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 10,475 α-helices and 7,966 β-strands across 462 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 1a: 8 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-20 | 19 | |
| α-helix | 22-36 | 15 | |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| α-helix | 141-155 | 15 | |
Chains 1A, 2O and 2R: 7 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-20 | 19 | |
| α-helix | 22-36 | 15 | |
| β-strand | 43 | 1 | 198 |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-132 | 6 | |
| β-strand | 134 | 1 | 198 |
| α-helix | 141-156 | 16 | |
Chain 1b: 9 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 3-19 | 17 | |
| α-helix | 22-36 | 15 | |
| α-helix | 42-43 | 2 | |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| α-helix | 141-156 | 16 | |
Chains 1B and 1L: 8 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-20 | 19 | |
| α-helix | 22-36 | 15 | |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| α-helix | 141-156 | 16 | |
Chains 1c, 1T, 1X, 1Z and 2A: 8 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-19 | 18 | |
| α-helix | 22-36 | 15 | |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| α-helix | 141-156 | 16 | |
Chains 1C and 2J: 8 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-20 | 19 | |
| α-helix | 22-35 | 14 | |
| β-strand | 43 | 1 | 342 |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| β-strand | 134 | 1 | 342 |
| α-helix | 141-156 | 16 | |
Chain 1d: 8 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 3-19 | 17 | |
| α-helix | 22-36 | 15 | |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-128 | 2 | |
| α-helix | 129-133 | 5 | |
| α-helix | 141-156 | 16 | |
Chain 1D: 7 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 3-20 | 18 | |
| α-helix | 22-35 | 14 | |
| β-strand | 43 | 1 | 407 |
| α-helix | 46-54 | 9 | |
| α-helix | 60-86 | 27 | |
| α-helix | 91-103 | 13 | |
| α-helix | 127-132 | 6 | |
| β-strand | 134 | 1 | 407 |
| α-helix | 141-156 | 16 | |
417 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| Spermatogenesis-associated protein 4 | W, X, Y, Z, a, b | protein | 295 | Mus musculus | Q8K3V1 (AlphaFold model) |
| Kinesin-like protein KIF9 | c, d, e, f, g | protein | 790 | Mus musculus | Q9WV04 (AlphaFold model) |
| Cilia- and flagella-associated protein 65 | h, i, j | protein | 1847 | Mus musculus | Q3V0B4 (AlphaFold model) |
| Cilia- and flagella-associated protein 70 | k, l, m, n, o, p | protein | 1141 | Mus musculus | D3YVL2 (AlphaFold model) |
| Protein FAM228B | q, r, s | protein | 232 | Mus musculus | Q497Q6 |
| Cilia- and flagella-associated protein 20 | t, u | protein | 193 | Mus musculus | Q8BTU1 |
| MYCBP-associated protein | v, w | protein | 932 | Mus musculus | Q5SUV2 |
| Cilia and flagella associated protein 46 | A, B | protein | 2641 | Mus musculus | E9Q2C0 |
| Cilia- and flagella-associated protein 74 | C, D, E | protein | 1578 | Mus musculus | Q3UY96 |
| Coiled-coil domain containing 180 | F, G | protein | 1664 | Mus musculus | J3QNE4 |
| Cilia- and flagella-associated protein 54 | H, I | protein | 3106 | Mus musculus | Q8C6S9 |
| Cilia- and flagella-associated protein 221 | L | protein | 836 | Mus musculus | A9Q751 |
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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