Calcium in PDB 6zqx: Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound

The structure of Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound, PDB code: 6zqx was solved by A.K.Shrive, T.J.Greenhough, H.M.Williams, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	59.41 / 1.84
Space group	P 4
Cell size a, b, c (Å), α, β, γ (°)	118.67, 118.67, 44.23, 90, 90, 90
R / Rfree (%)	16.1 / 17.6

The binding sites of Calcium atom in the Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound (pdb code 6zqx). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound, PDB code: 6zqx:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound


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 Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:28.3 occ:1.00 OD1 A:ASP395 2.3 29.4 1.0 O A:HOH688 2.3 22.9 1.0 O A:SER397 2.4 34.7 1.0 OD2 A:ASP393 2.4 31.5 1.0 O A:ASN399 2.4 28.7 1.0 O A:HOH725 2.5 31.5 1.0 OD1 A:ASP393 2.5 28.5 1.0 CG A:ASP393 2.8 28.6 1.0 CG A:ASP395 3.1 29.9 1.0 OD2 A:ASP395 3.4 27.6 1.0 C A:SER397 3.4 34.9 1.0 C A:ASN399 3.5 34.4 1.0 N A:SER397 4.0 31.0 1.0 O A:HOH727 4.0 41.8 1.0 CA A:SER397 4.1 34.6 1.0 O A:ASP395 4.2 28.8 1.0 N A:ASN400 4.2 27.2 1.0 N A:ASN399 4.3 41.2 1.0 CB A:ASP393 4.3 26.5 1.0 CB A:SER397 4.3 34.7 1.0 CA A:ASN400 4.3 25.6 1.0 C A:GLU398 4.3 41.0 1.0 CA A:ASN399 4.4 40.7 1.0 C A:ASP395 4.4 30.1 1.0 CB A:ASP395 4.5 27.6 1.0 N A:GLU398 4.5 37.2 1.0 N A:ASP395 4.5 25.4 1.0 O A:GLU398 4.6 38.3 1.0 CA A:ASP395 4.7 28.1 1.0 O A:HOH695 4.8 34.5 1.0 CA A:GLU398 4.8 41.4 1.0 OG A:SER397 4.9 34.6 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Tetrameric Fibrinogen-Like Recognition Domain of FIBCD1 with N,N'-Diacetyl Chitobiose Ligand Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca501 b:25.6 occ:1.00 O B:HOH662 2.3 28.7 1.0 OD1 B:ASP395 2.3 23.7 1.0 O B:ASN399 2.3 28.3 1.0 O B:HOH733 2.4 32.2 1.0 OD2 B:ASP393 2.4 26.0 1.0 O B:SER397 2.5 31.2 1.0 OD1 B:ASP393 2.6 24.7 1.0 CG B:ASP393 2.8 27.4 1.0 CG B:ASP395 3.2 25.9 1.0 C B:ASN399 3.5 30.0 1.0 OD2 B:ASP395 3.5 23.0 1.0 C B:SER397 3.5 33.6 1.0 O B:HOH715 4.0 42.3 1.0 N B:SER397 4.1 29.7 1.0 CA B:SER397 4.2 32.7 1.0 O B:ASP395 4.2 25.9 1.0 N B:ASN400 4.2 26.6 1.0 N B:ASN399 4.3 34.4 1.0 CB B:ASP393 4.3 27.2 1.0 C B:GLU398 4.3 36.2 1.0 CB B:SER397 4.3 33.4 1.0 CA B:ASN400 4.3 24.3 1.0 C B:ASP395 4.4 26.4 1.0 CB B:ASP395 4.5 23.4 1.0 CA B:ASN399 4.5 34.1 1.0 N B:GLU398 4.5 34.2 1.0 O B:GLU398 4.5 34.2 1.0 O B:HOH752 4.5 50.4 1.0 N B:ASP395 4.6 23.5 1.0 O B:HOH668 4.7 32.2 1.0 CA B:ASP395 4.7 23.9 1.0 CA B:GLU398 4.8 38.4 1.0 OG B:SER397 4.9 33.5 1.0

H.M.Williams, J.B.Moeller, I.Burns, A.Schlosser, G.L.Sorensen, T.J.Greenhough, U.Holmskov, A.K.Shrive. Crystal Structures of Human Immune Protein FIBCD1 Reveal An Extended Ligand Binding Site Compatible with Recognition of Chitin Oligomers To Be Published.