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Potassium in PDB 1t9c: Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Sulfometuron Methyl

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

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

Protein crystallography data

The structure of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Sulfometuron Methyl, PDB code: 1t9c 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 / 2.34
Space group P 4 2 2
Cell size a, b, c (Å), α, β, γ (°) 154.486, 154.486, 178.796, 90.00, 90.00, 90.00
R / Rfree (%) 16.2 / 19.1

Other elements in 1t9c:

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

Magnesium (Mg) 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, Sulfometuron Methyl (pdb code 1t9c). 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, Sulfometuron Methyl, PDB code: 1t9c:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 1t9c

Go back to Potassium Binding Sites List in 1t9c
Potassium binding site 1 out of 2 in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Sulfometuron Methyl


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, Sulfometuron Methyl within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1696

b:16.9
occ:1.00
O A:TRP508 2.7 14.4 1.0
O A:HOH4048 2.7 11.9 1.0
OE1 A:GLN343 2.7 18.3 1.0
O A:GLN506 2.8 14.9 1.0
OD2 A:ASP350 2.8 15.5 1.0
O A:HOH4778 2.9 58.8 1.0
CD A:GLN343 3.5 18.4 1.0
NE2 A:GLN343 3.6 14.9 1.0
O A:HOH4061 3.7 60.6 1.0
C A:GLN506 3.7 16.0 1.0
CG A:ASP350 3.7 16.8 1.0
C A:TRP508 3.9 13.9 1.0
OD1 A:ASP350 3.9 12.6 1.0
O A:ALA505 4.0 13.4 1.0
CD1 A:TRP510 4.3 12.0 1.0
N A:TRP508 4.4 14.2 1.0
CA A:THR509 4.5 14.4 1.0
CA A:GLN506 4.6 14.1 1.0
C A:HIS507 4.6 15.3 1.0
N A:HIS507 4.6 16.0 1.0
N A:THR509 4.6 14.3 1.0
CE1 A:TYR460 4.7 20.6 1.0
NE1 A:TRP510 4.7 12.2 1.0
CA A:HIS507 4.7 16.1 1.0
N A:TRP510 4.8 14.7 1.0
CG A:GLN343 4.8 19.6 1.0
CA A:TRP508 4.9 13.9 1.0

Potassium binding site 2 out of 2 in 1t9c

Go back to Potassium Binding Sites List in 1t9c
Potassium binding site 2 out of 2 in the Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex with A Sulfonylurea Herbicide, Sulfometuron Methyl


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, Sulfometuron Methyl within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K696

b:33.5
occ:1.00
O B:GLN506 2.6 31.7 1.0
O B:TRP508 2.6 30.9 1.0
O B:HOH4254 2.7 25.1 1.0
OE1 B:GLN343 2.7 31.6 1.0
OD2 B:ASP350 3.0 37.8 1.0
O B:HOH4990 3.0 45.2 1.0
C B:GLN506 3.6 30.3 1.0
CD B:GLN343 3.6 33.0 1.0
O B:HOH4977 3.7 62.9 1.0
C B:TRP508 3.8 31.2 1.0
CG B:ASP350 3.9 38.7 1.0
O B:ALA505 3.9 25.9 1.0
NE2 B:GLN343 3.9 29.5 1.0
OD1 B:ASP350 4.0 38.6 1.0
N B:TRP508 4.1 31.2 1.0
CD1 B:TRP510 4.3 34.5 1.0
CA B:GLN506 4.4 28.8 1.0
N B:HIS507 4.5 30.9 1.0
C B:HIS507 4.6 31.1 1.0
CA B:THR509 4.6 35.0 1.0
N B:THR509 4.6 33.1 1.0
NE1 B:TRP510 4.7 34.2 1.0
CA B:TRP508 4.7 30.6 1.0
CA B:HIS507 4.7 31.2 1.0
CE1 B:TYR460 4.7 41.8 1.0
O B:HOH5018 4.8 42.8 1.0
C B:ALA505 4.9 26.3 1.0
N B:TRP510 4.9 35.6 1.0
CG B:GLN343 5.0 35.4 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 05:28:15 2024

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