Sodium in PDB 4irw: Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form

The structure of Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form, PDB code: 4irw was solved by R.A.M.S.S.Bandara, D.Q.Liu, A.Hindupur, K.F.Tesh, R.O.Fox, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.86 / 1.40
Space group	C 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	64.423, 71.395, 55.494, 90.00, 90.00, 90.00
R / Rfree (%)	12.3 / 15.4

The structure of Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form also contains other interesting chemical elements:

Terbium

(Tb)

5 atoms

The binding sites of Sodium atom in the Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form (pdb code 4irw). 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 Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form, PDB code: 4irw:

Sodium binding site 1 out of 1 in the Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide- Ligand Complex Gives Rise to A Novel Crystal Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Na219 b:23.1 occ:0.50 HA2 A:GLY48 2.7 21.6 1.0 OG1 A:THR66 2.7 18.1 1.0 O A:THR47 2.7 15.1 0.3 O A:THR47 2.7 20.4 0.7 H A:THR66 3.0 19.1 1.0 HA A:TRP65 3.1 18.7 1.0 HB A:THR66 3.2 20.5 1.0 N A:THR66 3.3 15.9 1.0 HG1 A:THR66 3.3 21.7 1.0 CB A:THR66 3.4 17.1 1.0 HG23 A:THR47 3.5 37.8 0.7 CA A:GLY48 3.6 18.0 1.0 C A:THR47 3.6 18.3 1.0 C A:TRP65 3.8 15.7 1.0 HA3 A:GLY48 3.8 21.6 1.0 CA A:TRP65 3.8 15.6 1.0 CA A:THR66 4.0 16.4 1.0 N A:GLY48 4.0 18.3 1.0 OG1 A:THR47 4.1 14.0 0.3 CG2 A:THR47 4.5 31.5 0.7 HG1 A:THR47 4.5 16.8 0.3 HA A:THR66 4.6 19.6 1.0 O A:TRP65 4.6 16.1 1.0 HB2 A:TRP65 4.7 18.8 1.0 N A:TRP65 4.7 15.5 1.0 H A:THR47 4.7 23.1 0.7 H A:THR47 4.7 20.7 0.3 C A:GLY48 4.7 17.2 1.0 HG22 A:THR47 4.7 37.8 0.7 CG2 A:THR66 4.8 16.6 1.0 H A:GLY48 4.8 22.0 1.0 O A:GLY64 4.8 16.4 1.0 CA A:THR47 4.9 18.8 1.0 HG21 A:THR66 4.9 19.9 1.0 CB A:TRP65 4.9 15.7 1.0 H A:ARG49 4.9 20.6 1.0 HG22 A:THR81 5.0 22.7 1.0 HG21 A:THR47 5.0 37.8 0.7 O A:THR66 5.0 17.1 1.0

R.A.M.S.S.Bandara, D.Q.Liu, A.Hindupur, K.F.Tesh, R.O.Fox. Co-Crystallization of Streptavidin-Biotin Complex with A Lanthanide-Ligand Complex Gives Rise to A Novel Crystal Form To Be Published.