Sodium in PDB 1gny: Xylan-Binding Module CBM15

All present enzymatic activity of Xylan-Binding Module CBM15:
3.2.1.8;

The structure of Xylan-Binding Module CBM15, PDB code: 1gny was solved by S.Szabo, S.Jamal, H.Xie, S.J.Charnock, D.N.Bolam, H.J.Gilbert, G.J.Davies, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 1.63
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	92.150, 60.122, 33.107, 90.00, 102.78, 90.00
R / Rfree (%)	15 / 17.7

The binding sites of Sodium atom in the Xylan-Binding Module CBM15 (pdb code 1gny). 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 Xylan-Binding Module CBM15, PDB code: 1gny:

Sodium binding site 1 out of 1 in the Xylan-Binding Module CBM15


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Xylan-Binding Module CBM15 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na1244 b:34.2 occ:1.00 O A:HOH2163 1.9 36.6 1.0 O A:ALA192 2.4 19.1 1.0 OD1 A:ASN154 2.4 16.5 1.0 O A:VAL155 2.7 16.4 1.0 O A:HOH2162 2.8 31.9 1.0 CG A:ASN154 3.2 18.2 1.0 C A:ALA192 3.3 18.5 1.0 ND2 A:ASN154 3.4 21.2 1.0 O A:HOH2161 3.5 23.6 1.0 CA A:ALA192 3.6 18.3 1.0 O A:HOH2126 3.7 52.4 1.0 C A:VAL155 3.7 17.1 1.0 O A:HOH2108 3.8 26.9 1.0 CB A:ALA192 3.9 19.1 1.0 N A:VAL155 4.2 16.5 1.0 CA A:SER156 4.4 17.1 1.0 O A:HOH2111 4.4 26.3 1.0 N A:SER156 4.4 16.4 1.0 N A:ASP193 4.5 18.2 1.0 O A:HOH2102 4.6 44.3 1.0 CA A:VAL155 4.6 18.0 1.0 CB A:ASN154 4.6 17.6 1.0 C A:ASN154 4.8 17.0 1.0 C A:SER156 4.9 16.6 1.0

L.Szabo, S.Jamal, H.Xie, S.J.Charnock, D.N.Bolam, H.J.Gilbert, G.J.Davies. Structure of A Family 15 Carbohydrate-Binding Module in Complex with Xylopentaose: Evidence That Xylan Binds in An Approximate Three-Fold Helical Conformation J.Biol.Chem. V. 276 49061 2001.
ISSN: ISSN 0021-9258
PubMed: 11598143
DOI: 10.1074/JBC.M109558200