6Y5Q: Human 17S U2 snRNP

human 17S U2 snRNP. Determined by electron microscopy at 7.1 Å resolution. Released 17 Jun 2020.

Method
Electron microscopy
Resolution
7.1 Å
Organism
Homo sapiens
Chains
22
Atoms
22,867
Mol. weight
1073.21 kDa
Released
17 Jun 2020

Explore 6Y5Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6Y5Q contains 178 α-helices and 239 β-strands across 21 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 6: 5 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix161-17414
α-helix186-1894
α-helix205-21713
α-helix221-2255
α-helix236-27136
Chain 7: 2 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix105-1084
α-helix115-1173
β-strand118-121449
β-strand134-137449
β-strand148-153650
β-strand167-172650
β-strand179-183550
β-strand197-200449
β-strand205-208449
Chain 8: 11 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix464-4674
α-helix472-4743
α-helix478-4814
α-helix485-4928
α-helix523-5253
α-helix526-5294
α-helix572-5754
α-helix579-5824
β-strand60815
α-helix611-6177
α-helix619-6224
α-helix633-6397
β-strand648-64926
β-strand65117
β-strand65517
β-strand68315
β-strand68615
β-strand689-69026
Chain 9: 21 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix6-2722
α-helix33-5826
α-helix64-718
α-helix78-8710
α-helix103-1086
α-helix126-1283
α-helix143-15311
α-helix160-1678
α-helix182-20019
α-helix206-21914
α-helix221-2233
β-strand227151
β-strand282-283251
β-strand290-291251
α-helix294-3018
α-helix304-3074
α-helix318-33316
α-helix335-35016
α-helix353-3619
α-helix394-4007
β-strand406-408352
β-strand414-416352
α-helix419-4246
α-helix429-43810
α-helix453-4619
α-helix491-4977
Chain a: 7 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix6-105
β-strand13-16443
β-strand22-25443
α-helix37-393
β-strand46-48343
β-strand56-57244
β-strand68-70343
β-strand78-79244
α-helix83-864
β-strand92-94343
α-helix103-1064
α-helix108-1114
β-strand117-119343
α-helix131-1388
β-strand144-145243
β-strand149143
α-helix152-1609
Chain b: 5 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand11-15545
α-helix23-3412
β-strand40-45645
β-strand55-59545
α-helix62-7110
β-strand76-77246
β-strand80-81246
β-strand83-86445
α-helix92-987
β-strand152-156547
α-helix164-1718
β-strand177-181547
β-strand189-194647
α-helix197-20610
β-strand219-222447
Chain h: 2 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix20-267
α-helix29-379
β-strand41-46659
β-strand51-58859
β-strand65-761259
β-strand90-1011259
β-strand106-111659
Chain i: 1 helix, 5 β-strands
ElementResiduesLengthSheet
α-helix7-137
β-strand18-23659
β-strand27-361059
β-strand42-511059
β-strand54-641159
β-strand69-74659

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
PHD finger-like domain-containing protein 5Ayprotein110Homo sapiensQ7RTV0 (AlphaFold model)
Splicing factor 3B subunit 5xprotein86Homo sapiensQ9BWJ5 (AlphaFold model)
Splicing factor 3B subunit 28protein895Homo sapiensQ13435 (AlphaFold model)
Splicing factor 3B subunit 3vprotein1217Homo sapiensQ15393 (AlphaFold model)
Splicing factor 3B subunit 1uprotein1304Homo sapiensO75533
Probable ATP-dependent RNA helicase DDX46pprotein1031Homo sapiensQ7L014
U2 small nuclear ribonucleoprotein A'aprotein255Homo sapiensP09661
U2 small nuclear ribonucleoprotein B''bprotein225Homo sapiensP08579
Splicing factor 3B subunit 6zprotein125Homo sapiensQ9Y3B4
Splicing factor 3A subunit 16protein793Homo sapiensQ15459
Splicing factor 3A subunit 27protein464Homo sapiensQ15428
Splicing factor 3A subunit 39protein501Homo sapiensQ12874

10 more molecules are not listed.

Sequence of entity 1 (y), FASTA
>6Y5Q_1 PHD finger-like domain-containing protein 5A (chains y)
MAKHHPDLIFCRKQAGVAIGRLCEKCDGKCVICDSYVRPCTLVRICDECNYGSYQGRCVI
CGGPGVSDAYYCKECTIQEKDRDGCPKIVNLGSSKTDLFYERKKYGFKKR
Sequence of entity 2 (x), FASTA
>6Y5Q_2 Splicing factor 3B subunit 5 (chains x)
MTDRYTIHSQLEHLQSKYIGTGHADTTKWEWLVNQHRDSYCSYMGHFDLLNYFAIAENES
KARVRFNLMEKMLQPCGPPADKPEEN
Sequence of entity 3 (8), FASTA
>6Y5Q_3 Splicing factor 3B subunit 2 (chains 8)
MATEHPEPPKAELQLPPPPPPGHYGAWAAQELQAKLAEIGAPIQGNREELVERLQSYTRQ
TGIVLNRPVLRGEDGDKAAPPPMSAQLPGIPMPPPPLGLPPLQPPPPPPPPPPGLGLGFP
MAHPPNLGPPPPLRVGEPVALSEEERLKLAQQQAALLMQQEERAKQQGDHSLKEHELLEQ
QKRAAVLLEQERQQEIAKMGTPVPRPPQDMGQIGVRTPLGPRVAAPVGPVGPTPTVLPMG
APVPRPRGPPPPPGDENREMDDPSVGPKIPQALEKILQLKESRQEEMNSQQEEEEMETDA
RSSLGQSASETEEDTVSVSKKEKNRKRRNRKKKKKPQRVRGVSSESSGDREKDSTRSRGS
DSPAADVEIEYVTEEPEIYEPNFIFFKRIFEAFKLTDDVKKEKEKEPEKLDKLENSAAPK
KKGFEEEHKDSDDDSSDDEQEKKPEAPKLSKKKLRRMNRFTVAELKQLVARPDVVEMHDV
TAQDPKLLVHLKATRNSVPVPRHWCFKRKYLQGKRGIEKPPFELPDFIKRTGIQEMREAL
QEKEEQKTMKSKMREKVRPKMGKIDIDYQKLHDAFFKWQTKPKLTIHGDLYYEGKEFETR
LKEKKPGDLSDELRISLGMPVGPNAHKVPPPWLIAMQRYGPPPSYPNLKIPGLNSPIPES
CSFGYHAGGWGKPPVDETGKPLYGDVFGTNAAEFQTKTEEEEIDRTPWGELEPSDEESSE
EEEEEESDEDKPDETGFITPADSGLITPGGFSSVPAGMETPELIELRKKKIEEAMDGSET
PQLFTVLPEKRTATVGGAMMGSTHIYDMSTVMSRKGPAPELQGVEVALAPEELELDPMAM
TQKYEEHVREQQAQVEKEDFSDMVAEHAAKQKQKKRKAQPQDSRGGSKKYKEFKF
Sequence of entity 4 (v), FASTA
>6Y5Q_4 Splicing factor 3B subunit 3 (chains v)
MFLYNLTLQRATGISFAIHGNFSGTKQQEIVVSRGKILELLRPDPNTGKVHTLLTVEVFG
VIRSLMAFRLTGGTKDYIVVGSDSGRIVILEYQPSKNMFEKIHQETFGKSGCRRIVPGQF
LAVDPKGRAVMISAIEKQKLVYILNRDAAARLTISSPLEAHKANTLVYHVVGVDVGFENP
MFACLEMDYEEADNDPTGEAAANTQQTLTFYELDLGLNHVVRKYSEPLEEHGNFLITVPG
GSDGPSGVLICSENYITYKNFGDQPDIRCPIPRRRNDLDDPERGMIFVCSATHKTKSMFF
FLAQTEQGDIFKITLETDEDMVTEIRLKYFDTVPVAAAMCVLKTGFLFVASEFGNHYLYQ
IAHLGDDDEEPEFSSAMPLEEGDTFFFQPRPLKNLVLVDELDSLSPILFCQIADLANEDT
PQLYVACGRGPRSSLRVLRHGLEVSEMAVSELPGNPNAVWTVRRHIEDEFDAYIIVSFVN
ATLVLSIGETVEEVTDSGFLGTTPTLSCSLLGDDALVQVYPDGIRHIRADKRVNEWKTPG
KKTIVKCAVNQRQVVIALTGGELVYFEMDPSGQLNEYTERKEMSADVVCMSLANVPPGEQ
RSRFLAVGLVDNTVRIISLDPSDCLQPLSMQALPAQPESLCIVEMGGTEKQDELGERGSI
GFLYLNIGLQNGVLLRTVLDPVTGDLSDTRTRYLGSRPVKLFRVRMQGQEAVLAMSSRSW
LSYSYQSRFHLTPLSYETLEFASGFASEQCPEGIVAISTNTLRILALEKLGAVFNQVAFP
LQYTPRKFVIHPESNNLIIIETDHNAYTEATKAQRKQQMAEEMVEAAGEDERELAAEMAA
AFLNENLPESIFGAPKAGNGQWASVIRVMNPIQGNTLDLVQLEQNEAAFSVAVCRFSNTG
EDWYVLVGVAKDLILNPRSVAGGFVYTYKLVNNGEKLEFLHKTPVEEVPAAIAPFQGRVL
IGVGKLLRVYDLGKKKLLRKCENKHIANYISGIQTIGHRVIVSDVQESFIWVRYKRNENQ
LIIFADDTYPRWVTTASLLDYDTVAGADKFGNICVVRLPPNTNDEVDEDPTGNKALWDRG
LLNGASQKAEVIMNYHVGETVLSLQKTTLIPGGSESLVYTTLSGGIGILVPFTSHEDHDF
FQHVEMHLRSEHPPLCGRDHLSFRSYYFPVKNVIDGDLCEQFNSMEPNKQKNVSEELDRT
PPEVSKKLEDIRTRYAF
Sequence of entity 5 (u), FASTA
>6Y5Q_5 Splicing factor 3B subunit 1 (chains u)
MAKIAKTHEDIEAQIREIQGKKAALDEAQGVGLDSTGYYDQEIYGGSDSRFAGYVTSIAA
TELEDDDDDYSSSTSLLGQKKPGYHAPVALLNDIPQSTEQYDPFAEHRPPKIADREDEYK
KHRRTMIISPERLDPFADGGKTPDPKMNARTYMDVMREQHLTKEEREIRQQLAEKAKAGE
LKVVNGAAASQPPSKRKRRWDQTADQTPGATPKKLSSWDQAETPGHTPSLRWDETPGRAK
GSETPGATPGSKIWDPTPSHTPAGAATPGRGDTPGHATPGHGGATSSARKNRWDETPKTE
RDTPGHGSGWAETPRTDRGGDSIGETPTPGASKRKSRWDETPASQMGGSTPVLTPGKTPI
GTPAMNMATPTPGHIMSMTPEQLQAWRWEREIDERNRPLSDEELDAMFPEGYKVLPPPAG
YVPIRTPARKLTATPTPLGGMTGFHMQTEDRTMKSVNDQPSGNLPFLKPDDIQYFDKLLV
DVDESTLSPEEQKERKIMKLLLKIKNGTPPMRKAALRQITDKAREFGAGPLFNQILPLLM
SPTLEDQERHLLVKVIDRILYKLDDLVRPYVHKILVVIEPLLIDEDYYARVEGREIISNL
AKAAGLATMISTMRPDIDNMDEYVRNTTARAFAVVASALGIPSLLPFLKAVCKSKKSWQA
RHTGIKIVQQIAILMGCAILPHLRSLVEIIEHGLVDEQQKVRTISALAIAALAEAATPYG
IESFDSVLKPLWKGIRQHRGKGLAAFLKAIGYLIPLMDAEYANYYTREVMLILIREFQSP
DEEMKKIVLKVVKQCCGTDGVEANYIKTEILPPFFKHFWQHRMALDRRNYRQLVDTTVEL
ANKVGAAEIISRIVDDLKDEAEQYRKMVMETIEKIMGNLGAADIDHKLEEQLIDGILYAF
QEQTTEDSVMLNGFGTVVNALGKRVKPYLPQICGTVLWRLNNKSAKVRQQAADLISRTAV
VMKTCQEEKLMGHLGVVLYEYLGEEYPEVLGSILGALKAIVNVIGMHKMTPPIKDLLPRL
TPILKNRHEKVQENCIDLVGRIADRGAEYVSAREWMRICFELLELLKAHKKAIRRATVNT
FGYIAKAIGPHDVLATLLNNLKVQERQNRVCTTVAIAIVAETCSPFTVLPALMNEYRVPE
LNVQNGVLKSLSFLFEYIGEMGKDYIYAVTPLLEDALMDRDLVHRQTASAVVQHMSLGVY
GFGCEDSLNHLLNYVWPNVFETSPHVIQAVMGALEGLRVAIGPCRMLQYCLQGLFHPARK
VRDVYWKIYNSIYIGSQDALIAHYPRIYNDDKNTYIRYELDYIL
Sequence of entity 6 (p), FASTA
>6Y5Q_6 Probable ATP-dependent RNA helicase DDX46 (chains p)
MGRESRHYRKRSASRGRSGSRSRSRSPSDKRSKRGDDRRSRSRDRDRRRERSRSRDKRRS
RSRDRKRLRRSRSRERDRSRERRRSRSRDRRRSRSRSRGRRSRSSSPGNKSKKTENRSRS
KEKTDGGESSKEKKKDKDDKEDEKEKDAGNFDQNKLEEEMRKRKERVEKWREEQRKKAME
NIGELKKEIEEMKQGKKWSLEDDDDDEDDPAEAEKEGNEMEGEELDPLDAYMEEVKEEVK
KFNMRSVKGGGGNEKKSGPTVTKVVTVVTTKKAVVDSDKKKGELMENDQDAMEYSSEEEE
VDLQTALTGYQTKQRKLLEPVDHGKIEYEPFRKNFYVEVPELAKMSQEEVNVFRLEMEGI
TVKGKGCPKPIKSWVQCGISMKILNSLKKHGYEKPTPIQTQAIPAIMSGRDLIGIAKTGS
GKTIAFLLPMFRHIMDQRSLEEGEGPIAVIMTPTRELALQITKECKKFSKTLGLRVVCVY
GGTGISEQIAELKRGAEIIVCTPGRMIDMLAANSGRVTNLRRVTYVVLDEADRMFDMGFE
PQVMRIVDNVRPDRQTVMFSATFPRAMEALARRILSKPIEVQVGGRSVVCSDVEQQVIVI
EEEKKFLKLLELLGHYQESGSVIIFVDKQEHADGLLKDLMRASYPCMSLHGGIDQYDRDS
IINDFKNGTCKLLVATSVAARGLDVKHLILVVNYSCPNHYEDYVHRAGRTGRAGNKGYAY
TFITEDQARYAGDIIKALELSGTAVPPDLEKLWSDFKDQQKAEGKIIKKSSGFSGKGFKF
DETEQALANERKKLQKAALGLQDSDDEDAAVDIDEQIESMFNSKKRVKDMAAPGTSSVPA
PTAGNAEKLEIAKRLALRINAQKNLGIESQDVMQQATNAILRGGTILAPTVSAKTIAEQL
AEKINAKLNYVPLEKQEEERQDGGQNESFKRYEEELEINDFPQTARWKVTSKEALQRISE
YSEAAITIRGTYFPPGKEPKEGERKIYLAIESANELAVQKAKAEITRLIKEELIRLQNSY
QPTNKGRYKVL
Sequence of entity 7 (a), FASTA
>6Y5Q_7 U2 small nuclear ribonucleoprotein A' (chains a)
MVKLTAELIEQAAQYTNAVRDRELDLRGYKIPVIENLGATLDQFDAIDFSDNEIRKLDGF
PLLRRLKTLLVNNNRICRIGEGLDQALPCLTELILTNNSLVELGDLDPLASLKSLTYLSI
LRNPVTNKKHYRLYVIYKVPQVRVLDFQKVKLKERQEAEKMFKGKRGAQLAKDIARRSKT
FNPGAGLPTDKKKGGPSPGDVEAIKNAIANASTLAEVERLKGLLQSGQIPGRERRSGPTD
DGEEEMEEDTVTNGS
Sequence of entity 8 (b), FASTA
>6Y5Q_8 U2 small nuclear ribonucleoprotein B'' (chains b)
MDIRPNHTIYINNMNDKIKKEELKRSLYALFSQFGHVVDIVALKTMKMRGQAFVIFKELG
SSTNALRQLQGFPFYGKPMRIQYAKTDSDIISKMRGTFADKEKKKEKKKAKTVEQTATTT
NKKPGQGTPNSANTQGNSTPNPQVPDYPPNYILFLNNLPEETNEMMLSMLFNQFPGFKEV
RLVPGRHDIAFVEFENDGQAGAARDALQGFKITPSHAMKITYAKK
Sequence of entity 9 (z), FASTA
>6Y5Q_9 Splicing factor 3B subunit 6 (chains z)
MAMQAAKRANIRLPPEVNRILYIRNLPYKITAEEMYDIFGKYGPIRQIRVGNTPETRGTA
YVVYEDIFDAKNACDHLSGFNVCNRYLVVLYYNANRAFQKMDTKKKEEQLKLLKEKYGIN
TDPPK
Sequence of entity 10 (6), FASTA
>6Y5Q_10 Splicing factor 3A subunit 1 (chains 6)
MPAGPVQAVPPPPPVPTEPKQPTEEEASSKEDSAPSKPVVGIIYPPPEVRNIVDKTASFV
ARNGPEFEARIRQNEINNPKFNFLNPNDPYHAYYRHKVSEFKEGKAQEPSAAIPKVMQQQ
QQTTQQQLPQKVQAQVIQETIVPKEPPPEFEFIADPPSISAFDLDVVKLTAQFVARNGRQ
FLTQLMQKEQRNYQFDFLRPQHSLFNYFTKLVEQYTKILIPPKGLFSKLKKEAENPREVL
DQVCYRVEWAKFQERERKKEEEEKEKERVAYAQIDWHDFVVVETVDFQPNEQGNFPPPTT
PEELGARILIQERYEKFGESEEVEMEVESDEEDDKQEKAEEPPSQLDQDTQVQDMDEGSD
DEEEGQKVPPPPETPMPPPLPPTPDQVIVRKDYDPKASKPLPPAPAPDEYLVSPITGEKI
PASKMQEHMRIGLLDPRWLEQRDRSIREKQSDDEVYAPGLDIESSLKQLAERRTDIFGVE
ETAIGKKIGEEEIQKPEEKVTWDGHSGSMARTQQAAQANITLQEQIEAIHKAKGLVPEDD
TKEKIGPSKPNEIPQQPPPPSSATNIPSSAPPITSVPRPPTMPPPVRTTVVSAVPVMPRP
PMASVVRLPPGSVIAPMPPIIHAPRINVVPMPPSAPPIMAPRPPPMIVPTAFVPAPPVAP
VPAPAPMPPVHPPPPMEDEPTSKKLKTEDSLMPEEEFLRRNKGPVSIKVQVPNMQDKTEW
KLNGQVLVFTLPLTDQVSVIKVKIHEATGMPAGKQKLQYEGIFIKDSNSLAYYNMANGAV
IHLALKERGGRKK
Sequence of entity 11 (7), FASTA
>6Y5Q_11 Splicing factor 3A subunit 2 (chains 7)
MDFQHRPGGKTGSGGVASSSESNRDRRERLRQLALETIDINKDPYFMKNHLGSYECKLCL
TLHNNEGSYLAHTQGKKHQTNLARRAAKEAKEAPAQPAPEKVKVEVKKFVKIGRPGYKVT
KQRDSEMGQQSLLFQIDYPEIAEGIMPRHRFMSAYEQRIEPPDRRWQYLLMAAEPYETIA
FKVPSREIDKAEGKFWTHWNRETKQFFLQFHFKMEKPPAPPSLPAGPPGVKRPPPPLMNG
LPPRPPLPESLPPPPPGGLPLPPMPPTGPAPSGPPGPPQLPPPAPGVHPPAPVVHPPASG
VHPPAPGVHPPAPGVHPPAPGVHPPTSGVHPPAPGVHPPAPGVHPPAPGVHPPAPGVHPP
APGVHPPPSAGVHPQAPGVHPAAPAVHPQAPGVHPPAPGMHPQAPGVHPQPPGVHPSAPG
VHPQPPGVHPSNPGVHPPTPMPPMLRPPLPSEGPGNIPPPPPTN
Sequence of entity 12 (9), FASTA
>6Y5Q_12 Splicing factor 3A subunit 3 (chains 9)
METILEQQRRYHEEKERLMDVMAKEMLTKKSTLRDQINSDHRTRAMQDRYMEVSGNLRDL
YDDKDGLRKEELNAISGPNEFAEFYNRLKQIKEFHRKHPNEICVPMSVEFEELLKARENP
SEEAQNLVEFTDEEGYGRYLDLHDCYLKYINLKASEKLDYITYLSIFDQLFDIPKERKNA
EYKRYLEMLLEYLQDYTDRVKPLQDQNELFGKIQAEFEKKWENGTFPGWPKETSSALTHA
GAHLDLSAFSSWEELASLGLDRLKSALLALGLKCGGTLEERAQRLFSTKGKSLESLDTSL
FAKNPKSKGTKRDTERNKDIAFLEAQIYEYVEILGEQRHLTHENVQRKQARTGEEREEEE
EEQISESESEDEENEIIYNPKNLPLGWDGKPIPYWLYKLHGLNINYNCEICGNYTYRGPK
AFQRHFAEWRHAHGMRCLGIPNTAHFANVTQIEDAVSLWAKLKLQKASERWQPDTEEEYE
DSSGNVVNKKTYEDLKRQGLL

Primary citation

Molecular architecture of the human 17S U2 snRNP. Zhang, Z., Will, C.L., Bertram, K. et al. Nature (2020) 583:310-313. DOI 10.1038/s41586-020-2344-3 · PubMed

Other PDB entries of the same protein (UniProt Q7RTV0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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