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Caesium in PDB 2j9x: Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A)

Enzymatic activity of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A)

All present enzymatic activity of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A):
4.2.1.20;

Protein crystallography data

The structure of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A), PDB code: 2j9x was solved by H.Ngo, N.Kimmich, R.Harris, D.Niks, L.Blumenstein, V.Kulik, T.R.Barends, I.Schlichting, M.F.Dunn, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.63 / 1.9
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 183.212, 59.621, 67.389, 90.00, 94.63, 90.00
R / Rfree (%) 21.5 / 24

Caesium Binding Sites:

The binding sites of Caesium atom in the Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A) (pdb code 2j9x). This binding sites where shown within 5.0 Angstroms radius around Caesium atom.
In total 3 binding sites of Caesium where determined in the Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A), PDB code: 2j9x:
Jump to Caesium binding site number: 1; 2; 3;

Caesium binding site 1 out of 3 in 2j9x

Go back to Caesium Binding Sites List in 2j9x
Caesium binding site 1 out of 3 in the Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A)


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 1 of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs1397

b:9.1
occ:0.50
 O B:GLY232 2.9 10.4 1.0
O B:GLY268 3.0 4.7 1.0
O B:PHE306 3.1 8.3 1.0
O B:SER308 3.2 5.2 1.0
O B:LEU304 3.5 4.6 1.0
O B:VAL231 3.6 4.8 1.0
C B:GLY232 3.6 8.2 1.0
CA B:GLY232 3.7 7.5 1.0
C B:GLY268 4.1 6.6 1.0
C B:PHE306 4.1 9.7 1.0
CD B:PRO270 4.2 9.4 1.0
CB B:PHE306 4.3 10.1 1.0
CD B:PRO257 4.4 2.3 1.0
C B:VAL231 4.4 6.1 1.0
N B:PHE306 4.4 8.2 1.0
C B:SER308 4.4 6.9 1.0
N B:GLY232 4.5 6.2 1.0
CA B:PHE306 4.5 9.4 1.0
C B:LEU304 4.5 6.6 1.0
CA B:GLY268 4.6 5.9 1.0
CG B:PRO257 4.6 3.2 1.0
CG B:PRO270 4.7 10.4 1.0
CD2 B:PHE306 4.8 14.1 1.0
OE2 B:GLU256 4.8 7.9 1.0
N B:GLY233 4.8 6.8 1.0
N B:SER308 4.9 8.2 1.0

Caesium binding site 2 out of 3 in 2j9x

Go back to Caesium Binding Sites List in 2j9x
Caesium binding site 2 out of 3 in the Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A)


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 2 of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs1398

b:28.8
occ:1.00
 O B:GLY54 2.7 6.8 1.0
O B:PRO56 2.9 3.6 1.0
O B:HOH2055 3.5 18.6 1.0
C B:GLY54 3.8 6.6 1.0
C1 B:DMS1400 3.8 28.0 1.0
C B:PRO56 4.0 5.3 1.0
C B:ARG55 4.1 5.1 1.0
N B:PRO56 4.1 5.7 1.0
O B:HOH2056 4.2 9.7 1.0
O B:ARG55 4.2 4.9 1.0
CD B:PRO56 4.4 7.1 1.0
C2 B:DMS1400 4.5 27.5 1.0
CA B:GLY54 4.6 6.0 1.0
N B:ARG55 4.6 4.6 1.0
CA B:ARG55 4.6 5.9 1.0
CA B:PRO56 4.7 6.5 1.0
CG B:PRO56 4.8 7.4 1.0
O B:HOH2068 4.9 23.0 1.0
S B:DMS1400 4.9 29.0 1.0

Caesium binding site 3 out of 3 in 2j9x

Go back to Caesium Binding Sites List in 2j9x
Caesium binding site 3 out of 3 in the Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A)


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 3 of Tryptophan Synthase in Complex with Gp, Alpha-D,L-Glycerol- Phosphate, Cs, PH6.5 - Alpha Aminoacrylate Form - (Gp)E(A- A) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs1399

b:30.4
occ:0.70
 O B:THR66 3.1 11.6 1.0
O B:HOH2036 3.2 41.9 1.0
O B:THR71 3.3 7.7 1.0
O B:THR69 3.4 10.3 1.0
OG1 B:THR66 3.5 10.2 1.0
CB B:THR66 3.8 10.2 1.0
C B:THR66 3.8 12.1 1.0
OG1 B:THR69 4.1 6.1 1.0
C B:THR69 4.2 8.6 1.0
C B:THR71 4.2 6.8 1.0
N B:THR71 4.4 5.4 1.0
CA B:THR66 4.4 10.1 1.0
N B:ALA67 4.5 10.9 1.0
N B:THR69 4.6 12.1 1.0
CA B:ALA67 4.7 13.4 1.0
O B:HOH2057 4.8 4.2 1.0
C B:ARG70 4.9 6.7 1.0
CA B:THR69 4.9 9.7 1.0
N B:ARG70 4.9 5.8 1.0
CA B:THR71 4.9 6.3 1.0
CA B:ARG70 4.9 8.3 1.0
N B:GLY68 4.9 14.7 1.0
OG1 B:THR72 5.0 6.5 1.0

Reference:

H.Ngo, N.Kimmich, R.Harris, D.Niks, L.Blumenstein, V.Kulik, T.R.Barends, I.Schlichting, M.F.Dunn. Allosteric Regulation of Substrate Channeling in Tryptophan Synthase: Modulation of the L-Serine Reaction in Stage I of the Beta-Reaction By Alpha- Site Ligands. Biochemistry V. 46 7740 2007.
ISSN: ISSN 0006-2960
PubMed: 17559232
DOI: 10.1021/BI7003872
Page generated: Tue Jul 30 20:18:04 2024

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