6CQ2	Isomerase Dna	date	Mar 14, 2018
title	Crystal Structure Of Mycobacterium Tuberculosis Topoisomeras Complex With Oligonucleotide Mts2-12 And Magnesium
authors	N.Cao, A.Thirunavukkaraus, K.Tan, Y.C.Tse-Dinh
compound		source
Molecule: Dna Topoisomerase 1 Chain: A Synonym: Dna Topoisomerase I,Omega-Protein,Relaxing Enzyme, Untwisting Enzyme; Ec: 5.99.1.2 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis (Strain Atc H37rv); Organism_taxid: 83332 Strain: Atcc 25618 H37rv Gene: Topa, Rv3646c, Mtcy15c10.06 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-His6-Mocr Tev-Lic
Molecule: Dna (5'-D(Ptptpcpcpgpcptptpgpa)-3') Chain: B Engineered: Yes		Synthetic: Yes Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332
symmetry	Space Group: P 1 21 1	R_factor 0.189 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.625 44.683 128.866 90.00 90.61 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	MG, PO4	enzyme	Isomerase E.C.5.99.1.2 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Investigating mycobacterial topoisomerase I mechanism from the analysis of metal and DNA substrate interactions at the active site., Cao N, Tan K, Annamalai T, Joachimiak A, Tse-Dinh YC, Nucleic Acids Res. 2018 Jun 14. pii: 5037723. doi: 10.1093/nar/gky492. PMID:29905859

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (238 Kb) [Save to disk] Biological Unit Coordinates (6cq2.pdb1.gz) 232 Kb LPC: Ligand-Protein Contacts for 6CQ2 CSU: Contacts of Structural Units for 6CQ2 Structure Factors (408 Kb) Retrieve 6CQ2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6CQ2 from S2C, [Save to disk]

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [6cq2_A] [6cq2_B] SWISS-PROT database: Domain organization of by SWISSPFAM

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