Sodium in PDB 1hya: Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms

The structure of Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms, PDB code: 1hya was solved by S.Arnott, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	N/A / 3.00
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	11.700, 11.700, 28.500, 90.00, 90.00, 120.00
R / Rfree (%)	n/a / n/a

The binding sites of Sodium atom in the Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms (pdb code 1hya). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 3 binding sites of Sodium where determined in the Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms, PDB code: 1hya:
Jump to Sodium binding site number: 1; 2; 3;

Sodium binding site 1 out of 3 in the Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms within 5.0Å range: probe atom residue distance (Å) B Occ A:Na771 b:0.0 occ:1.00 O6A A:GCU1 2.5 0.0 1.0 O A:HOH992 2.7 0.0 0.5 H5 A:GCU1 2.8 0.0 1.0 C6 A:GCU1 3.5 0.0 1.0 H83 A:NAG2 3.6 0.0 1.0 C5 A:GCU1 3.6 0.0 1.0 C8 A:NAG2 4.3 0.0 1.0 O4 A:GCU1 4.4 0.0 1.0 C7 A:NAG2 4.5 0.0 1.0 H81 A:NAG2 4.5 0.0 1.0 O5 A:GCU1 4.5 0.0 1.0 C4 A:GCU1 4.6 0.0 1.0 O6B A:GCU1 4.6 0.0 1.0 H1 A:GCU1 4.6 0.0 1.0 N2 A:NAG2 4.7 0.0 1.0 O7 A:NAG2 4.8 0.0 1.0 HN2 A:NAG2 4.8 0.0 1.0 H3 A:GCU1 5.0 0.0 1.0

Sodium binding site 2 out of 3 in the Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms within 5.0Å range: probe atom residue distance (Å) B Occ A:Na772 b:0.0 occ:1.00 O6A A:GCU3 2.5 0.0 1.0 O A:HOH996 2.7 0.0 0.5 H5 A:GCU3 2.8 0.0 1.0 C6 A:GCU3 3.5 0.0 1.0 H83 A:NAG4 3.6 0.0 1.0 C5 A:GCU3 3.6 0.0 1.0 C8 A:NAG4 4.3 0.0 1.0 O4 A:GCU3 4.4 0.0 1.0 C7 A:NAG4 4.5 0.0 1.0 H81 A:NAG4 4.5 0.0 1.0 O5 A:GCU3 4.5 0.0 1.0 C4 A:GCU3 4.6 0.0 1.0 O6B A:GCU3 4.6 0.0 1.0 H1 A:GCU3 4.6 0.0 1.0 O A:HOH991 4.7 0.0 1.0 N2 A:NAG4 4.7 0.0 1.0 O7 A:NAG4 4.8 0.0 1.0 HN2 A:NAG4 4.8 0.0 1.0 H3 A:GCU3 5.0 0.0 1.0

Sodium binding site 3 out of 3 in the Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 3 of Hyaluronic Acid, Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms within 5.0Å range: probe atom residue distance (Å) B Occ A:Na773 b:0.0 occ:1.00 O6A A:GCU5 2.5 0.0 1.0 O A:HOH1000 2.7 0.0 0.5 H5 A:GCU5 2.8 0.0 1.0 C6 A:GCU5 3.5 0.0 1.0 H83 A:NAG6 3.6 0.0 1.0 C5 A:GCU5 3.6 0.0 1.0 C8 A:NAG6 4.3 0.0 1.0 O4 A:GCU5 4.4 0.0 1.0 C7 A:NAG6 4.5 0.0 1.0 H81 A:NAG6 4.5 0.0 1.0 O5 A:GCU5 4.5 0.0 1.0 C4 A:GCU5 4.6 0.0 1.0 O6B A:GCU5 4.6 0.0 1.0 H1 A:GCU5 4.6 0.0 1.0 O A:HOH995 4.7 0.0 1.0 N2 A:NAG6 4.7 0.0 1.0 O7 A:NAG6 4.8 0.0 1.0 HN2 A:NAG6 4.8 0.0 1.0 H3 A:GCU5 5.0 0.0 1.0

W.T.Winter, P.J.Smith, S.Arnott. Hyaluronic Acid: Structure of A Fully Extended 3-Fold Helical Sodium Salt and Comparison with the Less Extended 4-Fold Helical Forms. J.Mol.Biol. V. 99 219 1975.
ISSN: ISSN 0022-2836
PubMed: 1206703
DOI: 10.1016/S0022-2836(75)80142-2