A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 19-Sep-2018 number of released structures: 9779
Search for released structures

NDB ID: 6CQ2    PDB ID: 6CQ2 


Title:

CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS TOPOISOMERASE I IN COMPLEX WITH OLIGONUCLEOTIDE MTS2-12 AND MAGNESIUM

Molecular Description:

DNA topoisomerase 1/DNA Complex

Structural Keywords:

SMALL NA FRAGMENT

Nucleic Acid Sequence:

Click to show/hide 1 nucleic acid sequences

Protein Sequence:

Click to show/hide 1 protein sequences

Primary Citation:

Cao, N., Tan, K., Annamalai, T., Joachimiak, A., Tse-Dinh, Y.C.
Investigating mycobacterial topoisomerase I mechanism from the analysis of metal and DNA substrate interactions at the active site. 
Nucleic Acids Res., 46, pp. 7296 - 7308, 2018.

Experimental Information:

X-RAY DIFFRACTION

Space Group:

P 1 21 1

Cell Constants:

a = 67.625   b = 44.683   c = 128.866 (Ångstroms)

α = 90.0   β = 90.61   γ = 90.0 (degrees)

Refinement:

The structure was refined using the PHENIX program. The R value is 0.1916 for 15348 reflections in the resolution range 37.279 to 3.004 Ångstroms with Fobs >  1.35 sigma(Fobs) and with I >  0.0 sigma(I)