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Calcium in PDB 3tez: Crystal Structure of Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution

Protein crystallography data

The structure of Crystal Structure of Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution, PDB code: 3tez was solved by G.K.Feld, B.A.Krantz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 24.90 / 1.83
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 71.293, 93.686, 117.851, 90.00, 90.00, 90.00
R / Rfree (%) 19.3 / 22.6

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution (pdb code 3tez). 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 Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution, PDB code: 3tez:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 3tez

Go back to Calcium Binding Sites List in 3tez
Calcium binding site 1 out of 2 in the Crystal Structure of Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution


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 Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca800

b:27.0
occ:1.00
O A:ILE183 2.3 26.4 1.0
OE2 A:GLU188 2.4 27.1 1.0
OD1 A:ASP179 2.4 25.1 1.0
O A:HOH802 2.4 24.8 1.0
OD1 A:ASP177 2.4 25.1 1.0
OD1 A:ASP181 2.5 24.8 1.0
CG A:ASP181 3.3 25.6 1.0
CG A:ASP179 3.3 25.9 1.0
C A:ILE183 3.4 30.7 1.0
CD A:GLU188 3.5 24.1 1.0
OD2 A:ASP179 3.6 26.1 1.0
OD2 A:ASP181 3.6 22.8 1.0
CG A:ASP177 3.6 30.8 1.0
N A:ILE183 3.8 24.3 1.0
CA A:ILE183 4.0 24.7 1.0
N A:ASP181 4.1 23.7 1.0
CB A:ILE183 4.2 21.9 1.0
CA A:CA801 4.2 24.8 1.0
CG A:GLU188 4.3 22.3 1.0
O A:PRO223 4.3 25.6 1.0
CA A:ASP177 4.3 25.8 1.0
N A:GLY182 4.4 26.2 1.0
OE1 A:GLU188 4.4 25.1 1.0
OD2 A:ASP177 4.4 30.0 1.0
CB A:ASP181 4.5 25.2 1.0
N A:PRO184 4.5 25.7 1.0
N A:ASP179 4.5 29.1 1.0
CB A:ASP177 4.6 28.6 1.0
C A:ASP177 4.6 23.8 1.0
OD1 A:ASP185 4.6 32.0 1.0
CA A:PRO223 4.6 28.1 1.0
C A:PRO184 4.6 27.4 1.0
CA A:ASP181 4.7 27.5 1.0
N A:ASP185 4.7 28.1 1.0
CB A:ASP179 4.7 26.5 1.0
N A:ASN180 4.7 26.5 1.0
C A:GLY182 4.8 29.4 1.0
N A:ARG178 4.8 28.6 1.0
C A:PRO223 4.8 27.8 1.0
CA A:PRO184 4.9 28.9 1.0
C A:ASP181 4.9 24.0 1.0
O A:PRO184 4.9 29.0 1.0
CA A:ASP179 5.0 27.8 1.0

Calcium binding site 2 out of 2 in 3tez

Go back to Calcium Binding Sites List in 3tez
Calcium binding site 2 out of 2 in the Crystal Structure of Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution


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 Anthrax Protective Antigen Mutant S337C N664C and Dithiolacetone Modified to 1.8-A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca801

b:24.8
occ:1.00
O A:SER222 2.4 22.7 1.0
OE1 A:GLU188 2.4 25.1 1.0
OD2 A:ASP181 2.4 22.8 1.0
OD2 A:ASP179 2.4 26.1 1.0
OD2 A:ASP235 2.4 22.5 1.0
O A:LYS225 2.5 22.9 1.0
OE2 A:GLU188 2.8 27.1 1.0
CD A:GLU188 3.0 24.1 1.0
CG A:ASP179 3.4 25.9 1.0
CG A:ASP235 3.5 24.2 1.0
CG A:ASP181 3.5 25.6 1.0
C A:LYS225 3.5 23.6 1.0
C A:SER222 3.5 23.2 1.0
OD1 A:ASP179 3.9 25.1 1.0
OG1 A:THR228 3.9 21.3 1.0
CB A:ASP235 4.0 24.5 1.0
O A:TRP226 4.1 22.9 1.0
OD1 A:ASP181 4.2 24.8 1.0
CA A:CA800 4.2 27.0 1.0
CA A:PRO223 4.3 28.1 1.0
N A:TRP226 4.3 22.9 1.0
CA A:TRP226 4.3 24.7 1.0
N A:LYS225 4.3 25.5 1.0
N A:PRO223 4.3 27.3 1.0
C A:TRP226 4.3 26.2 1.0
N A:SER222 4.4 26.6 1.0
CG A:GLU188 4.5 22.3 1.0
C A:PRO223 4.5 27.8 1.0
CA A:LYS225 4.5 24.0 1.0
OD1 A:ASP235 4.5 20.6 1.0
CA A:SER222 4.5 24.5 1.0
OG A:SER221 4.5 24.7 1.0
CB A:ASP181 4.6 25.2 1.0
CB A:ASP179 4.6 26.5 1.0
CB A:SER221 4.7 23.6 1.0
N A:GLU224 4.8 27.7 1.0
O A:PRO223 4.9 25.6 1.0
C A:SER221 5.0 20.9 1.0

Reference:

G.K.Feld, A.F.Kintzer, I.I.Tang, K.L.Thoren, B.A.Krantz. Domain Flexibility Modulates the Heterogeneous Assembly Mechanism of Anthrax Toxin Protective Antigen. J.Mol.Biol. V. 415 159 2012.
ISSN: ISSN 0022-2836
PubMed: 22063095
DOI: 10.1016/J.JMB.2011.10.035
Page generated: Sat Dec 12 04:31:25 2020

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