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Potassium in PDB 1t9b: Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron

Enzymatic activity of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron

All present enzymatic activity of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron:
2.2.1.6;

Protein crystallography data

The structure of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron, PDB code: 1t9b was solved by J.A.Mccourt, S.S.Pang, L.W.Guddat, R.G.Duggleby, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 2.20
Space group P 4 2 2
Cell size a, b, c (Å), α, β, γ (°) 154.579, 154.579, 178.759, 90.00, 90.00, 90.00
R / Rfree (%) 16.2 / 19.5

Other elements in 1t9b:

The structure of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms
Chlorine (Cl) 2 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron (pdb code 1t9b). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron, PDB code: 1t9b:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 1t9b

Go back to Potassium Binding Sites List in 1t9b
Potassium binding site 1 out of 2 in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1696

b:29.0
occ:1.00
O A:GLN506 2.6 27.4 1.0
O A:TRP508 2.7 26.1 1.0
O A:HOH4034 2.7 20.9 1.0
OE1 A:GLN343 2.8 28.0 1.0
OD2 A:ASP350 2.9 30.8 1.0
O A:HOH4492 2.9 48.8 1.0
O A:HOH4147 3.5 72.2 1.0
CD A:GLN343 3.6 29.6 1.0
C A:GLN506 3.6 26.2 1.0
NE2 A:GLN343 3.7 26.8 1.0
O A:HOH4780 3.7 54.4 1.0
C A:TRP508 3.8 27.4 1.0
CG A:ASP350 3.9 30.6 1.0
O A:ALA505 4.0 23.8 1.0
OD1 A:ASP350 4.1 29.8 1.0
N A:TRP508 4.3 26.2 1.0
CA A:GLN506 4.4 24.9 1.0
CD1 A:TRP510 4.5 30.1 1.0
N A:HIS507 4.5 26.5 1.0
C A:HIS507 4.5 27.0 1.0
CA A:THR509 4.6 29.8 1.0
N A:THR509 4.7 28.2 1.0
CA A:HIS507 4.7 26.6 1.0
CE1 A:TYR460 4.7 29.5 1.0
CA A:TRP508 4.8 26.0 1.0
NE1 A:TRP510 4.8 30.6 1.0
CG A:GLN343 4.9 30.3 1.0
C A:ALA505 4.9 23.1 1.0
O A:HOH4546 5.0 42.3 1.0

Potassium binding site 2 out of 2 in 1t9b

Go back to Potassium Binding Sites List in 1t9b
Potassium binding site 2 out of 2 in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Chlorsulfuron within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K696

b:14.6
occ:1.00
O B:TRP508 2.7 14.4 1.0
O B:GLN506 2.7 12.8 1.0
O B:HOH4232 2.7 11.6 1.0
OE1 B:GLN343 2.8 8.9 1.0
OD2 B:ASP350 2.8 12.7 1.0
O B:HOH5202 3.0 36.1 1.0
CD B:GLN343 3.6 11.8 1.0
O B:HOH4657 3.7 36.2 1.0
O B:HOH4676 3.7 30.6 1.0
C B:GLN506 3.7 12.3 1.0
NE2 B:GLN343 3.7 10.5 1.0
CG B:ASP350 3.8 11.7 1.0
C B:TRP508 3.9 13.8 1.0
OD1 B:ASP350 4.0 9.9 1.0
O B:ALA505 4.1 11.3 1.0
N B:TRP508 4.4 13.4 1.0
CD1 B:TRP510 4.4 8.4 1.0
C B:HIS507 4.5 13.5 1.0
CA B:THR509 4.5 14.3 1.0
N B:HIS507 4.6 12.7 1.0
CA B:GLN506 4.6 12.3 1.0
O B:HOH4363 4.6 25.0 1.0
N B:THR509 4.7 13.3 1.0
CA B:HIS507 4.7 13.3 1.0
CE1 B:TYR460 4.8 13.5 1.0
CA B:TRP508 4.8 13.1 1.0
NE1 B:TRP510 4.8 7.2 1.0
N B:TRP510 4.8 12.3 1.0
CG B:GLN343 4.9 13.2 1.0

Reference:

J.A.Mccourt, S.S.Pang, L.W.Guddat, R.G.Duggleby. Elucidating the Specificity of Binding of Sulfonylurea Herbicides to Acetohydroxyacid Synthase. Biochemistry V. 44 2330 2005.
ISSN: ISSN 0006-2960
PubMed: 15709745
DOI: 10.1021/BI047980A
Page generated: Mon Aug 12 05:27:37 2024

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