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Zinc in PDB 6x7q: Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa

Enzymatic activity of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa

All present enzymatic activity of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa:
2.3.1.28;

Protein crystallography data

The structure of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa, PDB code: 6x7q was solved by A.B.Benjamin, L.M.Stunkard, J.Ling, J.N.Nice, J.R.Lohman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 34.33 / 1.68
Space group P 42 21 2
Cell size a, b, c (Å), α, β, γ (°) 106.918, 106.918, 126.596, 90, 90, 90
R / Rfree (%) 15.7 / 20.1

Other elements in 6x7q:

The structure of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa also contains other interesting chemical elements:

Chlorine (Cl) 6 atoms

Zinc Binding Sites:

The binding sites of Zinc atom in the Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa (pdb code 6x7q). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa, PDB code: 6x7q:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 6x7q

Go back to Zinc Binding Sites List in 6x7q
Zinc binding site 1 out of 2 in the Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn302

b:14.8
occ:1.00
OE1 A:GLU18 2.0 16.7 1.0
ND1 A:HIS22 2.0 15.7 1.0
CD A:GLU18 2.8 16.0 1.0
OE2 A:GLU18 2.9 16.2 1.0
CG A:HIS22 3.0 15.5 1.0
CE1 A:HIS22 3.0 15.0 1.0
CB A:HIS22 3.3 14.0 1.0
NE2 A:HIS22 4.1 15.9 1.0
CD2 A:HIS22 4.1 14.7 1.0
O A:HOH506 4.2 26.9 1.0
CG A:GLU18 4.2 15.0 1.0
O A:HOH544 4.3 36.7 1.0
CA A:HIS22 4.8 14.3 1.0
O A:HOH526 4.8 25.6 1.0

Zinc binding site 2 out of 2 in 6x7q

Go back to Zinc Binding Sites List in 6x7q
Zinc binding site 2 out of 2 in the Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Zn304

b:17.9
occ:0.50
ND1 C:HIS22 2.0 16.8 1.0
OE1 C:GLU18 2.0 16.6 1.0
CD C:GLU18 2.7 16.1 1.0
OE2 C:GLU18 2.8 17.6 1.0
CG C:HIS22 3.0 17.1 1.0
CE1 C:HIS22 3.0 15.5 1.0
CB C:HIS22 3.3 16.2 1.0
CD2 C:HIS22 4.1 17.8 1.0
NE2 C:HIS22 4.1 18.9 1.0
CG C:GLU18 4.2 17.1 1.0
O C:HOH542 4.3 30.9 1.0
CA C:HIS22 4.8 15.9 1.0
O C:GLU18 4.9 14.8 1.0
O C:HOH526 5.0 30.7 1.0

Reference:

A.B.Benjamin, L.M.Stunkard, J.Ling, J.N.Nice, J.R.Lohman. Chloramphenicol Acetyltransferase Type III in Complex with Chloramphenicol and Acetyl-Oxa(Dethia)-Coa To Be Published.
Page generated: Mon Jul 12 16:41:07 2021

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