Zinc in PDB 1i6v: Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex

All present enzymatic activity of Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex:
2.7.7.6;

The structure of Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex, PDB code: 1i6v was solved by E.A.Campbell, N.Korzheva, A.Mustaev, K.Murakami, A.Goldfarb, S.A.Darst, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 3.30
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	199.450, 199.450, 289.130, 90.00, 90.00, 90.00
R / Rfree (%)	27.6 / 35.9

The structure of Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Zinc atom in the Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex (pdb code 1i6v). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex, PDB code: 1i6v:

Zinc binding site 1 out of 1 in the Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Thermus Aquaticus Core Rna Polymerase-Rifampicin Complex within 5.0Å range: probe atom residue distance (Å) B Occ D:Zn1601 b:76.3 occ:1.00 SG D:CYS1204 2.2 58.2 1.0 SG D:CYS1201 2.2 0.0 1.0 SG D:CYS1194 2.3 39.4 1.0 SG D:CYS1112 3.4 45.9 1.0 CB D:CYS1204 3.5 60.9 1.0 CB D:CYS1201 3.6 0.0 1.0 CB D:CYS1194 3.9 43.0 1.0 CA D:CYS1201 4.6 64.9 1.0 CA D:CYS1204 4.6 69.1 1.0 CA D:CYS1194 4.7 79.7 1.0 N D:CYS1204 4.7 73.7 1.0 N D:GLN1202 4.7 86.2 1.0 CB D:CYS1112 4.8 46.9 1.0 N D:CYS1112 4.8 74.5 1.0

E.A.Campbell, N.Korzheva, A.Mustaev, K.Murakami, S.Nair, A.Goldfarb, S.A.Darst. Structural Mechanism For Rifampicin Inhibition of Bacterial Rna Polymerase. Cell(Cambridge,Mass.) V. 104 901 2001.
ISSN: ISSN 0092-8674
PubMed: 11290327
DOI: 10.1016/S0092-8674(01)00286-0