:VAL394 4.8 34.3 1.0 N A:THR674 4.9 33.8 1.0 C A:HIS671 4.9 32.0 1.0 OE1 A:GLN407 5.0 30.4 1.0 C A:ALA393 5.0 29.5 1.0 CG A:GLU391 5.0 51.6 1.0

R.Jedrzejczak, J.Wang, M.Dauter, R.J.Szczesny, P.P.Stepien, Z.Dauter. Human SUV3 Protein Reveals Unique Features Among SF2 Helicases. Acta Crystallogr.,Sect.D V. 67 988 2011.
ISSN: ISSN 0907-4449
PubMed: 22101826
DOI: 10.1107/S0907444911040248