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データを開く
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基本情報
登録情報 | ![]() | |||||||||||||||
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タイトル | Structure of the IFT-A complex; IFT-A2 module | |||||||||||||||
![]() | IFT-A2 module, locally sharpened with LocScale | |||||||||||||||
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![]() | cilia / intraflagellar transport / membrane protein import / complex / transport protein | |||||||||||||||
機能・相同性 | ![]() protein localization to non-motile cilium / regulation of intraciliary retrograde transport / forebrain dorsal/ventral pattern formation / intraciliary anterograde transport / negative regulation of eating behavior / intraciliary transport particle A / embryonic heart tube left/right pattern formation / embryonic body morphogenesis / cerebellar Purkinje cell differentiation / intraciliary retrograde transport ...protein localization to non-motile cilium / regulation of intraciliary retrograde transport / forebrain dorsal/ventral pattern formation / intraciliary anterograde transport / negative regulation of eating behavior / intraciliary transport particle A / embryonic heart tube left/right pattern formation / embryonic body morphogenesis / cerebellar Purkinje cell differentiation / intraciliary retrograde transport / establishment of protein localization to organelle / intraciliary transport / spinal cord dorsal/ventral patterning / photoreceptor connecting cilium / ciliary tip / ventricular system development / Intraflagellar transport / camera-type eye morphogenesis / non-motile cilium assembly / protein localization to cilium / regulation of smoothened signaling pathway / embryonic heart tube development / non-motile cilium / embryonic forelimb morphogenesis / limb development / smoothened signaling pathway / axoneme / Bergmann glial cell differentiation / centriolar satellite / cilium assembly / Hedgehog 'off' state / negative regulation of smoothened signaling pathway / centriole / ciliary basal body / cellular response to leukemia inhibitory factor / neural tube closure / cilium / microtubule cytoskeleton / positive regulation of canonical Wnt signaling pathway / cytoskeleton / intracellular signal transduction / centrosome / chromatin binding / positive regulation of gene expression / regulation of transcription by RNA polymerase II / membrane / cytoplasm 類似検索 - 分子機能 | |||||||||||||||
生物種 | ![]() | |||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.5 Å | |||||||||||||||
![]() | Hesketh SJ / Mukhopadhyay AG / Nakamura D / Toropova K / Roberts AJ | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: IFT-A structure reveals carriages for membrane protein transport into cilia. 著者: Sophie J Hesketh / Aakash G Mukhopadhyay / Dai Nakamura / Katerina Toropova / Anthony J Roberts / ![]() 要旨: Intraflagellar transport (IFT) trains are massive molecular machines that traffic proteins between cilia and the cell body. Each IFT train is a dynamic polymer of two large complexes (IFT-A and -B) ...Intraflagellar transport (IFT) trains are massive molecular machines that traffic proteins between cilia and the cell body. Each IFT train is a dynamic polymer of two large complexes (IFT-A and -B) and motor proteins, posing a formidable challenge to mechanistic understanding. Here, we reconstituted the complete human IFT-A complex and obtained its structure using cryo-EM. Combined with AlphaFold prediction and genome-editing studies, our results illuminate how IFT-A polymerizes, interacts with IFT-B, and uses an array of β-propeller and TPR domains to create "carriages" of the IFT train that engage TULP adaptor proteins. We show that IFT-A⋅TULP carriages are essential for cilia localization of diverse membrane proteins, as well as ICK-the key kinase regulating IFT train turnaround. These data establish a structural link between IFT-A's distinct functions, provide a blueprint for IFT-A in the train, and shed light on how IFT evolved from a proto-coatomer ancestor. | |||||||||||||||
履歴 |
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構造の表示
添付画像 |
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ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 5.6 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 23.7 KB 23.7 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 23.3 KB | 表示 | ![]() |
画像 | ![]() | 141.1 KB | ||
マスクデータ | ![]() | 512 MB | ![]() | |
Filedesc metadata | ![]() | 8.6 KB | ||
その他 | ![]() ![]() ![]() | 257.6 MB 475.1 MB 475.1 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 726.8 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 726.4 KB | 表示 | |
XML形式データ | ![]() | 26 KB | 表示 | |
CIF形式データ | ![]() | 34.9 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||
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注釈 | IFT-A2 module, locally sharpened with LocScale | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.067 Å | ||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
-マスク #1
ファイル | ![]() | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-追加マップ: IFT-A2 module, unsharpened
ファイル | emd_15954_additional_1.map | ||||||||||||
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注釈 | IFT-A2 module, unsharpened | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: IFT-A2 module, half map B
ファイル | emd_15954_half_map_1.map | ||||||||||||
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注釈 | IFT-A2 module, half map B | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: IFT-A2 module, half map A
ファイル | emd_15954_half_map_2.map | ||||||||||||
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注釈 | IFT-A2 module, half map A | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
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試料の構成要素
-全体 : IFT-A complex; IFT-A2 module
全体 | 名称: IFT-A complex; IFT-A2 module |
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要素 |
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-超分子 #1: IFT-A complex; IFT-A2 module
超分子 | 名称: IFT-A complex; IFT-A2 module / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
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由来(天然) | 生物種: ![]() |
-分子 #1: Intraflagellar transport protein 122 homolog
分子 | 名称: Intraflagellar transport protein 122 homolog / タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 141.7135 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MRAVLTWRDK AEHCINDIAF KPDGTQLILA AGSRLLVYDT SDGTLLQPLK GHKDTVYCVA YAKDGKRFAS GSADKSVIIW TSKLEGILK YTHNDAIQCV SYNPITHQLA SCSSSDFGLW SPEQKSVSKH KSSSKIICCS WTNDGQYLAL GMFNGIISIR N KNGEEKVK ...文字列: MRAVLTWRDK AEHCINDIAF KPDGTQLILA AGSRLLVYDT SDGTLLQPLK GHKDTVYCVA YAKDGKRFAS GSADKSVIIW TSKLEGILK YTHNDAIQCV SYNPITHQLA SCSSSDFGLW SPEQKSVSKH KSSSKIICCS WTNDGQYLAL GMFNGIISIR N KNGEEKVK IERPGGSLSP IWSICWNPSS RWESFWMNRE NEDAEDVIV(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)IPS T LKSAVYSSQG SEAEEEEPEE EDDSPRDDNL EERNDILAVA DWGQKVSFYQ LSGKQIGKDR ALNFDPCCIS YFTKGEYIL LGGSDKQVSL FTKDGVRLGT VGEQNSWVWT CQAKPDSNYV VVGCQDGTIS FYQLIFSTVH GLYKDRYAYR DSMTDVIVQH LITEQKVRI KCKELVKKIA IYRNRLAIQL PEKILIYELY SEDLSDMHYR VKEKIIKKFE CNLLVVCANH IILCQEKRLQ C LSFSGVKE REWQMESLIR YIKVIGGPPG REGLLVGLKN GQILKIFVDN LFAIVLLKQA TAVRCLDMSA SRKKLAVVDE ND TCLVYDI DTKELLFQEP NANSVAWNTQ CEDMLCFSGG GYLNIKASTF PVHRQKLQGF VVGYNGSKIF CLHVFSISAV EVP QSAPMY QYLDRKLFKE AYQIACLGVT DTDWRELAME ALEGLDFETA KKAFIRVQDL RYLELISSIE ERKKRGETNN DLFL ADVFS YQGKFHEAAK LYKRSGHENL ALEMYTDLCM FEYAKDFLGS GDPKETKMLI TKQADWARNI KEPKAAVEMY ISAGE HVKA IEICGDHGWV DMLIDIARKL DKAEREPLLL CATYLKKLDS PGYAAETYLK MGDLKSLVQL HVETQRWDEA FALGEK HPE FKDDIYMPYA QWLAENDRFE EAQKAFHKAG RQREAVQVLE QLTNNAVAES RFNDAAYYYW MLSMQCLDIA QDPAQKD TM LGKFYHFQRL AELYHGYHAI HRHTEDPFSV HRPETLFNIS RFLLHSLPKD TPSGISKVKI LFTLAKQSKA LGAYRLAR H AYDKLRGLYI PARFQKSIEL GTLTIRAKPF HDSEELVPLC YRCSTNNPLL NNLGNVCINC RQPFIFSASS YDVLHLVEF YLEEGITDEE AISLIDLEVL RPKRDDRQLE IANNSSQILR LVETKDSIGD EDPFTAKLSF EQGGSEFVPV VVSRLVLRSM SRRDVLIKR WPPPLRWQYF RSLLPDASIT MCPSCFQMFH SEDYELLVLQ HGCCPYCRRC KDDPGP UniProtKB: Intraflagellar transport protein 122 homolog |
-分子 #2: SNAP-tag,Tetratricopeptide repeat protein 21B
分子 | 名称: SNAP-tag,Tetratricopeptide repeat protein 21B / タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 170.652609 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GDKDCEMKRT TLDSPLGKLE LSGCEQGLHR IIFLGKGTSA ADAVEVPAPA AVLGGPEPLM QATAWLNAYF HQPEAIEEFP VPALHHPVF QQESFTRQVL WKLLKVVKFG EVISYSHLAA LAGNPAATAA VKTALSGNPV PILIPCHRVV QGDLDVGGYE G GLAVKEWL ...文字列: GDKDCEMKRT TLDSPLGKLE LSGCEQGLHR IIFLGKGTSA ADAVEVPAPA AVLGGPEPLM QATAWLNAYF HQPEAIEEFP VPALHHPVF QQESFTRQVL WKLLKVVKFG EVISYSHLAA LAGNPAATAA VKTALSGNPV PILIPCHRVV QGDLDVGGYE G GLAVKEWL LAHEGHRLGK PGLGGSMDSQ ELKTLINYYC QERYFHHVLL VASEGIKRYG SDPVFRFYHA YGTLMEGKTQ EA LREFEAI KNKQDVSLCS LLALIYAHKM SPNPDREAIL ESDARVKEQR KGAGEKALYH AGLFLWHIGR HDKAREYIDR MIK ISDGSK QGHVLKAWLD ITRGKEPYTK KALKYFEEGL QDGNDTFALL GKAQCLEMRQ NYSGALETVN QIIVNFPSFL PAFV KKMKL QLALQDWDQT VETAQRLLLQ DSQNVEALRM QALYYVCREG DIEKASTKLE NLGNTLDAME PQNAQLFYNI TLAFS RTCG RSQLILQKIQ TLLERAFSLN PQQSEFATEL GYQMILQGRV KEALKWYKTA MTLDETSVSA LVGFIQCQLI EGQLQD ADQ QLEFLNEIQQ SIGKSAELIY LHAVLAMKKN KRQEEVINLL NDVLDTHFSQ LEGLPLGIQY FEKLNPDFLL EIVMEYL SF CPMQPASPGQ PLCPLLRRCI SVLETVVRTV PGLLQTVFLI AKVKYLSGDI EAAFNNLQHC LEHNPSYADA HLLLAQVY L SQEKVKLCSQ SLELCLSYDF KVRDYPLYHL IKAQSQKKMG EIADAIKTLH MAMSLPGMKR IGASTKSKDR KTEVDTSHR LSIFLELIDV HRLNGEQHEA TKVLQDAIHE FSGTSEEVRV TIANADLALA QGDIERALSI LQNVTAEQPY FIEAREKMAD IYLKHRKDK MLYITCFREI AERMANPRSF LLLGDAYMNI LEPEEAIVAY EQALNQNPKD GTLASKMGKA LIKTHNYSMA I TYYEAALK TGQKNYLCYD LAELLLKLKW YDKAEKVLQH ALAHEPVNEL SALMEDGRCQ VLLAKVYSKM EKLGDAITAL QQ ARELQAR VLKRVQMEQP DAVPAQKHLA AEICAEIAKH SVAQRDYEKA IKFYREALVH CETDNKIMLE LARLYLAQDD PDS CLRQCA LLLQSDQDNE AATMMMADLM FRKQDYEQAV FHLQQLLERK PDNYMTLSRL IDLLRRCGKL EDVPRFFSMA EKRN SRAKL EPGFQYCKGL YLWYTGEPND ALRHFNKARK DRDWGQNALY NMIEICLNPD NETVGGEVFE NLDGDLGNST EKQES VQLA VRTAEKLLKE LKPQTVQGHV QLRIMENYCL MATKQKSNVE QALNTFTEIA ASEKEHIPAL LGMATAYMIL KQTPRA RNQ LKRIAKMNWN AIDAEEFEKS WLLLADIYIQ SAKYDMAEDL LKRCLRHNRS CCKAYEYMGY IMEKEQAYTD AALNYEM AW KYSNRTNPAV GYKLAFNYLK AKRYVDSIDI CHQVLEAHPT YPKIRKDILD KARASLRP UniProtKB: Tetratricopeptide repeat protein 21B |
-分子 #3: WD repeat-containing protein 35
分子 | 名称: WD repeat-containing protein 35 / タイプ: protein_or_peptide / ID: 3 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 134.037969 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: FQGMFFYLSK KISIPNNVKL QCVSWNKEQG FIACGGEDGL LKVLKLETQT DDAKLRGLAA PSNLSMNQTL EGHSGSVQVV TWNEQYQKL TTSDENGLII VWMLYKGSWI EEMINNRNKS VVRSMSWNAD GQKICIVYED GAVIVGSVDG NRIWGKDLKG I QLSHVTWS ...文字列: FQGMFFYLSK KISIPNNVKL QCVSWNKEQG FIACGGEDGL LKVLKLETQT DDAKLRGLAA PSNLSMNQTL EGHSGSVQVV TWNEQYQKL TTSDENGLII VWMLYKGSWI EEMINNRNKS VVRSMSWNAD GQKICIVYED GAVIVGSVDG NRIWGKDLKG I QLSHVTWS ADSKVLLFGM ANGEIHIYDN QGNFMIKMKL SCLVNVTGAI SIAGIHWYHG TEGYVEPDCP CLAVCFDNGR CQ IMRHEND QNPVLIDTGM YVVGIQWNHM GSVLAVAGFQ KAAMQDKDVN IVQFYTPFGE HLGTLKVPGK EISALSWEGG GLK IALAVD SFIYFANIRP NYKWGYCSNT VVYAYTRPDR PEYCVVFWDT KNNEKYVKYV KGLISITTCG DFCILATKAD ENHP QEENE METFGATFVL VLCNSIGTPL DPKYIDIVPL FVAMTKTHVI AASKEAFYTW QYRVAKKLTA LEINQITRSR KEGRE RIYH VDDTPSGSMD GVLDYSKTIQ GTRDPICAIT ASDKILIVGR ESGTIQRYSL PNVGLIQKYS LNCRAYQLSL NCNSSR LAI IDISGVLTFF DLDARVTDST GQQVVGELLK LERRDVWDMK WAKDNPDLFA MMEKTRMYVF RNLDPEEPIQ TSGYICN FE DLEIKSVLLD EILKDPEHPN KDYLINFEIR SLRDSRALIE KVGIKDASQF IEDNPHPRLW RLLAEAALQK LDLYTAEQ A FVRCKDYQGI KFVKRLGKLL SESMKQAEVV GYFGRFEEAE RTYLEMDRRD LAIGLRLKLG DWFRVLQLLK TGSGDADDS LLEQANNAIG DYFADRQKWL NAVQYYVQGR NQERLAECYY MLEDYEGLEN LAISLPENHK LLPEIAQMFV RVGMCEQAVT AFLKCSQPK AAVDTCVHLN QWNKAVELAK NHSMKEIGSL LARYASHLLE KNKTLDAIEL YRKANYFFDA AKLMFKIADE E AKKGSKPL RVKKLYVLSA LLIEQYHEQM KNAQRGKVKG KSSEATSALA GLLEEEVLST TDRFTDNAWR GAEAYHFFIL AQ RQLYEGC VDTALKTALH LKDYEDIIPP VEIYSLLALC ACASRAFGTC SKAFIKLKSL ETLSSEQKQQ YEDLALEIFT KHT SKDNRK PELDSLMEGG EGKLPTCVAT GSPITEYQFW MCSVCKHGVL AQEISHYSFC PLCHSPVG UniProtKB: WD repeat-containing protein 35 |
-分子 #4: Intraflagellar transport protein 43 homolog
分子 | 名称: Intraflagellar transport protein 43 homolog / タイプ: protein_or_peptide / ID: 4 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 23.615119 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GMEDLLDLDE ELRYSLATSR AKMGRRAQQE SAQAENHLNG KNSSLTLTGE TSSAKLPRCR QGGWAGDSVK ASKFRRKASE EIEDFRLRP QSLNGSDYGG DIPIIPDLEE VQEEDFVLQV AAPPSIQIKR VMTYRDLDND LMKYSAIQTL DGEIDLKLLT K VLAPEHEV ...文字列: GMEDLLDLDE ELRYSLATSR AKMGRRAQQE SAQAENHLNG KNSSLTLTGE TSSAKLPRCR QGGWAGDSVK ASKFRRKASE EIEDFRLRP QSLNGSDYGG DIPIIPDLEE VQEEDFVLQV AAPPSIQIKR VMTYRDLDND LMKYSAIQTL DGEIDLKLLT K VLAPEHEV REDDVGWDWD HLFTEVSSEV LTEWDPLQTE KEDPAGQARH T UniProtKB: Intraflagellar transport protein 43 homolog |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.5 |
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凍結 | 凍結剤: ETHANE / 装置: FEI VITROBOT MARK IV |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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撮影 | フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 平均電子線量: 48.0 e/Å2 詳細: Average electron dose for additional dataset was 49.5 (e-/A2) |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 3.5 µm / 最小 デフォーカス(公称値): 1.5 µm |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |