Calcium in PDB 3x3n: Crystal Structure of ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21

The structure of Crystal Structure of ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21, PDB code: 3x3n was solved by X.L.Zhang, D.F.Li, X.E.Zhang, L.J.Bi, D.C.Wang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.65 / 2.00
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	31.840, 122.650, 60.420, 90.00, 101.27, 90.00
R / Rfree (%)	20.2 / 23.4

The binding sites of Calcium atom in the Crystal Structure of ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21 (pdb code 3x3n). 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 ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21, PDB code: 3x3n:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21


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 ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:62.4 occ:1.00 O A:HOH720 2.3 43.9 1.0 O A:HOH604 2.3 29.2 1.0 O A:HOH721 2.4 43.1 1.0 O A:HOH723 2.4 39.9 1.0 OD1 A:ASP108 2.4 36.6 1.0 O A:HOH722 2.4 42.6 1.0 CG A:ASP108 3.3 40.0 1.0 OD2 A:ASP108 3.6 42.7 1.0 OE1 A:GLU114 4.0 38.0 1.0 NE2 A:GLN111 4.1 60.8 1.0 OE2 A:GLU114 4.2 41.1 1.0 O A:HOH690 4.2 48.2 1.0 O A:HOH623 4.2 42.0 1.0 O A:PRO109 4.3 35.2 1.0 O A:ALA105 4.4 44.0 1.0 O A:SER292 4.4 28.7 1.0 CD A:GLU114 4.5 39.5 1.0 O A:ASP108 4.7 30.8 1.0 O A:HOH618 4.7 39.2 1.0 CB A:ASP108 4.7 36.1 1.0 N A:ASP108 4.9 30.9 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21


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 ECCB1 of Mycobacterium Tuberculosis in Spacegroup P21 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca502 b:74.4 occ:1.00 NE2 A:HIS295 2.2 38.8 1.0 O A:HOH725 2.3 46.4 1.0 O A:HOH726 2.4 40.3 1.0 O A:HOH724 2.4 45.7 1.0 OG A:SER106 2.5 40.3 1.0 CE1 A:HIS295 2.9 36.1 1.0 CB A:SER106 3.4 43.6 1.0 CD2 A:HIS295 3.4 39.1 1.0 ND1 A:HIS295 4.1 31.0 1.0 OD1 A:ASP104 4.2 38.7 1.0 OD2 A:ASP104 4.2 59.3 1.0 CG A:HIS295 4.4 35.7 1.0 CG A:ASP104 4.6 59.0 1.0 CA A:SER106 4.8 38.4 1.0

X.L.Zhang, D.F.Li, J.Fleming, L.W.Wang, Y.Zhou, D.C.Wang, X.E.Zhang, L.J.Bi. Core Component ECCB1 of the Mycobacterium Tuberculosis Type VII Secretion System Is A Periplasmic Atpase. Faseb J. 2015.
ISSN: ESSN 1530-6860
PubMed: 26396239
DOI: 10.1096/FJ.15-270843