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Calcium in PDB 1tkb: Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate

Enzymatic activity of Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate

All present enzymatic activity of Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate:
2.2.1.1;

Protein crystallography data

The structure of Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate, PDB code: 1tkb was solved by G.Schneider, S.Koenig, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 15.00 / 2.30
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 76.300, 113.300, 160.900, 90.00, 90.00, 90.00
R / Rfree (%) 18.5 / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate (pdb code 1tkb). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate, PDB code: 1tkb:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 1tkb

Go back to Calcium Binding Sites List in 1tkb
Calcium binding site 1 out of 2 in the Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca682

b:18.1
occ:1.00
 O1B A:N1T681 1.7 23.2 1.0
OD1 A:ASN187 1.8 21.7 1.0
O A:ILE189 2.0 24.0 1.0
O2A A:N1T681 2.2 19.4 1.0
OD2 A:ASP157 2.5 14.3 1.0
CG A:ASN187 2.9 16.3 1.0
PB A:N1T681 3.0 13.2 1.0
ND2 A:ASN187 3.3 14.6 1.0
C A:ILE189 3.3 18.4 1.0
PA A:N1T681 3.4 11.3 1.0
O2B A:N1T681 3.5 12.9 1.0
O3A A:N1T681 3.5 12.7 1.0
CG A:ASP157 3.6 11.8 1.0
O7 A:N1T681 4.1 18.5 1.0
O3B A:N1T681 4.2 15.3 1.0
CG2 A:THR190 4.2 12.8 1.0
N A:ILE189 4.2 17.6 1.0
CB A:ASP157 4.2 10.2 1.0
N A:THR190 4.2 16.5 1.0
CA A:ILE189 4.3 15.9 1.0
CB A:ASN187 4.3 13.2 1.0
CA A:THR190 4.3 15.2 1.0
N A:ASP157 4.4 9.2 1.0
O1A A:N1T681 4.5 17.1 1.0
OD1 A:ASP157 4.6 5.4 1.0
CB A:ILE189 4.6 17.0 1.0
O A:ASP185 4.7 9.3 1.0
CB A:THR190 4.8 13.2 1.0
CG2 A:ILE189 4.8 18.3 1.0
N A:ASN187 4.8 9.1 1.0
CA A:ASN187 5.0 13.1 1.0
CA A:ASP157 5.0 13.1 1.0

Calcium binding site 2 out of 2 in 1tkb

Go back to Calcium Binding Sites List in 1tkb
Calcium binding site 2 out of 2 in the Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Specificity of Coenzyme Binding in Thiamin Diphosphate Dependent Enzymes: Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca682

b:23.5
occ:1.00
 O2B B:N1T681 1.7 26.9 1.0
OD1 B:ASN187 1.8 20.3 1.0
O B:ILE189 1.9 12.4 1.0
OD2 B:ASP157 2.2 14.6 1.0
O2A B:N1T681 2.4 14.5 1.0
CG B:ASN187 2.8 21.7 1.0
PB B:N1T681 2.9 20.0 1.0
ND2 B:ASN187 3.2 24.4 1.0
O3B B:N1T681 3.2 25.5 1.0
C B:ILE189 3.2 14.4 1.0
O3A B:N1T681 3.3 16.3 1.0
CG B:ASP157 3.4 10.0 1.0
PA B:N1T681 3.5 13.8 1.0
N B:ILE189 4.1 18.1 1.0
CB B:ASP157 4.1 7.9 1.0
N B:THR190 4.2 13.4 1.0
CA B:ILE189 4.2 15.0 1.0
O1B B:N1T681 4.2 20.9 1.0
CB B:ASN187 4.2 19.4 1.0
CG2 B:THR190 4.3 20.1 1.0
OD1 B:ASP157 4.3 13.7 1.0
CA B:THR190 4.3 18.7 1.0
O1A B:N1T681 4.4 13.8 1.0
N B:ASP157 4.4 6.2 1.0
O B:ASP185 4.7 10.9 1.0
CB B:ILE189 4.7 15.7 1.0
O7 B:N1T681 4.7 13.4 1.0
N B:ASN187 4.9 13.5 1.0
CA B:ASP157 4.9 5.2 1.0
CB B:THR190 5.0 21.1 1.0
CA B:ASN187 5.0 18.1 1.0
N B:LYS188 5.0 21.1 1.0

Reference:

S.Konig, A.Schellenberger, H.Neef, G.Schneider. Specificity of Coenzyme Binding in Thiamin Diphosphate-Dependent Enzymes. Crystal Structures of Yeast Transketolase in Complex with Analogs of Thiamin Diphosphate. J.Biol.Chem. V. 269 10879 1994.
ISSN: ISSN 0021-9258
PubMed: 8144674
Page generated: Thu Jul 11 23:04:54 2024

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