Calcium in PDB 1lu1: The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide

The structure of The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide, PDB code: 1lu1 was solved by T.W.Hamelryck, R.Loris, J.Bouckaert, G.Strecker, A.Imberty, E.Fernandez, L.Wyns, M.E.Etzler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.60
Space group	I 41 2 2
Cell size a, b, c (Å), α, β, γ (°)	79.050, 79.050, 260.110, 90.00, 90.00, 90.00
R / Rfree (%)	19.4 / 23.4

The structure of The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide also contains other interesting chemical elements:

Manganese

(Mn)

1 atom

The binding sites of Calcium atom in the The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide (pdb code 1lu1). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide, PDB code: 1lu1:

Calcium binding site 1 out of 1 in the The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Structure of the Dolichos Biflorus Seed Lectin in Complex with the Forssman Disaccharide within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:41.5 occ:1.00 OD1 A:ASN129 2.1 51.2 1.0 O A:LEU127 2.4 48.0 1.0 OD1 A:ASP125 2.4 35.9 1.0 OD2 A:ASP133 2.4 46.7 1.0 OD2 A:ASP125 2.7 35.9 1.0 CG A:ASP125 2.9 35.9 1.0 CG A:ASN129 3.3 51.2 1.0 CG A:ASP133 3.6 46.7 1.0 C A:LEU127 3.6 48.0 1.0 N A:ASN129 4.1 52.1 1.0 OD1 A:ASP133 4.1 46.7 1.0 ND2 A:ASN129 4.1 51.2 1.0 CB A:ASN129 4.2 51.2 1.0 OD1 A:ASP85 4.3 52.1 1.0 CB A:ASP125 4.3 35.9 1.0 O A:GLY103 4.4 44.8 1.0 NE1 A:TRP132 4.4 52.6 1.0 CA A:LEU127 4.5 48.0 1.0 O A:ASP85 4.5 36.8 1.0 N A:LEU127 4.5 48.0 1.0 N A:SER128 4.5 43.6 1.0 CA A:SER128 4.6 43.6 1.0 CA A:GLY103 4.6 44.8 1.0 MN A:MN302 4.7 62.4 1.0 C A:SER128 4.7 43.6 1.0 CB A:LEU127 4.7 51.3 1.0 CB A:ASP133 4.8 46.7 1.0 CA A:ASN129 4.8 52.1 1.0

T.W.Hamelryck, R.Loris, J.Bouckaert, M.H.Dao-Thi, G.Strecker, A.Imberty, E.Fernandez, L.Wyns, M.E.Etzler. Carbohydrate Binding, Quaternary Structure and A Novel Hydrophobic Binding Site in Two Legume Lectin Oligomers From Dolichos Biflorus. J.Mol.Biol. V. 286 1161 1999.
ISSN: ISSN 0022-2836
PubMed: 10047489
DOI: 10.1006/JMBI.1998.2534