2026-09-02 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY RCSB RCSB 2025-12-16 2026-09-02 2026-09-02 2026-09-02 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM102362 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM148476 United States National Science Foundation (NSF, United States) MCB-2419300 United States National Science Foundation (NSF, United States) MCB-1939086 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) 1R24GM154186 United States E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a trigger-loop-closed conformation Li Q Benner SA Wang D E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a trigger-loop-closed conformation, TRANSCRIPTION, TRANSCRIPTION-DNA-RNA complex Li Q Benner SA Wang D Structural Basis of Transcription of the Hachimoji Eight-Letter Alphabet by E. coli RNA Polymerase To Be Published 0353 9zp4 FULLOVERLAP EMDB EMD-74516 associated EM volume
E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a trigger-loop-closed conformation.
 E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a trigger-loop-closed conformation. E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a trigger-loop-closed conformation. 0 1 2 3 4 5 6 7 DNA-directed RNA polymerase subunit alpha Escherichia coli 0.025526039 2 Escherichia coli LEVO SVTEFLKPRLVDIEQVSSTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVEIDGVLHEYSTKEGVQEDILEILL NLKGLAVRVQGKDEVILTLNKSGIGPVTAADITHDGDVEIVKPQHVICHLTDENASISMRIKVQRGRGYVPASTRIHSEE DERPIGRLLVDACYSPVERIAYNVEAARVEQRTDLDKLVIEMETNGTIDPEEAIRRAATILAEQLEAFVDL P0A7Z4 2.7.7.6 DNA-directed RNA polymerase subunit beta Escherichia coli 0.150820875 1 Escherichia coli LEVO MVYSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAFRSVFPIQSYSGNSELQYVSYRLGEPVF DVQECQIRGVTYSAPLRVKLRLVIYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRSPGVFFDSD KGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRRKLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQME LVPERLRGETASFDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYIDESTGELICAANMELSLD LLAKLSQSGHKRIETLFTNDLDHGPYISETLRVDPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAV GRMKFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRIRSVGEMAENQFRVGLVRVERAVKERLS LGDLDTLMPQDMINAKPISAAVKEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHPTHYGRVCP IETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDEIHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKG ESSLFSRDQVDYMDVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTGMERAVAVDSGVTAVAKR GGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNLTKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNM RVAFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITADIPNVGEAALSKLDESGIVYIGAEVTGG DILVGKVTPKGETQLTPEEKLLRAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQLKQAKKDL SEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLTDEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGD DLAPGVLKIVKVYLAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLGVPSRMNIGQILETHLGMA AKGIGDKINAMLKQQQEVAKLREFIQRAYDLGADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLK LGDLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSLVTQQPLGGKAQFGGQRFGEMEVWALEA YGAAYTLQEMLTVKSDDVNGRTKMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELEDE P0A8V2 2.7.7.6 DNA-directed RNA polymerase subunit beta' Escherichia coli 0.15810567199999997 1 Escherichia coli LEVO MKDLLKFLKAQTKTEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFGPVKDYECLCGKYKRLKH RGVICEKCGVEVTQTKVRRERMGHIELASPTAHIWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQIL TEEQYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETKRKKLTKRIKLLEAFVQSGNKPEWMILT VLPVLPPDLRPLVPLDGGRFATSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRGRAITGSN KRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKM VEREEAVVWDILDEVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQMAVHVPLTLEAQLEA RALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDAN GELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILGLKPTVIFADQIMYTGFAYAARSGASVG IDDMVIPEKKHEIISEAEAEVAEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEKQVSFN SIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFREGLNVLQYFISTHGARKGLADTALKTANSGYLTRRL VDVAQDLVVTEDDCGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTLLHEQWCDLLEENSVDAV KVRSVVSCDTDFGVCAHCYGRDLARGHIINKGEAIGVIAAQSIGEPGTQLTMRTFHIGGAASRAAAESSIQVKNKGSIKL SNVKSVVNSSGKLVITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVITEVSGFVRFTDM IDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALKIVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDT LARIPQESGGTKDITGGLPRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFE GERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQV EYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAG TGYAYHQDRMRRRAAGEAPAAPQVTAEDASASLAELLNAGLGGSDNELELEVLFQGPSSGHHHHHHHHHH P0A8T7 2.7.7.6 DNA-directed RNA polymerase subunit omega Escherichia coli 0.008452570999999999 1 Escherichia coli LEVO MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQE P0A800 2.7.7.6 Non-template strand DNA Escherichia coli 0.0034072489999999998 1 (DT)(DC)(DA)(DG)(DC)(DG)(DA)(DG)(DA)(DG)(DA) DNA RNA Escherichia coli 0.002934831 1 AUCGAGAGG Template strand DNA Escherichia coli 0.0066742749999999995 1 (DT)(DC)(DT)(DC)(DT)(DC)(DG)(DC)(DT)(DG)(DA)(DZ)(DC)(DC)(DT)(DC)(DT)(DC)(DG)(DA) (DT)(DG) DNA ZINC ION 6.5409e-05 2 ZN MAGNESIUM ION 2.4305e-05 2 MG (5S)-2-amino-8-{5-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-ribofuranosyl}imidazo[1,2-a][1,3,5]triazin-4(8H)-one 0.0005231799999999999 1 A1C5A water 1.8015e-05 641 HOH singleParticle particle 7.5 ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.0 2.5 TFS FALCON 4i (4k x 4k) 30.0 1 NONE 8TXO 2.42 FSC 0.143 CUT-OFF cryoSPARC 115589 NOT APPLICABLE NOT APPLICABLE 1 NONE 8TXO 2.42 FSC 0.143 CUT-OFF cryoSPARC 115589 NOT APPLICABLE NOT APPLICABLE emd_74516.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 380.416 380.416 380.416 90.0 90.0 90.0 X Y Z -1.1413379 1.8267328 0.00048422028 0.037457865 0.743 0.743 0.743 0.15 AUTHOR E. coli RNA polymerase elongation complex incorporating with substrate PTP. emd_74516_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 380.416 380.416 380.416 90.0 90.0 90.0 X Y Z -0.44769925 0.7997956 0.0004573155 0.049516857 0.743 0.743 0.743 AUTHOR E. coli RNA polymerase elongation complex incorporating with substrate PTP. emd_74516_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 380.416 380.416 380.416 90.0 90.0 90.0 X Y Z -0.41821918 0.8103455 0.00045880186 0.04951 0.743 0.743 0.743 AUTHOR E. coli RNA polymerase elongation complex incorporating with substrate PTP.