Calcium in PDB 5mtw: Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin

The structure of Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin, PDB code: 5mtw was solved by V.Guillet, L.Mourey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	64.09 / 1.84
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	86.860, 89.960, 91.340, 90.00, 90.00, 90.00
R / Rfree (%)	21.2 / 26.5

The binding sites of Calcium atom in the Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin (pdb code 5mtw). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin, PDB code: 5mtw:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca201 b:37.3 occ:1.00 O D:TYR111 2.2 32.9 1.0 OG D:SER65 2.3 27.7 1.0 OD1 D:ASP110 2.3 33.7 1.0 O D:SER65 2.5 23.4 1.0 CB D:SER65 3.3 28.3 1.0 C D:TYR111 3.4 35.5 1.0 C D:SER65 3.4 25.5 1.0 CG D:ASP110 3.4 37.7 1.0 N D:TYR111 3.8 37.0 1.0 CA D:SER65 3.9 26.5 1.0 OD2 D:ASP110 4.0 39.7 1.0 CA D:TYR111 4.2 34.4 1.0 N D:HIS112 4.5 44.3 1.0 N D:SER65 4.6 23.2 1.0 N D:ALA66 4.6 23.9 1.0 C D:ASP110 4.6 36.3 1.0 CB D:ASP110 4.7 35.0 1.0 CA D:ASP110 4.7 30.1 1.0 CA D:HIS112 4.9 50.2 1.0

Calcium binding site 2 out of 3 in the Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca201 b:41.9 occ:0.40 OG A:SER65 2.2 31.7 1.0 O A:TYR111 2.7 25.5 1.0 O A:SER65 2.7 26.4 1.0 CB A:SER65 3.2 30.7 1.0 C A:SER65 3.6 28.5 1.0 C A:TYR111 3.8 25.1 1.0 N A:TYR111 3.9 26.0 1.0 CA A:SER65 3.9 28.2 1.0 CB A:ASP110 4.5 36.5 1.0 CA A:TYR111 4.5 26.4 1.0 N A:SER65 4.6 28.5 1.0 C A:ASP110 4.7 29.4 1.0 CA A:ASP110 4.7 26.5 1.0 OD1 A:ASP110 4.7 51.4 1.0 N A:ALA66 4.8 25.2 1.0 N A:HIS112 4.8 28.5 1.0 CA A:HIS112 4.9 33.0 1.0 CG A:ASP110 4.9 45.8 1.0

Calcium binding site 3 out of 3 in the Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Mycobacterium Tuberculosis RV1957 Secb-Like Chaperone in Complex with A Chad Peptide From RV1956 HIGA1 Antitoxin within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca202 b:58.1 occ:1.00 O B:TYR111 2.5 33.4 1.0 OG B:SER65 2.5 37.7 1.0 OD1 B:ASP110 2.6 42.9 1.0 O B:SER65 2.6 33.7 1.0 CB B:SER65 3.2 35.2 1.0 C B:SER65 3.5 38.0 1.0 CG B:ASP110 3.5 49.2 1.0 C B:TYR111 3.6 44.0 1.0 CA B:SER65 3.8 34.1 1.0 OD2 B:ASP110 3.9 55.2 1.0 N B:TYR111 3.9 37.5 1.0 ND1 B:HIS112 4.3 48.4 0.3 CA B:TYR111 4.4 37.4 1.0 N B:SER65 4.4 32.2 1.0 CE1 B:HIS112 4.5 46.5 0.3 N B:HIS112 4.6 48.1 1.0 N B:ALA66 4.7 34.2 1.0 CB B:ASP110 4.7 36.2 1.0 C B:ASP110 4.7 34.0 1.0 CA B:ASP110 4.8 34.4 1.0 CA B:HIS112 4.9 51.1 1.0 CG B:HIS112 4.9 48.8 0.3

V.Guillet, P.Bordes, C.Bon, J.Marcoux, V.Gervais, A.J.Sala, S.Dos Reis, N.Slama, I.Mares-Mejia, A.M.Cirinesi, L.Maveyraud, P.Genevaux, L.Mourey. Structural Insights Into Chaperone Addiction of Toxin-Antitoxin Systems. Nat Commun V. 10 782 2019.
ISSN: ESSN 2041-1723
PubMed: 30770830
DOI: 10.1038/S41467-019-08747-4