9E23: Pre-Chi dynein tail

Cryo-EM structure of Pre-Chi dynein tail. Determined by electron microscopy at 6.2 Å resolution. Released 9 Jul 2025.

Method
Electron microscopy
Resolution
6.2 Å
Organism
Homo sapiens
Chains
16
Atoms
21,249
Mol. weight
2666.18 kDa
Released
9 Jul 2025

Explore 9E23 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9E23 contains 174 α-helices and 153 β-strands across 16 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 9 helices, 5 β-strands

ElementResiduesLengthSheet
α-helix28-4114
α-helix50-578
α-helix59-7012
β-strand78-80340
β-strand84141
β-strand98141
β-strand115-119540
α-helix132-1343
β-strand136-139440
α-helix140-1412
α-helix145-1528
α-helix153-1575
α-helix158-16710
α-helix179-19719
Chain B: 17 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix28-4720
β-strand54-59625
α-helix61-622
α-helix68-747
β-strand87-89325
β-strand104-108525
α-helix113-1153
α-helix116-1227
β-strand133-134225
α-helix142-16322
α-helix167-18216
β-strand227-228226
α-helix234-2363
α-helix237-2382
α-helix239-2435
α-helix248-26518
β-strand267-268226
α-helix280-29011
α-helix298-3003
β-strand301127
β-strand309127
α-helix317-3237
α-helix324-3263
α-helix356-3583
α-helix359-37214
Chain C: 16 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix28-4316
α-helix44-474
α-helix67-759
β-strand89-90228
β-strand93129
β-strand102129
β-strand105-106228
α-helix113-1153
α-helix118-1225
β-strand133130
α-helix142-16322
α-helix167-18317
β-strand227130
β-strand231131
α-helix237-2426
α-helix248-26518
β-strand270132
β-strand271131
α-helix280-2878
α-helix288-2925
α-helix299-3002
β-strand309132
α-helix310-3112
α-helix317-3248
α-helix336-3394
α-helix359-37214
Chain d: 2 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand13116
α-helix15-3117
α-helix35-4915
β-strand57117
β-strand59118
β-strand72116
β-strand78119
β-strand81119
β-strand84117
Chain D: 6 helices, 35 β-strands
ElementResiduesLengthSheet
α-helix185-1917
α-helix194-21118
α-helix228-2314
β-strand240-241245
β-strand245146
α-helix248-2514
β-strand254-261847
β-strand268-276947
β-strand285148
β-strand288-291447
β-strand305148
β-strand309-313549
β-strand321-326649
β-strand331-335549
β-strand345149
β-strand360-362350
β-strand371151
β-strand373-375350
β-strand380152
β-strand385151
β-strand397152
β-strand408-410353
β-strand420-425653
β-strand430-434553
β-strand441-442253
β-strand446153
β-strand453-457554
β-strand470-475654
β-strand479-484654
β-strand490-494554
β-strand503-506455
β-strand514-517455
β-strand522156
β-strand523-524255
β-strand540156
α-helix545-5473
β-strand552145
β-strand558-560345
β-strand568146
β-strand570-572345
α-helix582-60726
Chain e: 50 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix211-22313
α-helix225-2273
α-helix234-2374
α-helix239-26022
α-helix271-29323
α-helix295-30612
α-helix310-3189
α-helix322-3309
α-helix341-3466
α-helix350-36920
α-helix374-39926
α-helix401-4033
α-helix406-44035
α-helix457-47923
α-helix480-4845
α-helix514-53219
α-helix540-57435
α-helix578-58811
α-helix597-62428
α-helix631-6399
α-helix643-66927
α-helix673-6753
α-helix677-69216
α-helix696-70914
β-strand720-725633
β-strand728-735833
α-helix741-75616
α-helix762-79736
α-helix799-8057
α-helix806-82116
α-helix829-86537
α-helix871-89121
α-helix896-92631
α-helix975-99420
β-strand997134
α-helix9981
α-helix1001-10033
α-helix1009-10102
α-helix1014-10174
β-strand1018134
α-helix1021-10244
α-helix1031-105525
α-helix1058-10625
α-helix1065-10728
α-helix1076-109116
β-strand1101-1102235
β-strand1105-1106235
α-helix1109-115547
α-helix1163-119937
α-helix1203-12053
α-helix1211-126353
α-helix1272-130433
α-helix1314-134835
α-helix1356-137015
α-helix1375-13795
α-helix1381-140323
Chain E: 2 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix3-1210
β-strand22-2321
α-helix36-6025
β-strand6812
β-strand69-7133
β-strand78-8033
β-strand87-8821
Chain f: 48 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix211-22313
α-helix225-2262
α-helix229-2324
α-helix234-2374
α-helix239-26123
α-helix271-29323
α-helix295-30612
α-helix310-32011
α-helix322-33615
α-helix340-3467
α-helix350-36920
α-helix374-39926
α-helix406-44035
α-helix457-48428
α-helix514-53219
α-helix540-57435
α-helix578-58811
α-helix595-5973
α-helix598-62427
α-helix631-6388
α-helix643-66927
α-helix677-69216
α-helix695-70915
β-strand719-723536
α-helix724-7252
β-strand732-736536
α-helix741-75515
α-helix762-79736
α-helix799-8024
β-strand805137
α-helix806-82116
α-helix829-86537
α-helix871-89121
β-strand894137
α-helix896-92631
β-strand960138
β-strand961-962239
β-strand971-972239
α-helix975-99420
α-helix997-9993
α-helix1014-10174
α-helix1020-10234
α-helix1031-105626
α-helix1058-10614
α-helix1065-10728
α-helix1076-109217
β-strand1106138
α-helix1110-115546
α-helix1163-119937
α-helix1211-123020
α-helix1236-126429
α-helix1273-130432
α-helix1314-134734
α-helix1356-137116
α-helix1375-13795
α-helix1381-140323

8 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Dynein light chain roadblock-type 1E, Fprotein96Homo sapiensQ9NP97 (AlphaFold model)
Isoform 2C of Cytoplasmic dynein 1 intermediate chain 2D, H, g, hprotein612Homo sapiensQ13409 (AlphaFold model)
Dynein light chain 1, cytoplasmicd, iprotein89Homo sapiensP63167 (AlphaFold model)
Dynein light chain Tctex-type 1k, vprotein113Homo sapiensP63172 (AlphaFold model)
Cytoplasmic dynein 1 light intermediate chain 2B, Cprotein492Homo sapiensO43237
Cytoplasmic dynein 1 heavy chain 1A, G, e, fprotein4843Homo sapiensQ14204
Sequence of entity 1 (E, F), FASTA
>9E23_1 Dynein light chain roadblock-type 1 (chains E, F)
MAEVEETLKRLQSQKGVQGIIVVNTEGIPIKSTMDNPTTTQYASLMHSFILKARSTVRDI
DPQNDLTFLRIRSKKNEIMVAPDKDYFLIVIQNPTE
Sequence of entity 2 (D, H, g, h), FASTA
>9E23_2 Isoform 2C of Cytoplasmic dynein 1 intermediate chain 2 (chains D, H, g, h)
MSDKSELKAELERKKQRLAQIREEKKRKEEERKKKETDQKKEAVAPVQEESDLEKKRREA
EALLQSMGLTPESPIVPPPMSPSSKSVSTPSEAGSQDSGDGAVGSRRGPIKLGMAKITQV
DFPPREIVTYTKETQTPVMAQPKEDEEEDDDVVAPKPPIEPEEEKTLKKDEENDSKAPPH
ELTEEEKQQILHSEEFLSFFDHSTRIVERALSEQINIFFDYSGRDLEDKEGEIQAGAKLS
LNRQFFDERWSKHRVVSCLDWSSQYPELLVASYNNNEDAPHEPDGVALVWNMKYKKTTPE
YVFHCQSAVMSATFAKFHPNLVVGGTYSGQIVLWDNRSNKRTPVQRTPLSAAAHTHPVYC
VNVVGTQNAHNLISISTDGKICSWSLDMLSHPQDSMELVHKQSKAVAVTSMSFPVGDVNN
FVVGSEEGSVYTACRHGSKAGISEMFEGHQGPITGIHCHAAVGAVDFSHLFVTSSFDWTV
KLWSTKNNKPLYSFEDNAGYVYDVMWSPTHPALFACVDGMGRLDLWNLNNDTEVPTASIS
VEGNPALNRVRWTHSGREIAVGDSEGQIVIYDVGEQIAVPRNDEWARFGRTLAEINANRA
DAEEEAATRIPA
Sequence of entity 3 (d, i), FASTA
>9E23_3 Dynein light chain 1, cytoplasmic (chains d, i)
MCDRKAVIKNADMSEEMQQDSVECATQALEKYNIEKDIAAHIKKEFDKKYNPTWHCIVGR
NFGSYVTHETKHFIYFYLGQVAILLFKSG
Sequence of entity 4 (k, v), FASTA
>9E23_4 Dynein light chain Tctex-type 1 (chains k, v)
MEDYQAAEETAFVVDEVSNIVKEAIESAIGGNAYQHSKVNQWTTNVVEQTLSQLTKLGKP
FKYIVTCVIMQKNGAGLHTASSCFWDSSTDGSCTVRWENKTMYCIVSAFGLSI
Sequence of entity 5 (B, C), FASTA
>9E23_5 Cytoplasmic dynein 1 light intermediate chain 2 (chains B, C)
MAPVGVEKKLLLGPNGPAVAAAGDLTSEEEEGQSLWSSILSEVSTRARSKLPSGKNILVF
GEDGSGKTTLMTKLQGAEHGKKGRGLEYLYLSVHDEDRDDHTRCNVWILDGDLYHKGLLK
FAVSAESLPETLVIFVADMSRPWTVMESLQKWASVLREHIDKMKIPPEKMRELERKFVKD
FQDYMEPEEGCQGSPQRRGPLTSGSDEENVALPLGDNVLTHNLGIPVLVVCTKCDAVSVL
EKEHDYRDEHLDFIQSHLRRFCLQYGAALIYTSVKEEKNLDLLYKYIVHKTYGFHFTTPA
LVVEKDAVFIPAGWDNEKKIAILHENFTTVKPEDAYEDFIVKPPVRKLVHDKELAAEDEQ
VFLMKQQSLLAKQPATPTRASESPARGPSGSPRTQGRGGPASVPSSSPGTSVKKPDPNIK
NNAASEGVLASFFNSLLSKKTGSPGSPGAGGVQSTAKKSGQKTVLSNVQEELDRMTRKPD
SMVTNSSTENEA
Sequence of entity 6 (A, G, e, f), FASTA
>9E23_6 Cytoplasmic dynein 1 heavy chain 1 (chains A, G, e, f)
GDYDIPTTENLYFQGDKDCEMKRTTLDSPLGKLELSGCEQGLHRIIFLGKGTSAADAVEV
PAPAAVLGGPEPLMQATAWLNAYFHQPEAIEEFPVPALHHPVFQQESFTRQVLWKLLKVV
KFGEVISYSHLAALAGNPAATAAVKTALSGNPVPILIPCHRVVQGDLDVGGYEGGLAVKE
WLLAHEGHRLGKPGLGGSSEPGGGGGEDGSAGLEVSAVQNVADVSVLQKHLRKLVPLLLE
DGGEAPAALEAALEEKSALEQMRKFLSDPQVHTVLVERSTLKEDVGDEGEEEKEFISYNI
NIDIHYGVKSNSLAFIKRTPVIDADKPVSSQLRVLTLSEDSPYETLHSFISNAVAPFFKS
YIRESGKADRDGDKMAPSVEKKIAELEMGLLHLQQNIEIPEISLPIHPMITNVAKQCYER
GEKPKVTDFGDKVEDPTFLNQLQSGVNRWIREIQKVTKLDRDPASGTALQEISFWLNLER
ALYRIQEKRESPEVLLTLDILKHGKRFHATVSFDTDTGLKQALETVNDYNPLMKDFPLND
LLSATELDKIRQALVAIFTHLRKIRNTKYPIQRALRLVEAISRDLSSQLLKVLGTRKLMH
VAYEEFEKVMVACFEVFQTWDDEYEKLQVLLRDIVKRKREENLKMVWRINPAHRKLQARL
DQMRKFRRQHEQLRAVIVRVLRPQVTAVAQQNQGEVPEPQDMKVAEVLFDAADANAIEEV
NLAYENVKEVDGLDVSKEGTEAWEAAMKRYDERIDRVETRITARLRDQLGTAKNANEMFR
IFSRFNALFVRPHIRGAIREYQTQLIQRVKDDIESLHDKFKVQYPQSQACKMSHVRDLPP
VSGSIIWAKQIDRQLTAYMKRVEDVLGKGWENHVEGQKLKQDGDSFRMKLNTQEIFDDWA
RKVQQRNLGVSGRIFTIESTRVRGRTGNVLKLKVNFLPEIITLSKEVRNLKWLGFRVPLA
IVNKAHQANQLYPFAISLIESVRTYERTCEKVEERNTISLLVAGLKKEVQALIAEGIALV
WESYKLDPYVQRLAETVFNFQEKVDDLLIIEEKIDLEVRSLETCMYDHKTFSEILNRVQK
AVDDLNLHSYSNLPIWVNKLDMEIERILGVRLQAGLRAWTQVLLGQAEDKAEVDMDTDAP
QVSHKPGGEPKIKNVVHELRITNQVIYLNPPIEECRYKLYQEMFAWKMVVLSLPRIQSQR
YQVGVHYELTEEEKFYRNALTRMPDGPVALEESYSAVMGIVSEVEQYVKVWLQYQCLWDM
QAENIYNRLGEDLNKWQALLVQIRKARGTFDNAETKKEFGPVVIDYGKVQSKVNLKYDSW
HKEVLSKFGQMLGSNMTEFHSQISKSRQELEQHSVDTASTSDAVTFITYVQSLKRKIKQF
EKQVELYRNGQRLLEKQRFQFPPSWLYIDNIEGEWGAFNDIMRRKDSAIQQQVANLQMKI
VQEDRAVESRTTDLLTDWEKTKPVTGNLRPEEALQALTIYEGKFGRLKDDREKCAKAKEA
LELTDTGLLSGSEERVQVALEELQDLKGVWSELSKVWEQIDQMKEQPWVSVQPRKLRQNL
DALLNQLKSFPARLRQYASYEFVQRLLKGYMKINMLVIELKSEALKDRHWKQLMKRLHVN
WVVSELTLGQIWDVDLQKNEAIVKDVLLVAQGEMALEEFLKQIREVWNTYELDLVNYQNK
CRLIRGWDDLFNKVKEHINSVSAMKLSPYYKVFEEDALSWEDKLNRIMALFDVWIDVQRR
WVYLEGIFTGSADIKHLLPVETQRFQSISTEFLALMKKVSKSPLVMDVLNIQGVQRSLER
LADLLGKIQKALGEYLERERSSFPRFYFVGDEDLLEIIGNSKNVAKLQKHFKKMFAGVSS
IILNEDNSVVLGISSREGEEVMFKTPVSITEHPKINEWLTLVEKEMRVTLAKLLAESVTE
VEIFGKATSIDPNTYITWIDKYQAQLVVLSAQIAWSENVETALSSMGGGGDAAPLHSVLS
NVEVTLNVLADSVLMEQPPLRRRKLEHLITELVHQRDVTRSLIKSKIDNAKSFEWLSQMR
FYFDPKQTDVLQQLSIQMANAKFNYGFEYLGVQDKLVQTPLTDRCYLTMTQALEARLGGS
PFGPAGTGKTESVKALGHQLGRFVLVFNCDETFDFQAMGRIFVGLCQVGAWGCFDEFNRL
EERMLSAVSQQVQCIQEALREHSNPNYDKTSAPITCELLNKQVKVSPDMAIFITMNPGYA
GRSNLPDNLKKLFRSLAMTKPDRQLIAQVMLYSQGFRTAEVLANKIVPFFKLCDEQLSSQ
SHYDFGLRALKSVLVSAGNVKRERIQKIKREKEERGEAVDEGEIAENLPEQEILIQSVCE
TMVPKLVAEDIPLLFSLLSDVFPGVQYHRGEMTALREELKKVCQEMYLTYGDGEEVGGMW
VEKVLQLYQITQINHGLMMVGPSGSGKSMAWRVLLKALERLEGVEGVAHIIDPKAISKDH
LYGTLDPNTREWTDGLFTHVLRKIIDSVRGELQKRQWIVFDGDVDPEWVENLNSVLDDNK
LLTLPNGERLSLPPNVRIMFEVQDLKYATLATVSRCGMVWFSEDVLSTDMIFNNFLARLR
SIPLDEGEDEAQRRRKGKEDEGEEAASPMLQIQRDAATIMQPYFTSNGLVTKALEHAFQL
EHIMDLTRLRCLGSLFSMLHQACRNVAQYNANHPDFPMQIEQLERYIQRYLVYAILWSLS
GDSRLKMRAELGEYIRRITTVPLPTAPNIPIIDYEVSISGEWSPWQAKVPQIEVETHKVA
APDVVVPTLDTVRHEALLYTWLAEHKPLVLCGPPGSGKTMTLFSALRALPDMEVVGLNFS
SATTPELLLKTFDHYCEYRRTPNGVVLAPVQLGKWLVLFCDEINLPDMDKYGTQRVISFI
RQMVEHGGFYRTSDQTWVKLERIQFVGACNPPTDPGRKPLSHRFLRHVPVVYVDYPGPAS
LTQIYGTFNRAMLRLIPSLRTYAEPLTAAMVEFYTMSQERFTQDTQPHYIYSPREMTRWV
RGIFEALRPLETLPVEGLIRIWAHEALRLFQDRLVEDEERRWTDENIDTVALKHFPNIDR
EKAMSRPILYSNWLSKDYIPVDQEELRDYVKARLKVFYEEELDVPLVLFNEVLDHVLRID
RIFRQPQGHLLLIGVSGAGKTTLSRFVAWMNGLSVYQIKVHRKYTGEDFDEDLRTVLRRS
GCKNEKIAFIMDESNVLDSGFLERMNTLLANGEVPGLFEGDEYATLMTQCKEGAQKEGLM
LDSHEELYKWFTSQVIRNLHVVFTMNPSSEGLKDRAATSPALFNRCVLNWFGDWSTEALY
QVGKEFTSKMDLEKPNYIVPDYMPVVYDKLPQPPSHREAIVNSCVFVHQTLHQANARLAK
RGGRTMAITPRHYLDFINHYANLFHEKRSELEEQQMHLNVGLRKIKETVDQVEELRRDLR
IKSQELEVKNAAANDKLKKMVKDQQEAEKKKVMSQEIQEQLHKQQEVIADKQMSVKEDLD
KVEPAVIEAQNAVKSIKKQHLVEVRSMANPPAAVKLALESICLLLGESTTDWKQIRSIIM
RENFIPTIVNFSAEEISDAIREKMKKNYMSNPSYNYEIVNRASLACGPMVKWAIAQLNYA
DMLKRVEPLRNELQKLEDDAKDNQQKANEVEQMIRDLEASIARYKEEYAVLISEAQAIKA
DLAAVEAKVNRSTALLKSLSAERERWEKTSETFKNQMSTIAGDCLLSAAFIAYAGYFDQQ
MRQNLFTTWSHHLQQANIQFRTDIARTEYLSNADERLRWQASSLPADDLCTENAIMLKRF
NRYPLIIDPSGQATEFIMNEYKDRKITRTSFLDDAFRKNLESALRFGNPLLVQDVESYDP
VLNPVLNREVRRTGGRVLITLGDQDIDLSPSFVIFLSTRDPTVEFPPDLCSRVTFVNFTV
TRSSLQSQCLNEVLKAERPDVDEKRSDLLKLQGEFQLRLRQLEKSLLQALNEVKGRILDD
DTIITTLENLKREAAEVTRKVEETDIVMQEVETVSQQYLPLSTACSSIYFTMESLKQIHF
LYQYSLQFFLDIYHNVLYENPNLKGVTDHTQRLSIITKDLFQVAFNRVARGMLHQDHITF
AMLLARIKLKGTVGEPTYDAEFQHFLRGNEIVLSAGSTPRIQGLTVEQAEAVVRLSCLPA
FKDLIAKVQADEQFGIWLDSSSPEQTVPYLWSEETPATPIGQAIHRLLLIQAFRPDRLLA
MAHMFVSTNLGESFMSIMEQPLDLTHIVGTEVKPNTPVLMCSVPGYDASGHVEDLAAEQN
TQITSIAIGSAEGFNQADKAINTAVKSGRWVMLKNVHLAPGWLMQLEKKLHSLQPHACFR
LFLTMEINPKVPVNLLRAGRIFVFEPPPGVKANMLRTFSSIPVSRICKSPNERARLYFLL
AWFHAIIQERLRYAPLGWSKKYEFGESDLRSACDTVDTWLDDTAKGRQNISPDKIPWSAL
KTLMAQSIYGGRVDNEFDQRLLNTFLERLFTTRSFDSEFKLACKVDGHKDIQMPDGIRRE
EFVQWVELLPDTQTPSWLGLPNNAERVLLTTQGVDMISKMLKMQMLEDEDDLAYAETEKK
TRTDSTSDGRPAWMRTLHTTASNWLHLIPQTLSHLKRTVENIKDPLFRFFEREVKMGAKL
LQDVRQDLADVVQVCEGKKKQTNYLRTLINELVKGILPRSWSHYTVPAGMTVIQWVSDFS
ERIKQLQNISLAAASGGAKELKNIHVCLGGLFVPEAYITATRQYVAQANSWSLEELCLEV
NVTTSQGATLDACSFGVTGLKLQGATCNNNKLSLSNAISTALPLTQLRWVKQTNTEKKAS
VVTLPVYLNFTRADLIFTVDFEIATKEDPRSFYERGVAVLCTE

Primary citation

Cryo-EM captures early intermediate steps in dynein activation by LIS1. Nguyen, K.H.V., Karasmanis, E.P., Kendrick, A.A. et al. Nat Commun (2025) 16:7054-7054. DOI 10.1038/s41467-025-62185-z · PubMed

Other PDB entries of the same protein (UniProt Q9NP97 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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