2023-09-06 REL PDBe PDBe PDBe 2023-04-28 2023-08-30 2023-08-30 2023-09-06 UK Research and Innovation (UKRI) MC_UP_1201/19 United Kingdom European Molecular Biology Organization (EMBO) European Union Jane Coffin Childs (JCC) Fund United States Structure of TRF1core in complex with telomeric nucleosome (4:1 complex) Hu H van Roon AMM Ghanim GE Ahsan B Oluwole A Peak-Chew S Robinson CV Nguyen THD Telomeric nucleosome, shelterin, telomere, DNA BINDING PROTEIN Hu H van Roon AM Ghanim GE Ahsan B Oluwole AO Peak-Chew SY Robinson CV Nguyen THD Structural basis of telomeric nucleosome recognition by shelterin factor TRF1. Sci Adv US 9 eadi4148 eadi4148 2023 37624885 doi:10.1126/sciadv.adi4148 2375-2548 TRF1core in complex with telomeric nucleosome TRF1core in complex with telomeric nucleosome 0 1 2 3 4 5 6 7 Human telomeric nucleosome 1 1 2 3 4 5 6
Human telomeric nucleosome with 145 bp DNA and human histone octamer. 145 bp DNA consists of 23 copies of TTAGGG repeats. Histone octamer consists of 2 copies of H2A, H2B, H3 and H4
Homo sapiens Human TRF1core complex 1 7 Homo sapiens Human Histone H3 Homo sapiens Escherichia coli LEVO GPRGMARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIA QDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAKRVTIMPKDIQLARRIRGERA P68431 Human histone H4 Homo sapiens Escherichia coli LEVO GPRGMSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEH AKRKTVTAMDVVYALKRQGRTLYGFGG P62805 Human Histone H2A Homo sapiens Escherichia coli LEVO GPRGMSGRGKQGGKARAKAKSRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTAEILELAGNAARDNKK TRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPKKTESHHKAKGK Q93077 Human histone H2B Homo sapiens Escherichia coli LEVO GPRGMPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSVYVYKVLKQVHPDTGISSKAMGIMNSFVNDIFERIAG EASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSSK P62807 Telomeric DNA G strand Homo sapiens (DA)(DT)(DC)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG) (DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT) (DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA) (DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG) (DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT) (DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA) (DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG)(DG)(DT)(DT)(DA)(DG)(DG) (DG)(DT)(DG)(DA)(DT) DNA Telomeric DNA C strand Homo sapiens (DA)(DT)(DC)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT) (DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA) (DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC) (DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT) (DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA) (DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC) (DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT)(DA)(DA)(DC)(DC)(DC)(DT) (DA)(DA)(DG)(DA)(DT) DNA Human TRF1 protein Homo sapiens Spodoptera frugiperda LEVO MAEDVSSAAPSPRGCADGRDADPTEEQMAETERNDEEQFECQELLECQVQVGAPEEEEEEEEDAGLVAEAEAVAAGWMLD FLCLSLCRAFRDGRSEDFRRTRNSAEAIIHGLSSLTACQLRTIYICQFLTRIAAGKTLDAQFENDERITPLESALMIWGS IEKEHDKLHEEIQNLIKIQAIAVCMENGNFKEAEEVFERIFGDPNSHMPFKSKLLMIISQKDTFHSFFQHFSYNHMMEKI KSYVNYVLSEKSSTFLMKAAAKVVESKRTRTITSQDKPSGNDVEMETEANLDTRKSVSDKQSAVTESSEGTVSLLRSHKN LFLSKLQHGTQQQDLNKKERRVGTPQSTKKKKESRRATESRIPVSKSQPVTPEKHRARKRQAWLWEEDKNLRSGVRKYGE GNWSKILLHYKFNNRTSVMLKDRWRTMKKLKLISSDSED singleParticle particle 8.0 150.0 KCl Potassium chloride 25.0 C8H18N2O4S HEPES 1.0 MgCl2 Magnesium chloride 1.0 C3H8O3 glycerol 0.01 (C2H4O)nC14H22O Igepal CA-630 1.0 C4H10O2S2 Dithiothreitol
25 mM HEPES-KOH pH 8.0, 150 mM KCl, 1 mM MgCl2, 1% glycerol, 0.01% Igepal CA-630, 1 mM DTT
 C-flat-1.2/1.3 COPPER 300 CARBON HOLEY ETHANE 100 277.15 FEI VITROBOT MARK IV
Blot Force: -15 Blot Time: 2.5 s.
FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 50.0 2.7 1.0 2.5 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN 78.0 GIF Quantum LS 20 EPU 2.13.0.3175REL GATAN K3 (6k x 4k) 1 24566 2.25 56.0 1
All images were processed using RELION4.0
5031654 1 C1 6.67 FSC 0.143 CUT-OFF RELION 4.0 17033 MAXIMUM LIKELIHOOD RELION 4 MAXIMUM LIKELIHOOD RELION 4 RELION 4.0 emd_17253.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 420 420 420 0 0 0 420 420 420 346.91998 346.91998 346.91998 90.0 90.0 90.0 X Y Z -0.0022551045 0.008087287 -0.000051401963 0.00031197548 0.826 0.826 0.826 0.0014 AUTHOR Postprocess map of TRF1-TeloNCP 4:1 complex emd_17253_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 420 420 420 0 0 0 420 420 420 346.91998 346.91998 346.91998 90.0 90.0 90.0 X Y Z -0.0016207066 0.00747497 -0.00005139297 0.00030423762 0.826 0.826 0.826 AUTHOR Refine3D map of TRF1-TeloNCP 4:1 complex emd_17253_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 420 420 420 0 0 0 420 420 420 346.91998 346.91998 346.91998 90.0 90.0 90.0 X Y Z -0.018823398 0.019898875 -0.00005093441 0.0024152945 0.826 0.826 0.826 AUTHOR half map of TRF1-TeloNCP 4:1 complex emd_17253_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 420 420 420 0 0 0 420 420 420 346.91998 346.91998 346.91998 90.0 90.0 90.0 X Y Z -0.018729536 0.019975288 -0.000051869472 0.0023294485 0.826 0.826 0.826 AUTHOR half map of TRF1-TeloNCP 4:1 complex