2026-09-16 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2026-07-24 2026-09-16 2026-09-16 2026-09-16 Wellcome Trust 219639/Z/19/Z United Kingdom T. cruzi topoisomerase II alpha bound to dsDNA and the covalent inhibitor IID432 Schenk A Deniston C Topoisomerase, DNA binding protein, Topoisomerase inhibitor, ISOMERASE Saldivia M Jumani RS Thomas B Baxley GM Sancheti J Bullara D Galarneau JR Cheung H Chen YL DeAsis RS Patra D Rene O Noeske J Schenk AD Deniston C Thakore S Luu C Wartchow C Koester DC Francisco AF Blais J Jiricek J Hollingsworth SA Gable JE Kelly JM Hochberg N Knutson CG Lakshminarayana SB Sarko C Manjunatha UH Osborne CS Diagana TT Rao SPS IID432, a parasite-selective topoisomerase II inhibitor, achieves rapid single-dose parasite clearance in a murine chronic Chagas model. Proc.Natl.Acad.Sci.USA US 123 e2620085123 e2620085123 2026 42715074 doi:10.1073/pnas.2620085123 1091-6490 0040 PNASA6 32to FULLOVERLAP EMDB EMD-59152 associated EM volume
T. cruzi topoisomerase II alpha bound to dsDNA and the covalent inhibitor IID432
 Topoisomerase II alpha bound to cleaved dsDNA and inhibitor IID432 Topoisomerase II alpha bound to cleaved dsDNA and inhibitor IID432 0 1 2 3 Trypanosoma cruzi DNA topoisomerase 2 Trypanosoma cruzi 0.08932243799999999 2 Spodoptera frugiperda LEVO GRNADRKQILGIPKLDDANEAGGKYSHRCTLILTEGDSAKALCTAGLAVKDRDYFGVFPLRGKPLNVRDATLKKVMACAE FQAVSKIMGLDIRQKYSGVERLRYGHLMIMSDQDHDGSHIKGLIINMIHHYWPDLIKTPGFLQQFITPIVKARKKGRSDG DDRAISFFSMPDYFEWKNAIGDGIRNYEIRYYKGLGTSGAKEGREYFENIDRHRLDFVHEDATDDARIVMAFAKDKVEER KHWITQFKANTNVNESMNYNVRTVRYSEFVDKELILFSVADCERSIPSVIDGLKPGQRKIIFSSFKRRLTRSIKVVQLAG YVSEHAAYHHGEQSLVQTIVGLAQNFVGSNNVPLLQQDGQFGTRLQGGKDHAAGRYIFTRLTNIARYIYHPSDDFVVDYK DDDGLSVEPFYYVPVIPMVLVNGTSGIGTGFATNIPNYSPLEVIDNLMRLLRGEEVQPMKPWYFGFAGTIEEKEKGKFVS TGCANVRPDGVVQITELPIGTWTQGYKKFLEELREKEVVVQYREHNTDVTVDFEVFLHPEVLHHWVAQGCVEERLQLREY IHATNIIAFDREGQITKYRDAEAVLKEFYLVRLEYYAKRRDFLIGDLRSVASKLENMVRFVTEVVDGRLIVTRRRKKELL EELRQRGYAPFPLQQKKKVSSTTIQQGEEEGAADATHATAEDVFLVLQPAVDEGGDEDNQETPEMRRAARDYDYLLGMRL WNLTAEMIARLQSQLQKARDELAALEKRTPKDLWAEDLNQLRPRIENLFEERAKEIASI Q4DE53 5.6.2.2 DNA (16-Mer) Escherichia coli 0.00482414 2 (DA)(DG)(DC)(DT)(DC)(DA)(DT)(DT)(DG)(DT)(DT)(DA)(DT)(DC)(DC)(DC) DNA DNA (12-Mer) Escherichia coli 0.003735467 2 (DG)(DG)(DG)(DA)(DT)(DA)(DA)(DC)(DA)(DA)(DT)(DG) DNA MAGNESIUM ION 2.4305e-05 2 MG 2-(3-cyano-1,2,4-triazol-1-yl)-~{N}-[(3~{S})-1-(2-methylquinolin-6-yl)pyrrolidin-3-yl]ethanamide 0.00036139999999999995 2 A1KFP singleParticle particle 7.3 20.0 HEPES 100.0 KCl potassium chloride 3.0 MgCl2 magnesium chloride ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.6 2.0 FEI FALCON IV (4k x 4k) 50.0 1
Untilted and tilted data merged
PHASE FLIPPING AND AMPLITUDE CORRECTION Initial model generated using ab-inito reconstruction in cryoSPARC 2.77 FSC 0.143 CUT-OFF cryoSPARC 398902 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_59152.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 216.32 216.32 216.32 90.0 90.0 90.0 X Y Z -1.4528972 2.3998868 -0.000114841554 0.07909967 0.845 0.845 0.845 0.3 AUTHOR emd_59152_msk_1.map emd_59152_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 216.32 216.32 216.32 90.0 90.0 90.0 X Y Z -0.30683044 0.7804982 -0.00011484153 0.033774916 0.845 0.845 0.845 AUTHOR emd_59152_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 216.32 216.32 216.32 90.0 90.0 90.0 X Y Z -0.3683604 0.81574905 0.0012131317 0.043826964 0.845 0.845 0.845 AUTHOR emd_59152_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 216.32 216.32 216.32 90.0 90.0 90.0 X Y Z -0.3572364 0.8101016 0.0012092702 0.043836266 0.845 0.845 0.845 AUTHOR