9IJJ: Spermatogenesis-associated protein 4

In situ structure of the central apparatus in mouse sperm axoneme. Determined by electron microscopy at 7.7 Å resolution. Released 4 Jun 2025.

Method
Electron microscopy
Resolution
7.7 Å
Organism
Mus musculus
Chains
464
Atoms
1,637,265
Mol. weight
28871.57 kDa
Released
4 Jun 2025

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

Secondary structure: helices and β-sheets

9IJJ contains 8,700 α-helices and 5,676 β-strands across 461 chains. Residue ranges use sequence positions (label_seq_id) from RCSB, which can differ from the residue numbers in the file. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains 1a, 1N and 2D: 7 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix2-2120
α-helix21-3717
α-helix45-5511
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15617
Chains 1A, 1B, 1E, 1K, 1L, 1S, 1Y, 2G, 2O, 2R, 2U and 2V: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2120
α-helix21-3717
α-helix45-5511
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15718
Chains 1b, 1c, 1d, 1T, 1W, 1X, 1Z, 2A and 2F: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2019
α-helix21-3717
α-helix45-5511
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15718
Chains 1C, 1D, 2B, 2E, 2I, 2J, 2Q and 2T: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2120
α-helix21-3616
α-helix45-5511
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15718
Chains 1e, 1g, 1h and 1k: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2019
α-helix21-3717
α-helix45-5713
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix134-15724
Chain 1f: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2019
α-helix21-3717
α-helix45-5612
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix134-15724
Chains 1F and 2S: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2120
α-helix21-3717
α-helix45-5612
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15718
Chain 1G: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2120
α-helix21-3616
α-helix45-5612
α-helix59-8729
α-helix90-10415
α-helix126-1338
α-helix140-15718

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Spermatogenesis-associated protein 4W, X, Y, Z, a, bprotein295Mus musculusQ8K3V1 (AlphaFold model)
Kinesin-like protein KIF9c, d, e, f, gprotein790Mus musculusQ9WV04 (AlphaFold model)
Cilia- and flagella-associated protein 65h, i, jprotein1847Mus musculusQ3V0B4 (AlphaFold model)
Cilia- and flagella-associated protein 70k, l, m, n, o, pprotein1141Mus musculusD3YVL2 (AlphaFold model)
Protein FAM228Bq, r, sprotein232Mus musculusQ497Q6
Cilia- and flagella-associated protein 20t, uprotein193Mus musculusQ8BTU1
MYCBP-associated proteinv, wprotein932Mus musculusQ5SUV2
Cilia and flagella associated protein 46A, Bprotein2641Mus musculusE9Q2C0
Cilia- and flagella-associated protein 74C, D, Eprotein1578Mus musculusQ3UY96
Coiled-coil domain containing 180F, Gprotein1664Mus musculusJ3QNE4
Cilia- and flagella-associated protein 54H, Iprotein3106Mus musculusQ8C6S9
Cilia- and flagella-associated protein 221Lprotein836Mus musculusA9Q751

33 more molecules are not listed.

Sequence of entity 1 (W, X, Y, Z, a, b), FASTA
>9IJJ_1 Spermatogenesis-associated protein 4 (chains W, X, Y, Z, a, b)
MAAAGQAEECLPLPAAESSKTSLPTPPAVPAGKKPKKCLVYPHPPRSSRLSRSVLRWLQG
LDLSFFPRNVTRDFSNGYLVAEIFCIYYPWDLRLSSFENGTSLKVKLDNWAQIEKFLAKK
KFKLPKELIHGTIHCKAGVPEILIQEIYTLLTHQEIRSIQDDLANFTDYIYQMRLPLVPR
NTVSKSIKNNIRLSELLSNPNVLSNELKIEFLILLQMLQRKLSRKLNPGWFDVKPTVGEI
TIDRLPAHSYKRRYKSRGSKEKAAQPLSKSDNDGNARKEIHVKQSGNPCENTENL
Sequence of entity 2 (c, d, e, f, g), FASTA
>9IJJ_2 Kinesin-like protein KIF9 (chains c, d, e, f, g)
MGTRKKVQAFVRVRPTDDFAHEMIKYGEDNKSIDIHLKKDTRRGVVNNQQTDWSFKLDGV
LHNASQDLVYETVAKDAVSQALDGYNGTIMCYGQTGAGKTYTMTGATENYKHRGILPRAL
QQVFRMIEERPTHAITVRVSYLEIYNENLFDLLSTLPYVGPSVTPMTIVENPQGIFIKGL
SVHLTSQEEDAFSLLFEGETNRIIASHTMNKNSSRSHCIFTIYMEAHSRTLSDEKYITSK
INLVDLAGSERLSKTGSEGRVLKEATYINKSLSFLEQAIIALGDQNRDHVPFRQSKLTHA
LKDSLGGNCNMVLVTNIYGEAAQLDETLSSLRFASRMKLVTTEPAINEKYDAERMVKNLE
KELALLKQELAIHDSLSNRTLVNYDPMDEIQIAEINSQVRRYLEGTLDEIDIINLRQIQE
VFNQFRVVLSQQEQEVESALRRKYTLIDKNDFAAISAVQKVGLMDIEGNLVGEPDGQSFG
LGVAPFSVKPGKKPKTKKTPKDQFSSSARKEGASSPVSGKDFDVASISKTQLIPSSKDGD
LKDMLARERETSSIEPLISDSPKEELRAPRPSTPPSRTVAFEEFKNERGSEINRIFKENK
SILNERKKRASETTQRINAIKQEIDETKDALNFQKSLREKQGEYENKGLMIIDEEEFLLI
LKLKDLKKQYRNEYQELRDLRAEIQYCQRLVDQCRHRLLMEFDIWYNESFMIPEDVQVAL
KLGSSIRPGMVPISRIVCLGEDDQDRFSHLQQTVLPEGLDSITFYNAKVKTDQKHNYMKT
MVGLQQSHRK
Sequence of entity 3 (h, i, j), FASTA
>9IJJ_3 Cilia- and flagella-associated protein 65 (chains h, i, j)
MLIQKNQCHITRTRENCDCTMNTVNEDLCLSASTLGSSSVTTQLVDPLDRKICLIRRQND
VKKRVIWGIEVAEKLHWKGWELGKETTRTLVLKNLSLKTQKMKYRPPKTKFFFTIIPQPI
FLSPGITLTLPIVFRPLEAKEYTDQLWFEKEEGVFCVTLKATLPCYKLDCPSSLQLPMCA
LGDTVETWFCLNNVGDLPTFFTWEVPAPFQILPTTGLLEPGLGCKIKVTFEPLIAVIHEV
EALCWYGKGNKQKNSINIQAAAKCAQLLVSIKHKGLEDQDQEGFQKVVHFGYVSVGSVAE
RQIRLYNPSAVNAPFKIEMAEHVLTKDPSFSCSTSQGIVPPGEKKCLSLFFHPKTLDSRA
IDYFSIIPSGCATKTLLQVVGFCRGPDAVLQHSCVNFHWVKLGERREQTLWIENQSDCQA
HFQFDIDCQESVFSIRPAFGTLAGKTRMTLHCAYQPTHPIISFRRVACLIHHQDPLFLDL
IGTCHSDSIKPAILTPQHLTWYRTHLARGLTLYPPDILAAMLKEKKLERDEDGALILPIE
SLPMQELEDLPDQKYPNIPPMTEYFFDGTRDLAIFPPAVCLEPIDVDFGACPGPEAPNPV
PLCLRNYTKGKITVVWTGRSDCPFWVTPVTSDVPPLKSIALRLYFQPSSPNCLYAVELEA
FAVYKVLQCYSNIEEDCTVVPSWCLKVRARGHSYSPALEHHIPHYSLDSPQTFPAVSPGK
PSYRSLFLVNKGSMLMTFSLAPNSSSDITLRPSSGLIGPGAHQVFLISTYPKGTSWRQHI
FYLNFNFYPQYLKEVSMQSREEPLDLKLDTHKSIYFKPTWVGCSSTSNFTFHNPSRLPLQ
FEWRVSQEHQKVLAVQPSKGTIHPNENLTLTWIFSPLEEIKYLFRVGIWVWEARQSQKTK
PQATVHYRIRLVGMGVTGCLSAKPVELDFGNVLVNSQEVKPLVLLNDGNCTLYYRLVLEQ
HRPKGLHSDPCALEFDHSEGTMPPHSQDTIYLTARPKVRSQYSWTISYCLLSQRAPPTNS
MDGKKKALCHVSLAAAYPLLSVLDICSMGSTEGITRKHLWHLFSLDTLNSYLARDPTAKE
LTYKVPTRHSMSRTPPIFTPLKLDFNFGAAPHNALPSVVLLVLKNCGLVPLDWAFLFPSD
QQLDLDLWVEQEDLNSNELHQMRAEDNSLFSINPKTGSLNPGQEQMVEFTYRHLFVGTDR
LSVLFKVSHGREILLQFIGVTVKLEQKYVHFTSTIHQFIPVPIGDTLPPRQIYELYNGGS
VPVTYEVQVSVLSKVQEKNFDHPIFCCLNPKGDIQPGTTARILWIFSPIEAKTYTVEVPI
HIIGWNSAVVCFQGVGYDPCVMGDTAPFHSISSWDSSSISSRLMVPGQNVFLSQSHISLG
NIPVQSKCSRLFFLNNISKNETIVFTWKPRSLDFGEVTVSPMEGEVGPEEGAPILVTLKA
SVHASFYSIDLICKVYQRELMRQYHKELQEWNEEKARQEVEFTITDRKVKRRAYCAAHEP
PKKYKTLPPITNQPPLNRPATWNLKLAKKETSWPCPQPPVPGLLCLGLTARAHATDYYLA
NFFSEFPCHFLYRELPKKKSSKEESKSSEELPDKKGPVSRQKQQLLVDCLTSIIRGLLED
KNFHNAVDQNLVEQVPYFCQFWNEQSARFLAQKSSLYLVPILSLPPSYEGRKSKEQEEDL
FGKMPGGQEDDEEEEEDEEEAEEEEEEIEEEMSKDEEDIDKDAKMTWSGIKVTETSQHSL
QWQWQQDLKTIIKEETESDEKEAIGRLPAFANLQEAILENMIQNILVEASRGEVVLTSRP
RIIALPPVSMHRTDNLLQMSQGDVLCSGMQHPDCLLVSASSPSNMTT
Sequence of entity 4 (k, l, m, n, o, p), FASTA
>9IJJ_4 Cilia- and flagella-associated protein 70 (chains k, l, m, n, o, p)
MDQTSSTTKIVHITVTNGYDLKGFKGDTPVTFVRAEFNQTVLGDSSKVTVSPEGTAKYNF
TSNIDLSPDGGGALDDLAHKPLFLTVTEVLPKEKKQKDEKTLILGQAVVDLLPLLEGEES
FETTVPLHPVPGSPLETPLPGSKQCSLDVKVFVAEPLLTPAQVSASNLLKVTLEAAYSVP
ESFIPVGPQQNYMVGLQVPSVGEKDYTMIFKNGNLKLGGEKEPVPRPKKWPIANILAPGA
SNIPDEFIVGGPYEEEEGELNHPEDREFRNQAECTKKRIVWDLESRCFLHPFAVASFQKR
IADCRLWPVEITRVPLVVMPKAKPGKLEKIDDENQLSFHGVAYINMVPLLYPGVKKIRGA
FHVYPYLDGTVFEKTKCLFSLFRDTGHHLVQNNKAGGLNSPLSKPLSKNLKEEKPGKDKD
TEGRPRLGELQAPSIKSQSSDTPLESEAPLSHNLEGQQYIEAGTYIVLEIQLEKALVPKR
MPEELARRVKEMIPPRPPLTRRTGGAQKAVSDYHTQIKSISRAILNEYYRMFGKQGPKLE
SDIDNETMEERKCQLNYELNCSGKYFAFKEQLKHAVVKIVREKYLKTTAFESQEELQTFI
SELYVFLVDQMHVALNQAVPDDVPSSTSTIQTSSEQLRLFAFEAEVNEKFEIAAMYYEER
LVREPQNLENWLDYGAFCLLTEDNIKAQECFRKALSLNESHVDSLLLCGVLAILLENYEQ
AEIFFEDATCLEPTNVIAWTLLGLFYEIQNNDIRMEMAFHEAFKQLQARTLQTKLKSTVT
IENMEEGVKVEPSFGPWGVVQESTTAIKTEGLSGMRPQSSHQLSPHTNMELHPQPQGPNT
ALSSLDEFLEESPKAQSESQEPMATGQPLEPSLVQRSSNALLKELTSKKDISKCQDSSAF
SPPTQHVIAQPPVTIFMETIRFLMKVNAVQFVHRVLAHELLCPQGGPSCEYYLVLAQTHL
LKKDFAKTEEYLQQAAQMDYLNPNVWGVKGHLYFLSGNHAEAKECYERTISFVVDASEMH
FIFLRLGHIYLEEKEYENAKRTYMHACKRSPSCLTWLGLGIACYRLEELTEAEDALSEAN
ALNNCNAEVWAYLALVCLKVGRQLEAEQAYKYTIKLKLKDQALLEEIHTVQEMVGFGNPS
F
Sequence of entity 5 (q, r, s), FASTA
>9IJJ_5 Protein FAM228B (chains q, r, s)
MTTMKNRSQDDMVTGTLPKLKSSKEWLEPQSLSFMEALAKEDTDAAVQSILYRENYIMKE
LDKYLHHQDFLNTRRKEMLYKKWVERVADPLQKKIIEKVHSHKNIKKRRRQELDNFLKHS
NKKGNAFIEHYDPKEYDPFYMSKEDPNFLKVIMPPFRDPLKKAQYDQDDEKRTLLQCETG
KIYTMKEFKEIEKAQLHSRFPSISNSRQSMTPNGWLKVPMSYIESEFCKKSR
Sequence of entity 6 (t, u), FASTA
>9IJJ_6 Cilia- and flagella-associated protein 20 (chains t, u)
MFKNTFQSGFLSILYSIGSKPLQIWDKKVRNGHIKRITDNDIQSLVLEIEGTNVSTTYIT
CPADPKKTLGIKLPFLVMIIKNLKKYFTFEVQVLDDKNVRRRFRASNYQSTTRVKPFICT
MPMRLDDGWNQIQFNLSDFTRRAYGTNYIETLRVQIHANCRIRRVYFSDRLYSEDELPAE
FKLYLPVQNKAKQ
Sequence of entity 7 (v, w), FASTA
>9IJJ_7 MYCBP-associated protein (chains v, w)
MMKKITERQSPLKLLEKKRAKAPEQPTPPIQEEPEPVSNVLQGDDILALAIKKEDLRKQH
VPQFEETGEKPVVTQKFIIRKLKPKDSSKRVYHLVAHPATPDAATKPLDYSGPHDSFLSS
GQILPHQILGSLQDFKRIAVARGNTQLAKLIHIQPCLMTLISAKEEPKPKPPKEEERPSP
WAPPPQHNFLKNWRRHIALRKKQQEALSKHLKKPASELLMHTGESYRKIQEEREVIDRAL
PTQHDGKATSWFWSPLEYLGDEMTGLLMTKKKTQRGLVEPITHIRKPLSIQVETGLPAQK
DAWYRYTWDRSLFLIYRRKELQSIMAELDFSQQDIDGLEVVGHGKPFSSVTVEEHLPPEK
IQKSSSEDTVFLDSLTNLSDMVPMPILGPSLLFCGKPACWVRGSNPEDKKNIGIGVRLTF
ETLEGERTSSELTVVNNGTVAIWYNWRRRPHQDFFQDLKQNKTQRFYFNNREGVILPGET
KHFTFFFKSLNAGIFRESWEFGTHPTLLGGAVLQVTLHAISLTQDIFMDERKLLETKLAA
HEAITIAQSVLQDLLRGISTPERTPSPVDAYLTEEDLFNYRNPRLHYQHQVVQNLHQLWQ
QYRKAKATQKETPSLRTPVPLLLVEKASGSISPRNLVSEYSQLSPHQEMDTARKTRDFFL
SLKSSIGKKSVARKSIMEELLVEEGPDRETTQRPWALKSISPPKWNLCLEDFRQAVMTFP
EELQREDALIQLNKAAMELCQEQKPLQSDLLYQMCLQLWRDVIDSLVSQSLWLRNLLGLP
EKETVYLDLPDEQGQKSPPVTESKVTSGKAGKEDRRGGAQEKKQLGTKDKDDKRGSKTPG
KEDRPNSKKLKPKDDKKVVKSASRDRLLSEDPPPDSTAPSQEPIDPLVMEKYTQRLHAEV
YALLDNLVTDVMVLADELSSTKNVEESLRFCS
Sequence of entity 8 (A, B), FASTA
>9IJJ_8 Cilia and flagella associated protein 46 (chains A, B)
MDLIITQELARARNQQDATALRRAYELIKSANLGKSELDPTESFSPDLFVLCAEQALKMK
EPEISEDCIQMYFKVKAPITQFLGRAHLCRAQLCAPQSEENVEEFENCVTQYMKAINFAK
GEPRYYFLVFNASVLYWNMVRPFLKPGYHHLVIPSLSQIITVLNQTEEEDKEWRAELMLE
LLECYLQAGRKEDATKFCLTAAPFVRTQVPHKYRQMFSTMVRYEVLDDLMLREDKQQSII
LSITYHINSLKAKLDKNNLPENLEQILRKMYRDLSQYHDQHVPTIREEKILLLFELGRLC
LTLKNEPIASDCLQYLKKMETEDTGKLLEMEGLECELDALRLGSKLKMYLRGAVEEQLLI
IKRMDNILQRAIRLGNPTTIHVLCTAQWNICLPLLQHNLRHHLRKPLTNIAEILEKVDSL
MILLRCQVHMEMAYIEQDDDRVEPAIEHMQKAMRLDSLGIYRDKIKITYRRLQLGTMLYQ
SPDRPEDKATMAIEQAKKATPKDSARKKRAILVNAGLALAPDTFQIVLDSENESKVSIGK
IKGRFTYLCAKARHHILSVDKAAGHLRRLGYENDKDRIVIWAELAKVAWQQDVWDVCRTA
SRFCLLYDNVKAKRSTKLKRGRKKKVIEGSMSDWAPSDMAMHKQMPPDLLRKIAKVLFIS
AEATVHLLRSEGVQLNNQAIPPEDLSQHPAGYVPEPPESNSEWITYRTWIENLSQYAMNN
WMRAAEIGQELGESWIVQNAVVYVLNHNRHLILAGRQKELVESLFHFLSIIKIVGYTEDS
VMLVMLCNALARGLIMSWIPTQTPEKSKKNVRPTLVHGPLESSTLSDIRAAVEVCEFALN
LTNGNVPEDIVPTNVRQHLIATWVKAKQLLQQQIGQRLGTDEQSTNEDISSVTRVLVALE
MYSCNGLGLMDFTVPPLVQVVKMASECNWSDHLVELQTLTRLTHFAYMAHDHEVTMACSQ
NATQMGLKHLRSFEPSNAKLAAEMLCMVSCIQGRSIMENLKGRKQLRLAAAKAFVESARF
GGLANSNSLVMMAARHYWNTWLPLLSSPANRKKAKASLQRIISIINKTENKKQETDKTLP
LHQWPSADFQTGGTGPEIPFLPGAEDDLTLRAALYTLLFNSHADRNDWEMGLKVLDEAVQ
VLPRTAHRLLIFKHMVIVKAKLGQNFTMEIQKFKDEKESYLASMWYRLAQNSKTVCGELS
CYQNAIQALQKPENNWQKVDYIMEFSEWMYYKQFPLDDVFDHLDWAIEILLSMKPNEDAL
EPEPKKEGQASPAQSLTESTVPSNQTASLDQFRSVRQLEALARVHILRALMASPSASSYE
DDCLMAYSFFKHILQISLTEGVKLIPEKNLQAVSSQLLLTKKEKEKEKEKEKEREKKEKE
KKEKKEKKEEKKEEKKEEKKEEKEEKEEKKEEKKEEKKEKEEEKEKKEKEKKEKEKEKKE
KEKEREKEKVKDTKQISTSASNKPPDEIPTSIGEWASYSCSEDLLHVFKQDKSDCTINSS
SFQKPTYSLYYIDHLAKALQKMFLHELSIPILQLGVLIAEAVVESKSLADLYHLRLLQVC
SDLRLHYAATHHEEVIGQAYFGDMEQASCRKEIAFKKEKNKEPEMEDYLPTLHEQLTLSD
SVEVKALIAQDKILKINGETGKGLEGTSYPQLWLLKGEVLLELELHQPARLLLSEAQWAF
QELGDICSEAQSLLLLAELANKEKNHAQAMLMVERAQQLGGAEEFWYKSTLTLAEAILSS
EDRRKEISVCSLFQKLIDTFRALQNERPNRVSLLEFLIMELEARCVKLRIQFACNLTDEE
FNEHPFLLRELEDHLLEVEQNLIFGGYYKNYVDLKLDHAKIKRLCAQKEKDEEQKTAYYL
EMYSLSQKAVSEEEEVFHRIQALLSLHDLQNINSPVMRRLARLKLSLAETCLDLLQLVCK
EALDLQMEQGSFEKLLADFLQNTTDYTSIGLQWFFLKRTLPHLVLTQLESLQPLCVGCTD
IRAQLLILAGKALHLLYVQTDPVYPSFCWEEELLVGTKKDSLRSLETDTEDRSVETSSSA
VFKEAPKEQSRKAEGLKKRMVLARGFLAQTSEVLLQCIQTSLSNNLLDIVASASIEMVEC
IGILDPITTCQFLTLSQSCSTSEMMRKVLLTATKNTGSSQLAALLQLHQRLRQQDKMSTS
LFASVEQKLASSFRAWQSLCVTEQHFSILNEIPPVFRILFLQHSQDRSCLYGAAFERPKT
MPSPKGKLITVGGYCKVTRVATSPTAISDLLTSIQWFQRQTRVKEQALCTQSLSSILEHM
EDYLKPITPQLTFPESRNQMPTAVGDAGKNKGREKERKISLPSGQPDPEYLILIVDKFLL
ELPLEGLSMLNEVTSLSRDFSLQMLWNRLHKEEREGSMKKEVKSKDLKKKTPGKKALKSI
MTRIIPPECNLIDSDTIKFVVDPYEEARGTELMRPIEITQEILEKYRDTFTGRWMGHLGN
HNFPSQADWEQLLDSCRGFFFYGMETFLSHLEIERLVAMNLQECQMMILLDLTRSSHSQK
RTIESSEGQSASQRSLVKPIQTAILLSLVGVESIVDNQWPTLMQDNMLRATILWDNLLAI
GKPLGKTVRLIHKLCNEPGSQDEKPQVSKNEPLSELQPHHPESLTTALNWVLYGLPHQAI
V
Sequence of entity 9 (C, D, E), FASTA
>9IJJ_9 Cilia- and flagella-associated protein 74 (chains C, D, E)
MEEPTVQFSDEDLVDNFPPMDDERVQLEDLEFEVERPSEGLEDEGSHSSAKKESKGAEKM
RKSTTKDQVQAFHLRKSLNLLDKMHEEKDVFIQKTKGELHICRQRMDLLNKQQESLAAEI
ATEKEANNMAAIGRLQAASRRLQTELENEKDLQSKITAMLKDSENAMWHIEIQKGQFEDV
RKHHEAEAEARQRGLEVHSARQLQREREAMEKSEKNRLLRARKSLHTQKELGLRHQKLVE
DAQRNHRIAVKFLKASLGRVREREQKEEMESRTHMQRRMDAVLSLKNNITASRETLKKFQ
AWGQTRADLAKQKALTEKEVILSQGGDAFKYLFHQRRHQELEAQKRAFEEEQKLRKQEIV
NRILKEEAEEEQRKRRQHPLSKPINRRTLRDKTWQYISDFCEGKSVLTSQQERERELLLY
PKTVCVIKAISSESVQVDLGSISTEDEVLAEPDISGLWNKESYQVPKEDMERKPVGGSKM
EKDILARTMEQLRSGVVQKQVVSGREFKGRPFNSKPEVIHFKDFDIGKVYKKKITLINAT
YTINYCKLVGVEENLKDFIHIDFEPPGPMSAGMSCEVLVTFKPMINKDLEGNVSFLAQTG
SFSVPLKCSTKKCSLSLDKELIDFGTYVVGETTSRIITLTNVGGLGTKFKFLPDSEFYEM
DESQPAMKISSLFTCEEKIIYEKIMTSLSEQQLEVNDSSLVDLQSLKESEKQLDDPEVTT
AAVSAMTMIPSEEQAEITLGEVTEGEIGPFSSVKVPITFTPVIPGEVQTKFKVMFKNPQS
PPLYFRATGTAIDVPVWVPKATVDLKICMYDRLYQDSITVHTRSKAALRLKFEVCKELRG
HIELLPETGYIQAQSTYSVQLKFLPRQSLPEDARKYFDPASRVLEAPMTIRVADQIKPVR
FTVQAIVTTSDLEINPSEINFGYCTIYEAIRTEICLSNLSLLPQEFGFVGLPKYVDIQPN
DGFGTILPLETLHLDVIFQPIKAKEYKFELVCKSEINRCFKVSCQAVGVHPPLELSHYQI
KFSATSLYDTSVSTLYVINSHLSMNKMIHSLPRIGSEEAAPVGPTSFEFLLPPNSPITIS
PSVGTVLPGKRCLIQVAFQPVLPKEIIYKEASQILNKEIETKPVSQKEIVQRKELWKQSF
SVVRVHNRDRPTRVSTPQATELQRPVINSSSTEFQIAQATLSKAFQGKFNRFVIPCVVAS
GDIKDRKTAEPLSFSPHNTLYLELWCPAVAPFIVVTSHKGKTDFNFGDIAVGHRSVKKIT
LQNICNEDLTLEYSVLNPNGPFVRLNPFNKLRSGETQTLVLSFSPHENILAQETLDIITK
RGTLSLTLFGMGVASMITCSIDGNILNMGYVLARESVSTNFKLQNESSLPIKFWVRLESL
SRKKAEAHQQLPKFITSHEQRAEIVGTQNYNGQSVFSIVPVEGLMFPGKAQEFTVTFSPD
HESLFFSDLLKVVLFEKKVSHQILLKGAAREHMMFVEGGDPLDVPVESLAVVTAFDTEHK
EEAEELKPILVTLNYVQLDTDTTTSPATRELQVGCIRTTQPSPRRPDHPLMVSTLLQLRG
DVKETYKVTFVAHVVTGL
Sequence of entity 10 (F, G), FASTA
>9IJJ_10 Coiled-coil domain containing 180 (chains F, G)
MREPPGLERRGIGPAVKMSPVGKVSQVQNGKVYQQIFQAQVQLVQSLAATRKQAAERSET
QKNVKTPMMKKVPLPEGETMTPRQRKWVRSLPNDWVTENPVLYREKEEARKEKERLTDDM
IASQEVQGLMDNIVPQLTERVSNLQEQEEFKKRKYLSALASFQEELEQIGVEMEPLILEK
GDLLLRKISKSDEDVDMLFKKVEGEPDLESHTIETLLELWEKVAERFMQQKQEIKELDEE
LLALEVSRADKLKEVLKRYVGIIEKTSYILQPDVYRLIDKEAMAMNQALLGNRRAIAQLL
VNLTESTLQQELDNRHRWQGLVDTWKALKKEALIQSFSEFMASEEIQEPPEVKKKLEEMQ
KNQEMLQSVRLDHLCTLCDLLPPNYNKTQLTEWYDSLTSLNKQLDTYHMDCMSLVHFLYE
KIWQQCLSHVQECKQQLLNWKAFSEAEAESLVNPTFFLMVGEFQSKVEKQLELLDNSFED
LARETEWQSSDLFRYFQEAVKLWEGHQSVLMTQELELEKRIEQHRQKHNQENQNQETLLD
KLLDQLRQQSQEESLKAHMEKARTFLKNMKSRYECFHLLLTKEVMEYPGLVLKELNCYSF
TLSRHFFIREIFEQNLSGEVIFKFRQPETHEKLFIQKIRKMKKKQRKRKGEESIGQDLGS
EKPTESMKEEGSGESEPSTAGEALNQENKSPQSDRVSEPRDGPSQEAEETLGVRETSSET
SQDRENLKVQEEKEEIEEEEEEEEEEEEEEIKEERVEEEEKEEEEEEEEEIKEDEEEEDE
YENEDVLEYYQETYFMGQAESREESDEIPYEEMEFFTTTSGNTYFAFLSVEDEQQIHSRP
HSHHNLLNSFCTKYIEQVSIPQKLILKVKKGLRAGFFEHLEKWFDQCVLNARIIVASKVD
ELDSELELRLHLHKPRLEQVEKDIHNVRAAELLLHQERLDSHCAGVIETLKKERLMFCQF
QEEQAVRSRNFRRKIYDMEHIFLNATRSQKLVSLTKTLHRELLSYVDVIQVSLRSFRQYL
EESLGKLRYTNIDFVKHCRLFSEGGNFSPEEVETLCHRLEKEATRIEFVESLIMIHMEKM
ETEYLDQANDVINKFESKFHNLSSDLIFVEKIQRLMTNLQVNIKCQEAKSNSQAEGLNSS
LEQLQQKIQTCQDHRGDKDIVTTDDLLAFVRSWKEKLSQRIKYLNCSLDMVSITQEVFTD
TILADTEVESDMHMSMEALEEDVKVGLVTPESFAQPTRMGRPMIEDPAVDVVRRILQISQ
AKSTCPCDKDRSQTALKRRYRAEKALKKALASASVTSAGSMTRHPKYIRVDKKYQVLGEK
PTSQAEDFKGIILNLLWESNEHLMVVVEDFYRKEKRPVTRPECMYESFDQCADHISRKIL
EYHRQADEYHNSCLLELRAQVRRFEELLPQVCWLVTENYKEQHWGKFCASLKEVQEQFEQ
QQKQLELEKDENARKLHPNLGHPTYISQMESLQMAEELRQQELNRMIHENQEKMEEFAKK
YARFFISNLASFTERFLMQLDEVITIDDIQVPRSEPPKQKVSILIRRKLAMLSLEEESEK
PLIERGSRKWPGIKPNEITIQNKILTRRTPSITTNKTTLGHLAAIEARDAVYLKYLALFD
KELKGIQDHFRKLLLESQRWKESWKRSLSTIQTLYSTCSPLQLK
Sequence of entity 11 (H, I), FASTA
>9IJJ_11 Cilia- and flagella-associated protein 54 (chains H, I)
MASSRSSSSSSEESPDSETSVSPVHLPPTPPPTSTAVLKSPSESKSSSTDPPQCTHSEDS
LPSAAFYGPLDSKNPLLASCEKEIRELLGFMKKKKALATSMEQKYEFHRRCATTLFNIWT
KYAPRLPSNYYNEKLLKVGDSLCQIKEYKLALLQCYGRYLQEFIADFDEHKEDVNHFKTV
FFPKGFGDETARLTFHALSGKNICNYQLVCESDANLQNEESVRQCLHILSSFRLIMQVAL
PQEHLCWIIFNGTLYIYTICRKLMVIGQSSKALEFLLWASMCMESSVPLLSIRYLTWRAT
LYTAVCQCHYDCQDGIHGEAFARRALAKIDELRQLELMSSSSSLETSRKYYREATIKMAV
MIFKRGVFESRRKNKNVLRPKLRLNLKEAQSLPWPRTVTERLLDELLDSTSSRFLAVLEA
LSDSNRRILQTGPLVTDEMELRDVVSELFMAGKELLILSNVRSNGKLDFPQTSLLEHVVE
KRNALSVGASVRFAKLAFTYEEWGLFESLAGQLIHFLQKQDNPQSKKAEKDLILLLAVEP
LINVKRNRGLIFPLETDKETQSIENYLKHIACHESCMRTTFTEDTFSLAAILHFCVCVPT
QGVLPDKDIVVDIIGLLWQRCKLGIQRLNIPKNDFAKYSHKISTNKWVYLLWQISEVIHC
YKLEDLDIVMVAEITLRLSEILESLGSPKRKFKKSADLSAKKGPDELPGTSKGVPEILPI
LKRAPVEQLFYAYELLDKAIIGMSWKCMLTTLSDGSSVIDHCYVKDSQDVDGDTYKPIAS
NSYTMDLHLELIQAQHRIAVVLLDQLEVLQAPTVSTNTPAKGWEKVKKPRSTECFTELTV
MKKIKKNKLSKAIYLMQKALLLFEKDAVCETSRNLLMEANALIEKVEAEQNALYSYQKFL
GSSKIKKSRIPPPPILLARTHCSVTLKPAPFISEVKASWYCILGCKADGSYGKVRLNNNH
LPNSGEAIPADGRSFFEIKGLETNAQYCFAIAAYSSSGKLIGDAIGETTKPILIYPPLSA
VTARMYLTQVAYQIGNYEMAKKVFSPVWDYFVASPLPDEQSVICLSNIMTITQKRLHSNI
LADTSSILLYLFLRNIFVMSDIKIKEENLFCDNIKGNEIFPAQQVARLVECENVLVALEL
SNFLNDANFALQAVTQCYGLLAPIIYHNIVLVPVIQILIKCIVVLQGIPSIIHSKKNISS
FESIQHMIACCIFYMTKILRSWKEYDLAIMLINYGKKMLDITSGCRSLFGIEQEETAEEG
VCSKKTSRTKKPQQVLLPEKINEQLALLETHLLKTTKQINSAELSGSEDPIFLYPIVLNW
TVKGAMKEVMKFKQRPRFLEFFTQIMLKCMNDEKFHLMVEISAPVYDFLKRRNESLIGVK
RIKYKETVISRRALKSPSKFKAIVIEIGKSSDLTRRRRKKKKTLKDFFYKNPSIFDMAEL
DRNKRTDVRKMAYRSLSDNLNPLILTYVRRKRFHQILLEELPWRAQMNLYLANAHFHLFL
QKLTERTKERLGSSYSSVSFRSCDPNLFSLFHSGTVLPTAKLTVDSYNAMMDALTVSKKK
KHNQTTDTEDLSVLFNSKSDDNIPKMKTQTIYESDSQLGIGVNVREKDRTLVWGLDHFMK
IFLCCRRAMVLAYRGGYWTLLQNCCRVFWNFSRELQILLKQTVASCKTFPVSQDNFLCIC
VLPFYLGAELLIDMLIKLQSTNSIKPFEERGEFSIPSCYGNIKSDNGGSSLIFEHPLDDV
NVVDLRWIHDFVLKSLEVLYQVEKWETLVSLAIQFNIISHERYTEQVTPLLVYAQRQLVQ
RIKELNGPELSRQACARYEAENGEKITCRNFIGKRLKIDSSTPKNLAELQGSSEPLKTLI
TSEQRLAKQLVSVPLDVNDTLRCFRETLEKSKYHNRSVRHSRKLLSLFLAQTQDVLQTSN
QRSLKVQSLHSLGSLLLFADKKRAAFKCWSQALDDIFRKPDVLHNWKEFGTSLPGAPSSS
SPPGFKDYSEEFLSKFGIWGCLQAAMITAKIAQFIKTANVKKRINCCILSALLFQSLLRT
TLPHPKAERNYAQYEITQLLPGIELFSDKFRADICSVIASLYYVIRELHYAKYNLIVLPL
LALYQYFVSVICQDIVRNLEARILKIEILIDLGFFSEAFYELFQIYHGKNMPCAIPAGYK
ATMKVKITQSFDSGKPLTHKDNMQALEELINRGLPHILVNLGYQHLLNKFNFAKSHFFIS
LAATINCIPDPSPKIMYYQFITERSKPTPQNLKDNENSHGQFLRLRDDYNLNTIKSILLM
EAEEKVNSLLSETEHQCHRPLYLSSVLELEIMVEARLHLAAIALQRYRPAYSTAILYSTL
KLLQDSKVFKKKVPEESCSPTSPETSTTESKDDSEFLDPISLNSREYFNIHLWLRCRLML
VTSFIAQIRGIGIMKESELTDCLSLIDEVCTEAKSADDTEVLAEFLMQAVVLGLQEKHFK
ADIIQKLKEIISLLEGSEFLSPRSWLTLAKSLILMDDLTKAEKFKKASSKENKLIFLNQA
HRILIAQMLTFGETIEFPLSDSDYASPLQPLKNIYLPHVMLLAKVKLRIGHTMAKQVCSS
SKKKDISKWLPVLHMFDMALKVCKATAAEEYEVEAEILFQKGRIERQMLMEEKTSIAHIE
SFFEAIQISLKNDQNSGLIRDSYLEIALVYFYLKKPKRKASATTLKPLPRRHSSVKDPVA
TQTEMYSSLAWIAIRAAAQVSESVLGINLLIGKKRAMIDKVNNITLPNIPEFATVDLLSS
YTDYLLENYQVVFQTSNSLMCENDDVYDCIDGRKRNLSKVDVTWILLIRYYIHLQRINNM
SKLLASATPVSGISLPDDTLLTSLYNSELILRQKEMHLFLKRFLQLYSSSCIDGFPRELL
QGLENISLEKVLFESSGKVHRDSSLQSDLSGKLTVCPSYTEISSEMAVQALNKELCFQWY
IPPLDKPLKDSEPMVLLLYAYNLKPLRILDIKVSTGNSLYVGTSWIPLRSVIAVHQKLSN
LAQIAEISLPSVPEVTSEENIYETIEPEDKPIDTDLENMILECCSEIEALFSNNKDKDNE
PPPPMTKVPFDVSLPAIFSLERLFDLANGCIVSVGSLFNWMVSIIQ
Sequence of entity 12 (L), FASTA
>9IJJ_12 Cilia- and flagella-associated protein 221 (chains L)
MEVVKSPMQELQQAKEPFDTMSPLLLKSLVEEPKKRTEVPNHLLESRVYAKLLNNKVIQA
RPGIVHFGGYEIESKHQQILNIANISDEDTHLHILPPQTKYFQINFEKKEHRLIPGLSLT
VTITFSPDEWRYYYDCIRIHCKGDDTLLVPIHAYPVLNNLDFPTFINLSDVFLGESKSYV
IPLQCSCPVDFEFHITLLRSHQAFTIEPKSGIIPANGKAKVTVKFTPIQYGMAQIKIQLW
ISQFNSQPYECVFTGTCYPNMALPLEEFKRLNTRSKKVNVPLEKTTYVQFYPAPAKAKPQ
KLKEIDYQDLRFPADLSNPFAVATVLNQEPGKLKIKELKQVLDQGDEISKTRQMKEAIFE
QKVRQDILTEIENHLKWQVHLGKEHTTYRFKRELTEEWKKARAKYKQNRGDPVEGEELQR
LQTEQSQKRIVRDLKGKRQEFHPNFDPLVNNVWLTRHRAQRRFQQAARKIMLERRLLSML
GAIRGMDKESILRKIIQVNGKLIQGENPSRGRRAHLKQEDNIWRYSLESEEVLHFAFPTD
SESYNELALDGLGLVPIKSPEIQIKHSYPYFTLKVPQLYKIKGYHPFSVNKSSTNYRLQK
LARPLKHGAEDEVTTIITIPKKDTTPLSAKPSILSMKPPEGLAMSVEYDPLYIFNPSPGL
FAVKHPLTYAETLIDYHLCSHPKYKYTQESHMGSSIPLTQRQFLHHTDIIPGIMNWKKFQ
PLVFSSMSDPSMVEATQRSDWYSSVMLPIDVPAPLEDLPEEDRLETTERDLCDQGIEVML
TPEMVQVEFPMLIHRDSKKEKDFKDSTQLPEKVGERVQEEMKNLRSKALNTYLILD

Primary citation

In situ structure of the mouse sperm central apparatus reveals mechanistic insights into asthenozoospermia. Zhu, Y., Lin, T., Yin, G. et al. Cell Res (2025) 35:551-567. DOI 10.1038/s41422-025-01135-2 · PubMed

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