2026-02-25 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2025-05-15 2026-02-25 2026-02-25 2026-02-25 Novo Nordisk Foundation NNF21OC0070452 Denmark Paranemic crossover triangle (PXT) with 2'-Fluoro-modified pyrimidines (FY RNA) Kristoffersen EL Andersen ES Zwergius NH Andersen ES origami, modified nucleic acids, XNA, RNA, crossover, tetra-loop, 2'fluoro Kristoffersen EL Zwergius NH Vallina NS Gluck N Stange A Desdorf L Civit L Geary C Kjems J Valero J Andersen ES Serum-stable RNA origami nanodevices To Be Published 0353 9r7q FULLOVERLAP EMDB EMD-53787 associated EM volume
Paranemic crossover triangle (PXT) with 2'-Fluoro-modified pyrimidines (FY RNA)
 Single-stranded PXT made of 2'fluoro modified pyrimidine RNA Single-stranded PXT made of 2'fluoro modified pyrimidine RNA 0 1
In vitro transcribed using mutant (Y639F) T7 RNA polymerase
synthetic construct DNA/RNA (238-MER) synthetic RNA 0.076642805 1 GGAA(UFT)A(UFT)(CFZ)G(UFT)(CFZ)A(UFT)GG(UFT)GA(UFT)(UFT)(CFZ)G(UFT)(CFZ)A(CFZ) (CFZ)A(UFT)GAGG(CFZ)(UFT)AGA(UFT)(CFZ)(UFT)(CFZ)A(UFT)A(UFT)(CFZ)(UFT)AG(CFZ)G (CFZ)(UFT)(UFT)(UFT)(CFZ)GAG(CFZ)G(CFZ)(UFT)AGAG(UFT)(CFZ)(CFZ)(UFT)(UFT)A(UFT) (CFZ)(UFT)AG(CFZ)(CFZ)GG(UFT)(UFT)(UFT)A(UFT)A(CFZ)(UFT)(UFT)(UFT)(CFZ)GAG(UFT)G (UFT)GAA(CFZ)(CFZ)(CFZ)GA(UFT)A(UFT)(UFT)(CFZ)(CFZ)G(CFZ)GGA(UFT)(CFZ)A(CFZ) (UFT)A(UFT)GAG(UFT)(CFZ)G(UFT)(UFT)(CFZ)G(CFZ)GG(CFZ)(UFT)(CFZ)A(UFT)AG(UFT) (CFZ)(CFZ)GG(CFZ)(UFT)(CFZ)AAAGGA(CFZ)A(UFT)(CFZ)A(UFT)GG(CFZ)(CFZ)(UFT)G(UFT) (UFT)(CFZ)G(CFZ)AGG(UFT)(UFT)G(UFT)GA(UFT)(UFT)A(UFT)GAG(UFT)GAG(CFZ)(CFZ)GGG (UFT)AAGG(CFZ)A(UFT)A(CFZ)(CFZ)G(UFT)(UFT)(CFZ)G(CFZ)GG(UFT)A(UFT)G(UFT)(CFZ) (UFT)(UFT)A(CFZ)GA(UFT)(CFZ)(CFZ)G(CFZ) singleParticle particle 7.5 40.0 HEPES 5.0 MgCl2 Magnesium Chloride 50.0 KCl Potassium Chloride Au-flat 1.2/1.3 GOLD 300 GLOW DISCHARGE OTHER 0.015
15 mA
 ETHANE 95 278 LEICA EM GP TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 50.0 2.7 0.8 1.8 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GIF Bioquantum 20 GATAN K3 BIOQUANTUM (6k x 4k) 1 4449 1.5 60.0 1 cryoSPARC PHASE FLIPPING AND AMPLITUDE CORRECTION 4.41 FSC 0.143 CUT-OFF cryoSPARC 434756 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_53787.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 258.80002 258.80002 258.80002 90.0 90.0 90.0 X Y Z -0.1005047 0.24808745 -0.00008133533 0.006175731 0.6470001 0.6470001 0.6470001 0.0655 AUTHOR cryo-EM map of 2-prime-fluoro-modified pyrimidine RNA Paranemic crossover triangle (PXT) origami structure. emd_53787_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 258.80002 258.80002 258.80002 90.0 90.0 90.0 X Y Z -0.08752137 0.19554096 0.00010714571 0.011886821 0.6470001 0.6470001 0.6470001 AUTHOR Half map B of 2-prime-fluoro-modified pyrimidine RNA Paranemic crossover triangle (PXT) origami structure emd_53787_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 400 400 400 0 0 0 400 400 400 258.80002 258.80002 258.80002 90.0 90.0 90.0 X Y Z -0.084160745 0.2016755 0.00010689569 0.011866262 0.6470001 0.6470001 0.6470001 AUTHOR Half map A of 2-prime-fluoro-modified pyrimidine RNA Paranemic crossover triangle (PXT) origami structure