Sodium in PDB 1eut: Sialidase, Large 68KD Form, Complexed with Galactose

All present enzymatic activity of Sialidase, Large 68KD Form, Complexed with Galactose:
3.2.1.18;

The structure of Sialidase, Large 68KD Form, Complexed with Galactose, PDB code: 1eut was solved by A.Gaskell, S.J.Crennell, G.L.Taylor, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 2.50
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	51.280, 117.300, 60.240, 90.00, 96.17, 90.00
R / Rfree (%)	21.4 / n/a

The binding sites of Sodium atom in the Sialidase, Large 68KD Form, Complexed with Galactose (pdb code 1eut). 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 Sialidase, Large 68KD Form, Complexed with Galactose, PDB code: 1eut:

Sodium binding site 1 out of 1 in the Sialidase, Large 68KD Form, Complexed with Galactose


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Sialidase, Large 68KD Form, Complexed with Galactose within 5.0Å range: probe atom residue distance (Å) B Occ A:Na1 b:15.0 occ:1.00 O A:ASN528 2.2 23.8 1.0 O A:ASN533 2.2 9.2 1.0 O A:ALA639 2.2 12.1 1.0 O A:THR536 2.2 27.2 1.0 OG1 A:THR536 2.3 27.2 1.0 OE2 A:GLU640 2.6 23.5 1.0 OD1 A:ASP531 2.8 14.6 1.0 C A:THR536 3.0 6.6 1.0 C A:ASN528 3.4 2.0 1.0 C A:ASN533 3.4 19.9 1.0 CB A:THR536 3.4 27.2 1.0 C A:ALA639 3.4 4.0 1.0 CA A:THR536 3.6 6.6 1.0 CD A:GLU640 3.6 23.5 1.0 N A:THR536 3.8 6.6 1.0 CG A:ASP531 3.8 14.6 1.0 N A:PHE537 4.0 10.2 1.0 CG A:GLU640 4.0 23.5 1.0 OD2 A:ASP531 4.1 14.6 1.0 CA A:ASN533 4.1 19.9 1.0 CA A:ALA639 4.1 4.0 1.0 CA A:ASN528 4.1 2.0 1.0 CB A:ASN528 4.2 23.8 1.0 N A:ASN533 4.2 19.9 1.0 CB A:ASN533 4.3 9.2 1.0 N A:VAL529 4.3 19.8 1.0 N A:PRO534 4.4 5.4 1.0 N A:GLU640 4.4 14.4 1.0 CA A:PHE537 4.5 10.2 1.0 CA A:VAL529 4.5 19.8 1.0 CG2 A:THR536 4.6 27.2 1.0 CA A:PRO534 4.7 5.4 1.0 CA A:GLU640 4.7 14.4 1.0 C A:PRO534 4.7 5.4 1.0 OE1 A:GLU640 4.7 23.5 1.0 CB A:ALA639 4.8 12.1 1.0 C A:VAL529 4.8 19.8 1.0 O A:VAL529 4.9 5.7 1.0 CB A:GLU640 4.9 23.5 1.0 N A:SER535 5.0 14.5 1.0

A.Gaskell, S.Crennell, G.Taylor. The Three Domains of A Bacterial Sialidase: A Beta-Propeller, An Immunoglobulin Module and A Galactose-Binding Jelly-Roll. Structure V. 3 1197 1995.
ISSN: ISSN 0969-2126
PubMed: 8591030
DOI: 10.1016/S0969-2126(01)00255-6