Calcium in PDB 6z6z: Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand

The structure of Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand, PDB code: 6z6z was solved by A.Skerra, A.Eichinger, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	63.34 / 1.78
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	38.557, 75.579, 116.12, 90, 90, 90
R / Rfree (%)	20.1 / 25.9

The binding sites of Calcium atom in the Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand (pdb code 6z6z). 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 Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand, PDB code: 6z6z:

Calcium binding site 1 out of 1 in the Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of An Anticalin Directed Towards Colchicine Without Ligand within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca201 b:25.3 occ:1.00 O A:GLY95 2.2 23.8 1.0 O A:THR104 2.3 29.0 1.0 OD1 A:ASN96 2.3 25.7 1.0 OE1 A:GLU100 2.3 28.4 1.0 CG A:ASN96 3.2 26.3 1.0 C A:GLY95 3.4 22.1 1.0 C A:THR104 3.4 30.6 1.0 CD A:GLU100 3.5 31.1 1.0 CB A:GLU100 3.7 35.0 1.0 CA A:ASN96 4.0 24.9 1.0 ND2 A:ASN96 4.0 27.1 1.0 CB A:ASN96 4.1 25.6 1.0 N A:ASN96 4.1 24.3 1.0 CG A:GLU100 4.2 33.8 1.0 CA A:THR104 4.2 30.9 1.0 CB A:THR104 4.2 31.4 1.0 N A:SER105 4.3 29.0 1.0 N A:THR104 4.4 32.6 1.0 OE2 A:GLU100 4.5 29.9 1.0 CA A:GLY95 4.5 21.9 1.0 CA A:SER105 4.5 26.8 1.0 O A:GLU100 4.7 47.3 1.0 O A:HOH329 4.8 35.1 1.0 O A:GLY102 4.8 36.6 1.0 CB A:SER105 4.9 27.9 1.0 CG2 A:THR104 4.9 31.5 1.0

E.Ilyukhina, A.Eichinger, A.Skerra. Structural Rearrangement in the Ligand Pocket of Colchicalin Upon Colchicine Binding To Be Published.