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Zinc in PDB 1l9u: Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution

Enzymatic activity of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution

All present enzymatic activity of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution:
2.7.7.6;

Protein crystallography data

The structure of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution, PDB code: 1l9u was solved by K.S.Murakami, S.Masuda, S.A.Darst, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 4.00
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 155.000, 271.200, 155.300, 90.00, 91.40, 90.00
R / Rfree (%) n/a / n/a

Other elements in 1l9u:

The structure of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms

Zinc Binding Sites:

The binding sites of Zinc atom in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution (pdb code 1l9u). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 4 binding sites of Zinc where determined in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution, PDB code: 1l9u:
Jump to Zinc binding site number: 1; 2; 3; 4;

Zinc binding site 1 out of 4 in 1l9u

Go back to Zinc Binding Sites List in 1l9u
Zinc binding site 1 out of 4 in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Zn2002

b:25.0
occ:1.00
CA D:CYS1194 4.3 25.0 1.0
CA D:CYS1112 4.8 25.0 1.0
C D:CYS1112 4.9 25.0 1.0
N D:CYS1112 4.9 25.0 1.0
CA D:CYS1201 4.9 25.0 1.0
C D:CYS1194 5.0 25.0 1.0

Zinc binding site 2 out of 4 in 1l9u

Go back to Zinc Binding Sites List in 1l9u
Zinc binding site 2 out of 4 in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Zn2003

b:25.0
occ:1.00
N D:GLY70 3.5 25.0 1.0
N D:GLU69 3.7 25.0 1.0
C D:GLY70 3.7 25.0 1.0
CA D:GLY70 3.9 25.0 1.0
CA D:ASP55 4.1 25.0 1.0
N D:ASP55 4.1 25.0 1.0
C D:GLU69 4.1 25.0 1.0
N D:GLU74 4.2 25.0 1.0
CA D:PHE68 4.3 25.0 1.0
C D:PHE68 4.4 25.0 1.0
CA D:GLU69 4.4 25.0 1.0
CA D:GLU74 4.6 25.0 1.0
C D:CYS73 4.7 25.0 1.0
N D:LYS71 4.9 25.0 1.0
CA D:CYS73 4.9 25.0 1.0

Zinc binding site 3 out of 4 in 1l9u

Go back to Zinc Binding Sites List in 1l9u
Zinc binding site 3 out of 4 in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 3 of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Zn3002

b:25.0
occ:1.00
CA M:CYS1194 4.3 25.0 1.0
CA M:CYS1112 4.8 25.0 1.0
C M:CYS1112 4.9 25.0 1.0
N M:CYS1112 4.9 25.0 1.0
CA M:CYS1201 4.9 25.0 1.0
C M:CYS1194 5.0 25.0 1.0

Zinc binding site 4 out of 4 in 1l9u

Go back to Zinc Binding Sites List in 1l9u
Zinc binding site 4 out of 4 in the Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 4 of Thermus Aquaticus Rna Polymerase Holoenzyme at 4 A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Zn3003

b:25.0
occ:1.00
N M:GLY70 3.5 25.0 1.0
N M:GLU69 3.7 25.0 1.0
C M:GLY70 3.7 25.0 1.0
CA M:GLY70 3.9 25.0 1.0
CA M:ASP55 4.1 25.0 1.0
N M:ASP55 4.1 25.0 1.0
C M:GLU69 4.1 25.0 1.0
N M:GLU74 4.2 25.0 1.0
CA M:PHE68 4.3 25.0 1.0
C M:PHE68 4.4 25.0 1.0
CA M:GLU69 4.4 25.0 1.0
CA M:GLU74 4.6 25.0 1.0
C M:CYS73 4.7 25.0 1.0
N M:LYS71 4.9 25.0 1.0
CA M:CYS73 4.9 25.0 1.0

Reference:

K.S.Murakami, S.Masuda, S.A.Darst. Structural Basis of Transcription Initiation: Rna Polymerase Holoenzyme at 4 A Resolution. Science V. 296 1280 2002.
ISSN: ISSN 0036-8075
PubMed: 12016306
DOI: 10.1126/SCIENCE.1069594
Page generated: Wed Dec 16 02:55:54 2020

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