2026-09-02 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update DATABASE_REFERENCES chem_comp_atom chem_comp_bond database_2 _database_2.pdbx_DOI _database_2.pdbx_database_accession REMEDIATION REPOSITORY Metalloprotein remediation STRUCTURE_SUMMARY em_admin pdbx_entry_details pdbx_nonpoly_atom_coordination pdbx_nonpoly_atom_coordination_sphere pdbx_nonpoly_atom_coordination_sphere_order pdbx_struct_conn_angle pdbx_validate_close_contact struct_conn _em_admin.last_update _pdbx_entry_details.has_protein_modification PDBe PDBe 2020-09-17 2021-02-03 2021-02-03 2026-09-02 Girbig M Misiaszek AD HUMAN, TRANSCRIPTION, SHORT RNAs Girbig M Misiaszek AD Vorlander MK Lafita A Grotsch H Baudin F Bateman A Muller CW Nat.Struct.Mol.Biol. US 28 210 219 2021 33558764 doi:10.1038/s41594-020-00555-5 1545-9985 EMD-11673 other EM volume

Cryo-EM structure of human apo RNA Polymerase III

EMD-11736 other EM volume

Cryo-EM structure of human RNA Polymerase III elongation complex 1

EMD-11738 other EM volume

Cryo-EM structure of human RNA Polymerase III elongation complex 3

7aea FULLOVERLAP EMDB EMD-11742 associated EM volume

Cryo-EM structure of human RNA Polymerase III elongation complex 2

EMDB EMD-11673 other EM volume

Cryo-EM structure of human apo RNA Polymerase III

EMDB EMD-11736 other EM volume

Cryo-EM structure of human RNA Polymerase III elongation complex 1

EMDB EMD-11738 other EM volume

Cryo-EM structure of human RNA Polymerase III elongation complex 3

Human RNA Polymerase III Elongation Complex Human RNA Polymerase III Elongation Complex 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 0.776 Human RNA Polymerase III Elongation Complex 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Homo sapiens HEK293F RNA, DNA 1 18 19 20 synthetic construct DNA-directed RNA polymerase III subunit RPC1 Homo sapiens 0.155860125 1 LEVO MVKEQFRETDVAKKISHICFGMKSPEEMRQQAHIQVVSKNLYSQDNQHAPLLYGVLDHRMGTSEKDRPCETCGKNLADCL GHYGYIDLELPCFHVGYFRAVIGILQMICKTCCHIMLSQEEKKQFLDYLKRPGLTYLQKRGLKKKISDKCRKKNICHHCG AFNGTVKKCGLLKIIHEKYKTNKKVVDPIVSNFLQSFETAIEHNKEVEPLLGRAQENLNPLVVLNLFKRIPAEDVPLLLM NPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISGAKTQMIMEDWDFLQLQCALY INSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKRVDFSGRTVISPDPNLRIDEVAVPVHVAKILTFPEKVNKAN INFLRKLVQNGPEVHPGANFIQQRHTQMKRFLKYGNREKMAQELKYGDIVERHLIDGDVVLFNRQPSLHKLSIMAHLARV KPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIAAIQDFLTGAYLLTLKDTFFD RAKACQIIASILVGKDEKIKVRLPPPTILKPVTLWTGKQIFSVILRPSDDNPVRANLRTKGKQYCGKGEDLCANDSYVTI QNSELMSGSMDKGTLGSGSKNNIFYILLRDWGQNEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLNAG YKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLTMALCGSKGSFINISQMIACVG QQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYSGLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLE DLCSQYDLTVRSSTGDIIQFIYGGDGLDPAAMEGKDEPLEFKRVLDNIKAVFPCPSEPALSKNELILTTESIMKKSEFLC CQDSFLQEIKKFIKGVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQVEKFLETCRDKYMRAQMEPGSAVGALCAQS IGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAISTPIITAQLDKDDDADYARLVKGRIEKTLLGEISEYIEEV FLPDDCFILVKLSLERIRLLRLEVNAETVRYSICTSKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQFLKEDLPKVV VQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTRTTSNNTYEVEKTLGIEAARTTIINEIQYTMVNHGM SIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLASFEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLF KLLHKADRDPNPPKRPLIFDTNEFHIPLVT O14802 2.7.7.6 DNA-directed RNA polymerase III subunit RPC2 Homo sapiens 0.127953891 1 LEVO MDVLAEEFGNLTPEQLAAPIPTVEEKWRLLPAFLKVKGLVKQHIDSFNYFINVEIKKIMKANEKVTSDADPMWYLKYLNI YVGLPDVEESFNVTRPVSPHECRLRDMTYSAPITVDIEYTRGSQRIIRNALPIGRMPIMLRSSNCVLTGKTPAEFAKLNE CPLDPGGYFIVKGVEKVILIQEQLSKNRIIVEADRKGAVGASVTSSTHEKKSRTNMAVKQGRFYLRHNTLSEDIPIVIIF KAMGVESDQEIVQMIGTEEHVMAAFGPSLEECQKAQIFTQMQALKYIGNKVRRQRMWGGGPKKTKIEEARELLASTILTH VPVKEFNFRAKCIYTAVMVRRVILAQGDNKVDDRDYYGNKRLELAGQLLSLLFEDLFKKFNSEMKKIADQVIPKQRAAQF DVVKHMRQDQITNGMVNAISTGNWSLKRFKMDRQGVTQVLSRLSYISALGMMTRISSQFEKTRKVSGPRSLQPSQWGMLC PSDTPEGEACGLVKNLALMTHITTDMEDGPIVKLASNLGVEDVNLLCGEELSYPNVFLVFLNGNILGVIRDHKKLVNTFR LMRRAGYINEFVSISTNLTDRCVYISSDGGRLCRPYIIVKKQKPAVTNKHMEELAQGYRNFEDFLHESLVEYLDVNEEND CNIALYEHTINKDTTHLEIEPFTLLGVCAGLIPYPHHNQSPRNTYQCAMGKQAMGTIGYNQRNRIDTLMYLLAYPQKPMV KTKTIELIEFEKLPAGQNATVAVMSYSGYDIEDALVLNKASLDRGFGRCLVYKNAKCTLKRYTNQTFDKVMGPMLDAATR KPIWRHEILDADGICSPGEKVENKQVLVNKSMPTVTQIPLEGSNVPQQPQYKDVPITYKGATDSYIEKVMISSNAEDAFL IKMLLRQTRRPEIGDKFSSRHGQKGVCGLIVPQEDMPFCDSGICPDIIMNPHGFPSRMTVGKLIELLAGKAGVLDGRFHY GTAFGGSKVKDVCEDLVRHGYNYLGKDYVTSGITGEPLEAYIYFGPVYYQKLKHMVLDKMHARARGPRAVLTRQPTEGRS RDGGLRLGEMERDCLIGYGASMLLLERLMISSDAFEVDVCGQCGLLGYSGWCHYCKSSCHVSSLRIPYACKLLFQELQSM NIIPRLKLSKYNE Q9NW08 2.7.7.6 DNA-directed RNA polymerases I and III subunit RPAC1 Homo sapiens 0.039301671999999996 1 LEVO MAASQAVEEMRSRVVLGEFGVRNVHTTDFPGNYSGYDDAWDQDRFEKNFRVDVVHMDENSLEFDMVGIDAAIANAFRRIL LAEVPTMAVEKVLVYNNTSIVQDEILAHRLGLIPIHADPRLFEYRNQGDEEGTEIDTLQFRLQVRCTRNPHAAKDSSDPN ELYVNHKVYTRHMTWIPLGNQADLFPEGTIRPVHDDILIAQLRPGQEIDLLMHCVKGIGKDHAKFSPVATASYRLLPDIT LLEPVEGEAAEELSRCFSPGVIEVQEVQGKKVARVANPRLDTFSREIFRNEKLKKVVRLARVRDHYIFSVESTGVLPPDV LVSEAIKVLMGKCRRFLDELDAVQMD O15160 DNA-directed RNA polymerase III subunit RPC9 Homo sapiens 0.01689399 1 LEVO MEVKDANSALLSNYEVFQLLTDLKEQRKESGKNKHSSGQQNLNTITYETLKYISKTPCRHQSPEIVREFLTALKSHKLTK AEKLQLLNHRPVTAVEIQLMVEESEERLTEEQIEALLHTVTSILPAEPEAEQKKNTNSNVAMDEEDPA O75575 DNA-directed RNA polymerases I, II, and III subunit RPABC1 Homo sapiens 0.024584223000000002 1 LEVO MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQSGDKPSEGRPRRTDLTVLVAHNDDPTDQMFVFFPEEP KVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVDMAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELL ARYKLRENQLPRIQAGDPVARYFGIKRGQVVKIIRPSETAGRYITYRLVQ P19388 DNA-directed RNA polymerases I, II, and III subunit RPABC2 Homo sapiens 0.014491025999999999 1 LEVO MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKYERARVLGTRALQIAMCAPVM VELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGVDELIITD P61218 DNA-directed RNA polymerase III subunit RPC8 Homo sapiens 0.022938846 1 LEVO MFVLVEMVDTVRIPPWQFERKLNDSIAEELNKKLANKVVYNVGLCICLFDITKLEDAYVFPGDGASHTKVHFRCVVFHPF LDEILIGKIKGCSPEGVHVSLGFFDDILIPPESLQQPAKFDEAEQVWVWEYETEEGAHDLYMDTGEEIRFRVVDESFVDT SPTGPSSADATTSSEELPKKEAPYTLVGSISEPGLGLLSWWTSN Q9Y535 DNA-directed RNA polymerases I, II, and III subunit RPABC3 Homo sapiens 0.017162273 1 LEVO MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVIASTLYEDGTLDDGEYNPTDD RPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGGLLMRLQGDANNLHGFEVDSRVYLLMKKLAF P52434 DNA-directed RNA polymerase III subunit RPC10 Homo sapiens 0.012354104 1 LEVO MLLFCPGCGNGLIVEEGQRCHRFSCNTCPYVHNITRKVTNRKYPKLKEVDDVLGGAAAWENVDSTAESCPKCEHPRAYFM QLQTRSADEPMTTFYKCCNAQCGHRWRD Q9Y2Y1 DNA-directed RNA polymerases I, II, and III subunit RPABC5 Homo sapiens 0.007655122999999999 1 LEVO MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLLNYAPLEK P62875 DNA-directed RNA polymerases I and III subunit RPAC2 Homo sapiens 0.015259222 1 LEVO MEEDQELERKISGLKTSMAEGERKTALEMVQAAGTDRHCVTFVLHEEDHTLGNSLRYMIMKNPEVEFCGYTTTHPSESKI NLRIQTRGTLPAVEPFQRGLNELMNVCQHVLDKFEASIKDYKDQKASRNESTF P0DPB6 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Homo sapiens 0.007018243999999999 1 LEVO MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR P53803 DNA-directed RNA polymerase III subunit RPC5 Homo sapiens 0.080004031 1 LEVO MANEEDDPVVQEIDVYLAKSLAEKLYLFQYPVRPASMTYDDIPHLSAKIKPKQQKVELEMAIDTLNPNYCRSKGEQIALN VDGACADETSTYSSKLMDKQTFCSSQTTSNTSRYAAALYRQGELHLTPLHGILQLRPSFSYLDKADAKHREREAANEAGD SSQDEAEDDVKQITVRFSRPESEQARQRRVQSYEFLQKKHAEEPWVHLHYYGLRDSRSEHERQYLLCPGSSGVENTELVK SPSEYLMMLMPPSQEEEKDKPVAPSNVLSMAQLRTLPLADQIKILMKNVKVMPFANLMSLLGPSIDSVAVLRGIQKVAML VQGNWVVKSDILYPKDSSSPHSGVPAEVLCRGRDFVMWKFTQSRWVVRKEVATVTKLCAEDVKDFLEHMAVVRINKGWEF ILPYDGEFIKKHPDVVQRQHMLWTGIQAKLEKVYNLVKETMPKKPDAQSGPAGLVCGDQRIQVAKTKAQQNHALLERELQ RRKEQLRVPAVPPGVRIKEEPVSEEGEEDEEQEAEEEPMDTSPSGLHSKLANGLPLGRAAGTDSFNGHPPQGCASTPVAR ELKAFVEATFQRQFVLTLSELKRLFNLHLASLPPGHTLFSGISDRMLQDTVLAAGCKQILVPFPPQTAASPDEQKVFALW ESGDMSDQHRQVLLEIFSKNYRVRRNMIQSRLTQECGEDLSKQEVDKVLKDCCVSYGGMWYLKGTVQS Q9NVU0 DNA-directed RNA polymerase III subunit RPC4 Homo sapiens 0.044471875 1 LEVO MSEGNAAGEPSTPGGPRPLLTGARGLIGRRPAPPLTPGRLPSIRSRDLTLGGVKKKTFTPNIISRKIKEEPKEEVTVKKE KRERDRDRQREGHGRGRGRPEVIQSHSIFEQGPAEMMKKKGNWDKTVDVSDMGPSHIINIKKEKRETDEETKQILRMLEK DDFLDDPGLRNDTRNMPVQLPLAHSGWLFKEENDEPDVKPWLAGPKEEDMEVDIPAVKVKEEPRDEEEEAKMKAPPKAAR KTPGLPKDVSVAELLRELSLTKEEELLFLQLPDTLPGQPPTQDIKPIKTEVQGEDGQVVLIKQEKDREAKLAENACTLAD LTEGQVGKLLIRKSGRVQLLLGKVTLDVTMGTACSFLQELVSVGLGDSRTGEMTVLGHVKHKLVCSPDFESLLDHKHR P05423 DNA-directed RNA polymerase III subunit RPC3 Homo sapiens 0.060692554999999995 1 LEVO MTQAEIKLCSLLLQEHFGEIVEKIGVHLIRTGSQPLRVIAHDTGTSLDQVKKALCVLVQHNLVSYQVHKRGVVEYEAQCS RVLRMLRYPRYIYTTKTLYSDTGELIVEELLLNGKLTMSAVVKKVADRLTETMEDGKTMDYAEVSNTFVRLADTHFVQRC PSVPTTENSDPGPPPPAPTLVINEKDMYLVPKLSLIGKGKRRRSSDEDAAGEPKAKRPKYTTDNKEPIPDDGIYWQANLD RFHQHFRDQAIVSAVANRMDQTSSEIVRTMLRMSEITTSSSAPFTQPLSSNEIFRSLPVGYNISKQVLDQYLTLLADDPL EFVGKSGDSGGGMYVINLHKALASLATATLESVVQERFGSRCARIFRLVLQKKHIEQKQVEDFAMIPAKEAKDMLYKMLS ENFMSLQEIPKTPDHAPSRTFYLYTVNILSAARMLLHRCYKSIANLIERRQFETKENKRLLEKSQRVEAIIASMQATGAE EAQLQEIEEMITAPERQQLETLKRNVNKLDASEIQVDETIFLLESYIECTMKRQ Q9BUI4 DNA-directed RNA polymerase III subunit RPC6 Homo sapiens 0.035726914 1 LEVO MAEVKVKVQPPDADPVEIENRIIELCHQFPHGITDQVIQNEMPHIEAQQRAVAINRLLSMGQLDLLRSNTGLLYRIKDSQ NAGKMKGSDNQEKLVYQIIEDAGNKGIWSRDIRYKSNLPLTEINKILKNLESKKLIKAVKSVAASKKKVYMLYNLQPDRS VTGGAWYSDQDFESEFVEVLNQQCFKFLQSKAETARESKQNPMIQRNSSFASSHEVWKYICELGISKVELSMEDIETILN TLIYDGKVEMTIIAAKEGTVGSVDGHMKLYRAVNPIIPPTGLVRAPCGLCPVFDDCHEGGEISPSNCIYMTEWLEF Q9H1D9 DNA-directed RNA polymerase III subunit RPC7 Homo sapiens 0.025953509999999996 1 LEVO MAGNKGRGRAAYTFNIEAVGFSKGEKLPDVVLKPPPLFPDTDYKPVPLKTGEGEEYMLALKQELRETMKRMPYFIETPEE RQDIERYSKRYMKVYKEEWIPDWRRLPREMMPRNKCKKAGPKPKKAKDAGKGTPLTNTEDVLKKMEELEKRGDGEKSDEE NEEKEGSKEKSKEGDDDDDDDAAEQEEYDEEEQEEENDYINSYFEDGDDFGADSDDNMDEATY O15318 RNA synthetic construct 0.006084712999999999 1 UAUGCAUAACGCCACAGAG Non-template DNA synthetic construct 0.014102053 1 (DC)(DG)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DT)(DG)(DC)(DC)(DA)(DT)(DG)(DT)(DT)(DA)(DA) (DC)(DG)(DG)(DA)(DC)(DT)(DA)(DG)(DT)(DC)(DC)(DA)(DG)(DC)(DT)(DC)(DC)(DA)(DC)(DT) (DT)(DA)(DA)(DA)(DA)(DC) DNA Template DNA synthetic construct 0.014254120999999998 1 (DG)(DT)(DT)(DT)(DT)(DA)(DA)(DG)(DT)(DG)(DG)(DA)(DG)(DC)(DT)(DG)(DG)(DA)(DT)(DG) (DC)(DT)(DC)(DT)(DG)(DT)(DG)(DG)(DC)(DT)(DC)(DA)(DT)(DG)(DG)(DC)(DA)(DA)(DC)(DG) (DA)(DC)(DC)(DA)(DC)(DG) DNA ZINC ION 6.5409e-05 7 ZN IRON/SULFUR CLUSTER 0.00035163999999999996 1 SF4 MAGNESIUM ION 2.4305e-05 1 MG singleParticle particle 2 7.5 15.0 HEPES 150.0 ammonium sulfate 5.0 magnesium chloride 10.0 DTT 4.0 CHAPSO ETHANE 100 277 FEI VITROBOT MARK IV

Wait time 10 s Blot force 4 Blot time 4 s.

FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 50.0 2.7 0.75 2.0 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K2 SUMMIT (4k x 4k) COUNTING 40.4 1 672400 Warp 1.0.6 RELION 3.1 PHASE FLIPPING AND AMPLITUDE CORRECTION

Initial model was generated in cryoSPARC

C1 3.4 FSC 0.143 CUT-OFF RELION 3.1 31737 MAXIMUM LIKELIHOOD RELION 3.1 MAXIMUM LIKELIHOOD RELION 3.1 emd_11742_msk_1.map emd_11742_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 336 336 336 0 0 0 336 336 336 352.8 352.8 352.8 90.0 90.0 90.0 X Y Z -0.12145493 5.7652555 0.009227118 0.10085244 1.05 1.05 1.05 AUTHOR ::::EMDATABANK.org::::EMD-11742:::: Cryo-EM map of human RNA Polymerase III, Elongation complex, EC-2 Pol III, map H,locally sharpened via LocalDeblur emd_11742_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 336 336 336 0 0 0 336 336 336 352.8 352.8 352.8 90.0 90.0 90.0 X Y Z -2.1222413 2.571946 0.004234857 0.28187478 1.05 1.05 1.05 AUTHOR ::::EMDATABANK.org::::EMD-11742:::: emd_11742_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 336 336 336 0 0 0 336 336 336 352.8 352.8 352.8 90.0 90.0 90.0 X Y Z -2.0803087 2.212073 0.0042696074 0.2827356 1.05 1.05 1.05 AUTHOR ::::EMDATABANK.org::::EMD-11742::::