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Potassium in PDB 3tfz: Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128

Protein crystallography data

The structure of Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128, PDB code: 3tfz was solved by B.D.Ames, M.Y.Lee, C.Moody, W.Zhang, Y.Tang, S.K.Wong, S.C.Tsai, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 2.39
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 50.016, 135.731, 175.496, 90.00, 90.00, 90.00
R / Rfree (%) 19.3 / 26.1

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128 (pdb code 3tfz). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128, PDB code: 3tfz:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 3tfz

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Potassium binding site 1 out of 4 in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128


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 Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K170

b:37.2
occ:1.00
 O A:ALA28 2.4 24.6 1.0
O A:THR34 2.6 29.1 1.0
O A:PHE31 2.7 26.2 1.0
O A:HOH187 2.9 24.3 1.0
O A:PRO32 3.2 24.5 1.0
CA A:PRO32 3.6 24.0 1.0
C A:PRO32 3.6 25.1 1.0
C A:ALA28 3.6 25.0 1.0
C A:PHE31 3.7 23.2 1.0
C A:THR34 3.7 26.0 1.0
N A:PRO32 4.1 22.8 1.0
OE2 A:GLU35 4.3 61.6 1.0
CA A:ALA28 4.3 24.5 1.0
N A:THR34 4.3 22.3 1.0
CA A:THR34 4.4 23.2 1.0
N A:ASP29 4.6 27.1 1.0
N A:PRO33 4.6 25.2 1.0
N A:GLU35 4.7 32.1 1.0
O A:ASP29 4.7 29.4 1.0
N A:PHE31 4.8 23.5 1.0
C A:ASP29 4.8 27.4 1.0
CA A:PHE31 4.8 22.1 1.0
CA A:GLU35 4.8 35.4 1.0
CA A:ASP29 4.8 28.6 1.0
CB A:THR34 4.8 21.1 1.0
C A:PRO33 4.9 24.9 1.0
CB A:PRO32 4.9 23.8 1.0

Potassium binding site 2 out of 4 in 3tfz

Go back to Potassium Binding Sites List in 3tfz
Potassium binding site 2 out of 4 in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128


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 Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K170

b:56.8
occ:1.00
 O B:ALA28 2.6 42.0 1.0
O B:THR34 2.6 52.0 1.0
O B:PHE31 2.7 43.4 1.0
O B:PRO32 3.6 50.7 1.0
C B:THR34 3.7 52.0 1.0
C B:ALA28 3.7 41.3 1.0
C B:PHE31 3.7 40.8 1.0
CA B:PRO32 4.0 46.2 1.0
C B:PRO32 4.0 48.4 1.0
N B:THR34 4.2 49.8 1.0
N B:PRO32 4.3 43.0 1.0
CA B:ALA28 4.3 39.9 1.0
CA B:THR34 4.4 49.4 1.0
N B:GLU35 4.6 54.3 1.0
N B:ASP29 4.7 41.6 1.0
CB B:THR34 4.7 46.8 1.0
N B:PHE31 4.7 35.3 1.0
O B:TYR27 4.7 33.7 1.0
CA B:PHE31 4.8 35.3 1.0
CA B:GLU35 4.8 56.5 1.0
C B:ASP29 4.8 42.5 1.0
O B:ASP29 4.9 44.0 1.0
CA B:ASP29 5.0 44.3 1.0
N B:PRO33 5.0 47.6 1.0

Potassium binding site 3 out of 4 in 3tfz

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Potassium binding site 3 out of 4 in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128 within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K170

b:37.0
occ:1.00
 O E:ALA28 2.5 31.3 1.0
O E:THR34 2.6 35.5 1.0
O E:PHE31 2.9 32.1 1.0
O E:PRO32 3.0 38.0 1.0
C E:ALA28 3.6 30.6 1.0
C E:PRO32 3.6 38.3 1.0
C E:THR34 3.7 34.1 1.0
C E:PHE31 3.8 32.7 1.0
CA E:PRO32 3.8 37.5 1.0
N E:PRO32 4.1 35.0 1.0
CA E:ALA28 4.1 29.4 1.0
N E:THR34 4.1 32.4 1.0
CA E:THR34 4.4 31.7 1.0
N E:ASP29 4.7 30.7 1.0
N E:PRO33 4.7 37.4 1.0
N E:GLU35 4.7 35.5 1.0
C E:PRO33 4.7 36.4 1.0
O E:TYR27 4.7 27.0 1.0
N E:PHE31 4.8 30.6 1.0
OE2 E:GLU35 4.8 59.3 1.0
C E:ASP29 4.9 33.6 1.0
CA E:PHE31 4.9 31.2 1.0
CA E:GLU35 4.9 38.8 1.0
CA E:ASP29 4.9 33.6 1.0
CB E:THR34 4.9 30.9 1.0
O E:ASP29 5.0 34.1 1.0
CB E:ALA28 5.0 29.8 1.0

Potassium binding site 4 out of 4 in 3tfz

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Potassium binding site 4 out of 4 in the Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of Zhui Aromatase/Cyclase From Streptomcyes Sp. R1128 within 5.0Å range:
probe atom residue distance (Å) B Occ
F:K170

b:53.7
occ:1.00
 O F:ALA28 2.5 48.7 1.0
O F:THR34 2.6 49.1 1.0
O F:PHE31 3.0 49.1 1.0
O F:PRO32 3.1 54.9 1.0
C F:THR34 3.6 47.7 1.0
C F:ALA28 3.6 47.5 1.0
C F:PRO32 3.7 53.1 1.0
CA F:PRO32 3.8 52.8 1.0
C F:PHE31 3.9 48.5 1.0
N F:THR34 4.2 47.1 1.0
OE2 F:GLU35 4.3 65.7 1.0
CA F:ALA28 4.3 45.6 1.0
N F:PRO32 4.3 49.3 1.0
CA F:THR34 4.4 45.6 1.0
N F:GLU35 4.5 49.3 1.0
CA F:GLU35 4.6 51.6 1.0
CB F:THR34 4.7 42.6 1.0
N F:ASP29 4.7 47.9 1.0
N F:PRO33 4.8 51.0 1.0
C F:PRO33 4.8 50.5 1.0
O F:TYR27 4.9 41.8 1.0
CA F:PHE31 5.0 46.7 1.0

Reference:

B.D.Ames, M.Y.Lee, C.Moody, W.Zhang, Y.Tang, S.C.Tsai. Structural and Biochemical Characterization of Zhui Aromatase/Cyclase From the R1128 Polyketide Pathway. Biochemistry V. 50 8392 2011.
ISSN: ISSN 0006-2960
PubMed: 21870821
DOI: 10.1021/BI200593M
Page generated: Sat Aug 9 05:58:09 2025

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