Cryo-EM Structure of a RAD51 filament bound by ssDNA and the XRCC3-RAD51C-RAD51D-XRCC2 paralog complex

2026-06-17 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATABASE_REFERENCES citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update RCSB RCSB 2026-01-07 2026-04-01 2026-04-01 2026-06-17 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) United States Cryo-EM Structure of a RAD51 filament bound by ssDNA and the XRCC3-RAD51C-RAD51D-XRCC2 paralog complex Ruben EA Jia L Olsen SK Wasmuth EV Rawal Y Kwon Y Sung P Pentameric, RAD51, XRCC3, RAD51C, RAD51D, XRCC2, DNA BINDING PROTEIN-DNA complex Rawal Y Kwon Y Jia L Ruben EA Ji JH Guo L Stratton CM Nayak D Tovar M Fang Q Jamalruddin MA Zhou S Kuppa S Syed S Jasper AM Katz JN Rogers CM Kaur H Samentar L Zhao W Dray E Zhang F Stoilova-McPhie S Taylor AB Burma S Rao MK Libich DS Hromas R Mazin AV Jasin M Zhou D Bernstein KA Greene EC Wasmuth EV Sung P Olsen SK Structural insight into how RAD51 paralog exchange regulates RAD51 filament formation. Nat.Struct.Mol.Biol. US 33 768 781 2026 42020761 doi:10.1038/s41594-026-01796-6 1545-9985 9zzr FULLOVERLAP EMDB EMD-75014 associated EM volume

RAD51 filament bound by ssDNA and the XRCC3-RAD51C-RAD51D-XRCC2 paralog complex RAD51 filament bound by ssDNA and the XRCC3-RAD51C-RAD51D-XRCC2 paralog complex 0 3 4 5 6 7 1 Homo sapiens DNA repair protein RAD51 homolog 1 Homo sapiens 0.034464375 2 Escherichia coli LEVO PQPISRLEQCGINANDVKKLEEAGFHTVEAVAYAPKKELINIKGISEAKADKILAEAAKLVPMGFTTATEFHQRRSEIIQ ITTGSKELDKLLQGGIETGSITEMFGEFRTGKTQICHTLAVTCQLPIDRGGGEGKAMYIDTEGTFRPERLLAVAERYGLS GSDVLDNVAYARAFNTDHQTQLLYQASAMMVESRYALLIVDSATALYRTDYSGRGELSARQMHLARFLRMLLRLADEFGV AVVITNQVVAQVDGAAMFAADPKKPIGGNIIAHASTTRLYLRKGRGETRICKIYDSPCLPEAEAMFAINADGVGDA Q06609 DNA repair protein RAD51 homolog 1 Homo sapiens 0.034593555 4 Escherichia coli LEVO PQPISRLEQCGINANDVKKLEEAGFHTVEAVAYAPKKELINIKGISEAKADKILAEAAKLVPMGFTTATEFHQRRSEIIQ ITTGSKELDKLLQGGIETGSITEMFGEFRTGKTQICHTLAVTCQLPIDRGGGEGKAMYIDTEGTFRPERLLAVAERYGLS GSDVLDNVAYARAFNTDHQTQLLYQASAMMVESRYALLIVDSATALYRTDYSGRGELSARQMHLARFLRMLLRLADEFGV AVVITNQVVAQVDGAAMFAADPKKPIGGNIIAHASTTRLYLRKGRGETRICKIYDSPCLPEAEAMFAINADGVGDAK Q06609 DNA (5'-D(P*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3') synthetic construct 0.006951476999999999 1 (DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DT) (DT)(DT)(DT) DNA DNA repair protein XRCC2 Homo sapiens 0.029832062 1 Trichoplusia ni LEVO RSSLKEIEPNLFADEDSPVHGDILEFHGPEGTGKTEMLYHLTARCILPKSEGGLEVEVLFIDTDYHFDMLRLVTILEHRL SQSSEEIIKYCLGRFFLVYCSSSTHLLLTLYSLESMFCSHPSLCLLILDSLSAFYWIDRVNGGESVNLQESTLRKCSQCL EKLVNDYRLVLFATTQTIMQKASSSSEEPSHASRRLCDVDIDYRPYLCKAWQQLVKHRMFFSKQDDSQSSNQFSLVSRCL KSNSLKKHFFIIGESGVEFC O43543 DNA repair protein RAD51 homolog 4 Homo sapiens 0.033548671999999995 1 Trichoplusia ni LEVO GVLRVGLCPGLTEEMIQLLRSHRIKTVVDLVSADLEEVAQKCGLSYKALVALRRVLLAQFSAFPVNGADLYEELKTSTAI LSTGIGSLDKLLDAGLYTGEVTEIVGGPGSGKTQVCLCMAANVAHGLQQNVLYVDSNGGLTASRLLQLLQAKTQDEEEQA EALRRIQVVHAFDIFQMLDVLQELRGTVAQQVTGSSGTVKVVVVDSVTAVVSPLLGGQQREGLALMMQLARELKTLARDL GMAVVVTNHITRDRDSGRLKPALGRSWSFVPSTRILLDTIEGAGASGGRRMACLAKSSRQPTGFQEMVDIGTW O75771 DNA repair protein RAD51 homolog 3 Homo sapiens 0.038021883 1 Trichoplusia ni LEVO MQRDLVSFPLSPAVRVKLVSAGFQTAEELLEVKPSELSKEVGISKAEALETLQIIRRECLTNKPRYAGTSESHKKCTALE LLEQEHTQGFIITFCSALDDILGGGVPLMKTTEICGAPGVGKTQLCMQLAVDVQIPECFGGVAGEAVFIDTEGSFMVDRV VDLATACIQHLQLIAEKHKGEEHRKALEDFTLDNILSHIYYFRCRDYTELLAQVYLLPDFLSEHSKVRLVIVDGIAFPFR HDLDDLSLRTRLLNGLAQQMISLANNHRLAVILTNQMTTKIDRNQALLVPALGESWGHAATIRLIFHWDRKQRLATLYKS PSQKECTVLFQIKPQGFRD O43502 DNA repair protein XRCC3 Homo sapiens 0.037899781 1 Trichoplusia ni LEVO MDLDLLDLNPRIIAAIKKAKLKSVKEVLHFSGPDLKRLTNLSSPEVWHLLRTASLHLRGSSILTALQLHQQKERFPTQHQ RLSLGCPVLDALLRGGLPLDGITELAGRSSAGKTQLALQLCLAVQFPRQHGGLEAGAVYICTEDAFPHKRLQQLMAQQPR LRTDVPGELLQKLRFGSQIFIEHVADVDTLLECVNKKVPVLLSRGMARLVVIDSVAAPFRCEFDSQASAPRARHLQSLGA TLRELSSAFQSPVLCINQVTEAMEEQGAAHGPLGFWDERVSPALGITWANQLLVRLLADRLREEEAALGCPARTLRVLSA PHLPPSSCSYTISAEGVRGTPGTQSH O43542 DNA repair protein RAD51 homolog 1 Homo sapiens 0.034239133 1 Escherichia coli LEVO PISRLEQCGINANDVKKLEEAGFHTVEAVAYAPKKELINIKGISEAKADKILAEAAKLVPMGFTTATEFHQRRSEIIQIT TGSKELDKLLQGGIETGSITEMFGEFRTGKTQICHTLAVTCQLPIDRGGGEGKAMYIDTEGTFRPERLLAVAERYGLSGS DVLDNVAYARAFNTDHQTQLLYQASAMMVESRYALLIVDSATALYRTDYSGRGELSARQMHLARFLRMLLRLADEFGVAV VITNQVVAQVDGAAMFAADPKKPIGGNIIAHASTTRLYLRKGRGETRICKIYDSPCLPEAEAMFAINADGVGDA Q06609 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER 0.000506196 11 ANP singleParticle particle 7.5 ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.2 2.5 GATAN K3 (6k x 4k) 73.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 9OMZ 2.95 FSC 0.143 CUT-OFF cryoSPARC 123502 ANGULAR RECONSTITUTION ANGULAR RECONSTITUTION emd_75014.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 460 460 460 0 0 0 460 460 460 383.272 383.272 383.272 90.0 90.0 90.0 X Y Z -0.18624489 0.573368 -0.00037188924 0.013710529 0.8332 0.8332 0.8332 0.0635 AUTHOR ::::EMDATABANK.org::::EMD-75014:::: emd_75014_msk_1.map emd_75014_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 460 460 460 0 0 0 460 460 460 383.272 383.272 383.272 90.0 90.0 90.0 X Y Z -0.41763687 1.0081859 -0.00037188927 0.024875935 0.8332 0.8332 0.8332 AUTHOR ::::EMDATABANK.org::::EMD-75014:::: emd_75014_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 460 460 460 0 0 0 460 460 460 383.272 383.272 383.272 90.0 90.0 90.0 X Y Z -0.14090759 0.44972578 0.00016308554 0.019153334 0.8332 0.8332 0.8332 AUTHOR ::::EMDATABANK.org::::EMD-75014:::: emd_75014_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 460 460 460 0 0 0 460 460 460 383.272 383.272 383.272 90.0 90.0 90.0 X Y Z -0.16582382 0.44020498 0.0001639664 0.019155327 0.8332 0.8332 0.8332 AUTHOR ::::EMDATABANK.org::::EMD-75014::::