Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

6CQI

2.42A Crystal structure of Mycobacterium tuberculosis Topoisomerase I in complex with an oligonucleotide MTS2-11

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA topoisomerase 1polymer70677843.51UniProt (P9WG49)
Pfam (PF01751)
Pfam (PF01131)
Pfam (PF13368)
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)DNA topoisomerase I,Omega-protein,Relaxing enzyme,Swivelase,Untwisting enzyme
2B
(B)
DNA (5'-D(P*TP*TP*CP*CP*GP*CP*TP*TP*GP*A)-3')polymer113300.21Mycobacterium tuberculosis
3C, D
(A)
FORMIC ACIDnon-polymer46.02Chemie (FMT)
4E
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
5F, G, H
(A)
ACETATE IONnon-polymer59.03Chemie (ACT)
6I, J
(A, B)
waterwater18.018Chemie (HOH)
Sequence modifications
A: 2 - 704 (UniProt: P9WG49)
PDBExternal DatabaseDetails
Ser -1-expression tag
Asn 0-expression tag
Ala 1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight81143.7
Non-Polymers*Number of molecules6
Total formula weight361.3
All*Total formula weight81504.9
*Water molecules are not included.

240971

PDB entries from 2025-08-27

PDB statisticsPDBj update infoContact PDBjnumon