Calcium in PDB 4tx8: Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum

The structure of Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum, PDB code: 4tx8 was solved by H.M.Pereira, M.D.P.Lobo, J.Brandao-Neto, T.B.Grangeiro, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.67 / 2.17
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	120.480, 120.480, 106.410, 90.00, 90.00, 90.00
R / Rfree (%)	16.8 / 19.1

The structure of Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum (pdb code 4tx8). 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 A Family GH18 Chitinase From Chromobacterium Violaceum, PDB code: 4tx8:

Calcium binding site 1 out of 1 in the Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum


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 A Family GH18 Chitinase From Chromobacterium Violaceum within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:48.7 occ:1.00 OE2 A:GLU196 2.4 31.8 1.0 OD1 A:ASP194 2.4 25.2 1.0 O A:ALA231 2.4 21.5 1.0 O A:HOH729 2.5 35.2 1.0 OE1 A:GLU196 2.6 26.6 1.0 CD A:GLU196 2.8 32.3 1.0 NE2 A:GLN268 3.2 29.2 1.0 OE1 A:GLN268 3.3 48.2 1.0 O A:HOH730 3.3 48.0 1.0 CD A:GLN268 3.4 33.8 1.0 C A:ALA231 3.5 23.4 1.0 CG A:ASP194 3.6 29.2 1.0 CA A:PRO232 3.7 24.5 1.0 CA A:ASP194 4.0 25.9 1.0 N A:GLU233 4.0 22.8 1.0 N A:PRO232 4.1 24.9 1.0 C A:PRO232 4.1 25.6 1.0 C A:ASP194 4.2 26.9 1.0 CG A:GLU233 4.2 27.9 1.0 CG A:GLU196 4.3 33.0 1.0 O A:ASP194 4.3 27.8 1.0 CB A:ASP194 4.4 26.3 1.0 OD2 A:ASP194 4.5 33.4 1.0 OE2 A:GLU233 4.5 32.1 1.0 CG A:GLN268 4.6 25.9 1.0 CB A:ALA231 4.6 21.7 1.0 O A:HOH690 4.6 25.7 1.0 CA A:ALA231 4.7 23.4 1.0 N A:LEU195 4.7 24.4 1.0 OHB A:FLC506 4.8 0.0 1.0 CD A:GLU233 4.9 34.5 1.0 O A:LEU193 4.9 24.9 1.0 N A:GLU196 5.0 23.9 1.0 CB A:PRO232 5.0 23.8 1.0

H.M.Pereira, M.D.P.Lobo, J.Brandao-Neto, T.B.Grangeiro. Crystal Structure of A Family GH18 Chitinase From Chromobacterium Violaceum To Be Published.