Calcium in PDB 2xom: Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose

The structure of Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose, PDB code: 2xom was solved by M.Cid, H.Lodberg-Pedersen, S.Kaneko, P.M.Coutinho, B.Henrissat, W.G.T.Willats, A.B.Boraston, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	17.74 / 0.95
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	82.915, 31.920, 67.790, 90.00, 128.28, 90.00
R / Rfree (%)	10.381 / 11.97

The binding sites of Calcium atom in the Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose (pdb code 2xom). 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 Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose, PDB code: 2xom:

Calcium binding site 1 out of 1 in the Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Atomic Resolution Structure of TMCBM61 in Complex with Beta- 1,4-Galactotriose within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1169 b:4.6 occ:1.00 O A:TYR63 2.3 4.9 1.0 OE1 A:GLN60 2.3 8.0 1.0 OE2 A:GLU31 2.3 5.9 1.0 O A:GLN60 2.4 6.5 1.0 O A:GLY29 2.4 5.0 1.0 OD2 A:ASP158 2.4 4.9 1.0 OD1 A:ASP158 2.7 5.5 1.0 CG A:ASP158 2.9 4.6 1.0 CD A:GLN60 3.4 9.1 1.0 C A:GLY29 3.4 5.0 1.0 CD A:GLU31 3.4 5.9 1.0 C A:TYR63 3.5 4.5 1.0 C A:GLN60 3.5 6.9 1.0 CA A:GLY29 3.8 5.5 1.0 CG A:GLU31 3.9 6.1 1.0 CG A:GLN60 3.9 11.1 1.0 N A:TYR63 4.0 5.4 1.0 CA A:TYR63 4.3 5.1 1.0 N A:GLN60 4.3 7.1 1.0 N A:GLY61 4.4 7.3 1.0 CA A:GLN60 4.4 8.0 1.0 NE2 A:GLN60 4.4 13.9 1.0 CA A:GLY61 4.4 7.5 1.0 CB A:ASP158 4.4 4.6 1.0 N A:ALA64 4.5 4.7 1.0 OE1 A:GLU31 4.5 6.8 1.0 C A:GLY61 4.6 7.0 1.0 CB A:ALA58 4.6 7.8 1.0 N A:PHE30 4.6 4.9 1.0 CA A:ALA64 4.7 4.7 1.0 CB A:TYR63 4.7 5.4 1.0 N A:GLU62 4.7 7.1 1.0 CB A:GLN60 4.7 10.1 1.0 N A:ASP159 5.0 4.4 1.0 N A:GLU31 5.0 5.4 1.0

M.Cid, H.L.Pedersen, S.Kaneko, P.M.Coutinho, B.Henrissat, W.G.T.Willats, A.B.Boraston. Recognition of the Helical Structure of Beta-1,4- Galactan By A New Family of Carbohydrate-Binding Modules. J.Biol.Chem. V. 285 35999 2010.
ISSN: ISSN 0021-9258
PubMed: 20826814
DOI: 10.1074/JBC.M110.166330