Sodium in PDB 6a4n: Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes

All present enzymatic activity of Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes:
3.2.1.17;

The structure of Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes, PDB code: 6a4n was solved by R.Tushar, R.M.Kini, C.Y.Koh, M.V.Hosur, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	55.31 / 1.75
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	78.220, 78.220, 36.870, 90.00, 90.00, 90.00
R / Rfree (%)	16.3 / 20.7

The structure of Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes also contains other interesting chemical elements:

Chlorine

(Cl)

6 atoms

The binding sites of Sodium atom in the Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes (pdb code 6a4n). 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 Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes, PDB code: 6a4n:

Sodium binding site 1 out of 1 in the Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Hewl Crystals Soaked in 2.5M Guhcl For 8 Minutes within 5.0Å range: probe atom residue distance (Å) B Occ A:Na202 b:11.6 occ:1.00 O A:SER60 2.2 10.3 1.0 O A:ARG73 2.4 12.5 1.0 O A:CYS64 2.4 9.6 1.0 OG A:SER72 2.5 13.2 1.0 O A:HOH356 2.6 13.8 1.0 O A:HOH328 2.6 8.2 1.0 CB A:SER72 3.3 13.7 1.0 C A:SER60 3.4 10.3 1.0 C A:ARG73 3.4 13.4 1.0 C A:CYS64 3.5 9.5 1.0 N A:ARG73 3.9 14.1 1.0 CA A:ASN65 4.0 10.5 1.0 CA A:SER60 4.0 10.0 1.0 C A:SER72 4.1 14.1 1.0 N A:ASN65 4.1 9.9 1.0 CB A:SER60 4.2 9.6 1.0 CA A:ARG73 4.3 14.7 1.0 N A:ASN74 4.3 12.9 1.0 CA A:SER72 4.4 14.1 1.0 N A:CYS64 4.4 9.5 1.0 N A:ARG61 4.5 10.7 1.0 CA A:ASN74 4.5 13.0 1.0 C A:ARG61 4.5 11.8 1.0 O A:ARG61 4.5 12.1 1.0 CA A:CYS64 4.6 9.6 1.0 O A:SER72 4.6 13.9 1.0 CB A:ASN74 4.7 13.3 1.0 N A:ASP66 4.7 10.4 1.0 CB A:THR69 4.7 12.2 1.0 OD1 A:ASN65 4.8 12.5 1.0 CL A:CL212 4.8 17.5 1.0 CA A:ARG61 4.8 11.7 1.0 N A:TRP62 4.8 11.5 1.0 CB A:ASN65 4.8 11.1 1.0 C A:ASN65 4.9 10.2 1.0 O A:HOH351 4.9 21.3 1.0 O A:HOH366 4.9 26.0 1.0 OG A:SER60 5.0 9.1 1.0 N A:TRP63 5.0 10.4 1.0 O A:THR69 5.0 11.7 1.0

T.Raskar, C.Y.Koh, S.Niebling, R.M.Kini, M.V.Hosur. X-Ray Crystallographic Analysis of Time-Dependent Binding of Guanidine Hydrochloride to Hewl: First Steps During Protein Unfolding. Int. J. Biol. Macromol. V. 122 903 2019.
ISSN: ISSN 1879-0003
PubMed: 30412756
DOI: 10.1016/J.IJBIOMAC.2018.11.023