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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 | Cryo-EM map of the human UBR4-KCMF1-CaM E3 Ligase complex (Silencing Factor of the Integrated stress response, SiFI) N-terminal region | |||||||||
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![]() | E3 ligase / LIGASE / UBR4 | |||||||||
機能・相同性 | ![]() negative regulation of HRI-mediated signaling / ubiquitin-dependent protein catabolic process via the N-end rule pathway / protein K27-linked ubiquitination / cytoplasm protein quality control by the ubiquitin-proteasome system / protein branched polyubiquitination / negative regulation of fatty acid biosynthetic process / endosome organization / cytoplasm protein quality control / protein K11-linked ubiquitination / tertiary granule membrane ...negative regulation of HRI-mediated signaling / ubiquitin-dependent protein catabolic process via the N-end rule pathway / protein K27-linked ubiquitination / cytoplasm protein quality control by the ubiquitin-proteasome system / protein branched polyubiquitination / negative regulation of fatty acid biosynthetic process / endosome organization / cytoplasm protein quality control / protein K11-linked ubiquitination / tertiary granule membrane / ficolin-1-rich granule membrane / protein K48-linked ubiquitination / specific granule membrane / positive regulation of autophagy / RING-type E3 ubiquitin transferase / ubiquitin-protein transferase activity / ubiquitin protein ligase activity / Antigen processing: Ubiquitination & Proteasome degradation / ubiquitin-dependent protein catabolic process / response to oxidative stress / proteasome-mediated ubiquitin-dependent protein catabolic process / calmodulin binding / endosome / protein stabilization / centrosome / Neutrophil degranulation / zinc ion binding / nucleoplasm / membrane / plasma membrane / cytosol / 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: 3.4 Å | |||||||||
![]() | Yang Z / Haakonsen DL / Rape M | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Molecular basis of SIFI activity in the integrated stress response. 著者: Zhi Yang / Diane L Haakonsen / Michael Heider / Samuel R Witus / Alex Zelter / Tobias Beschauner / Michael J MacCoss / Michael Rapé / ![]() ![]() ![]() 要旨: Chronic stress response activation impairs cell survival and causes devastating degenerative diseases. Organisms accordingly deploy silencing factors, such as the E3 ubiquitin ligase silencing factor ...Chronic stress response activation impairs cell survival and causes devastating degenerative diseases. Organisms accordingly deploy silencing factors, such as the E3 ubiquitin ligase silencing factor of the integrated stress response (SIFI), to terminate stress response signalling and ensure cellular homeostasis. How a silencing factor can sense stress across cellular scales to elicit timely stress response inactivation is poorly understood. Here we combine cryo-electron microscopy analysis of endogenous SIFI with AlphaFold modelling and biochemical studies to report the structural and mechanistic basis of the silencing of the integrated stress response. SIFI detects both stress indicators and stress response components through flexible domains within an easily accessible scaffold, before building linkage-specific ubiquitin chains at separate, sterically restricted elongation modules. Ubiquitin handover by a ubiquitin-like domain couples versatile substrate modification to linkage-specific ubiquitin polymer formation. Stress response silencing therefore exploits a catalytic mechanism that is geared towards processing many diverse proteins and therefore allows a single enzyme to monitor and, if needed, modulate a complex cellular state. | |||||||||
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 | ![]() | 506.7 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 18.5 KB 18.5 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 17.1 KB | 表示 | ![]() |
画像 | ![]() | 74.9 KB | ||
Filedesc metadata | ![]() | 7.8 KB | ||
その他 | ![]() ![]() | 498 MB 498 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 9nwdMC ![]() 9d9zC ![]() 9nweC C: 同じ文献を引用 ( M: このマップから作成された原子モデル |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
EMDBのページ | ![]() ![]() |
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マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||
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投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 0.832 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
-ハーフマップ: #1
ファイル | emd_46688_half_map_1.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: #2
ファイル | emd_46688_half_map_2.map | ||||||||||||
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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 : UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress...
全体 | 名称: UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress response, SiFI) |
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要素 |
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-超分子 #1: UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress...
超分子 | 名称: UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress response, SiFI) 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: ![]() |
分子量 | 理論値: 1.27 MDa |
-分子 #1: UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress...
分子 | 名称: UBR4-KCMF1-CaM complex (Silencing Factor of the Integrated stress response, SiFI) タイプ: protein_or_peptide / ID: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
配列 | 文字列: MATSGGEEAA AAAPAPGTPA TGADTTPGWE VAVRPLLSAS YSAFEMKELP QLVASVIESE SEILHHEKQY EPFYSSFVAL STHYITTVCS LIPRNQLQSV AAACKVLIEF SLLRLENPDE ACAVSQKHLI LLIKGLCTGC SRLDRTEIIT FTAMMKSAKL PQTVKTLSDV ...文字列: MATSGGEEAA AAAPAPGTPA TGADTTPGWE VAVRPLLSAS YSAFEMKELP QLVASVIESE SEILHHEKQY EPFYSSFVAL STHYITTVCS LIPRNQLQSV AAACKVLIEF SLLRLENPDE ACAVSQKHLI LLIKGLCTGC SRLDRTEIIT FTAMMKSAKL PQTVKTLSDV EDQKELASPV SPELRQKEVQ MNFLNQLTSV FNPRTVASQP ISTQTLVEGE NDEQSSTDQA SAIKTKNVFI AQNVASLQEL GGSEKLLRVC LNLPYFLRYI NRFQDAVLAN SFFIMPATVA DATAVRNGFH SLVIDVTMAL DTLSLPVLEP LNPSRLQDVT VLSLSCLYAG VSVATCMAIL HVGSAQQVRT GSTSSKEDDY ESDAATIVQK CLEIYDMIGQ AISSSRRAGG EHYQNFQLLG AWCLLNSLFL ILNLSPTALA DKGKEKDPLA ALRVRDILSR TKEGVGSPKL GPGKGHQGFG VLSVILANHA IKLLTSLFQD LQVEALHKGW ETDGPPAALS IMAQSTSIQR IQRLIDSVPL MNLLLTLLST SYRKACVLQR QRKGSMSSDA SASTDSNTYY EDDFSSTEED SSQDDDSEPI LGQWFEETIS PSKEKAAPPP PPPPPPLESS PRVKSPSKQA PGEKGNILAS RKDPELFLGL ASNILNFITS SMLNSRNNFI RNYLSVSLSE HHMATLASII KEVDKDGLKG SSDEEFAAAL YHFNHSLVTS DLQSPNLQNT LLQQLGVAPF SEGPWPLYIH PQSLSVLSRL LLIWQHKASA QGDPDVPECL KVWDRFLSTM KQNALQGVVP SETEDLNVEH LQMLLLIFHN FTETGRRAIL SLFVQIIQEL SVNMDAQMRF VPLILARLLL IFDYLLHQYS KAPVYLFEQV QHNLLSPPFG WASGSQDSNS RRATTPLYHG FKEVEENWSK HFSSDAVPHP RFYCVLSPEA SEDDLNRLDS VACDVLFSKL VKYDELYAAL TALLAAGSQL DTVRRKENKN VTALEACALQ YYFLILWRIL GILPPSKTYI NQLSMNSPEM SECDILHTLR WSSRLRISSY VNWIKDHLIK QGMKAEHASS LLELASTTKC SSVKYDVEIV EEYFARQISS FCSIDCTTIL QLHEIPSLQS IYTLDAAISK VQVSLDEHFS KMAAETDPHK SSEITKNLLP ATLQLIDTYA SFTRAYLLQN FNEEGTTEKP SKEKLQGFAA VLAIGSSRCK ANTLGPTLVQ NLPSSVQTVC ESWNNINTNE FPNIGSWRNA FANDTIPSES YISAVQAAHL GTLCSQSLPL AASLKHTLLS LVRLTGDLIV WSDEMNPPQV IRTLLPLLLE SSTESVAEIS SNSLERILGP AESDEFLARV YEKLITGCYN ILANHADPNS GLDESILEEC LQYLEKQLES SQARKAMEEF FSDSGELVQI MMATANENLS AKFCNRVLKF FTKLFQLTEK SPNPSLLHLC GSLAQLACVE PVRLQAWLTR MTTSPPKDSD QLDVIQENRQ LLQLLTTYIV RENSQVGEGV CAVLLGTLTP MATEMLANGD GTGFPELMVV MATLASAGQG AGHLQLHNAA VDWLSRCKKY LSQKNVVEKL NANVMHGKHV MILECTCHIM SYLADVTNAL SQSNGQGPSH LSVDGEERAI EVDSDWVEEL AVEEEDSQAE DSDEDSLCNK LCTFTITQKE FMNQHWYHCH TCKMVDGVGV CTVCAKVCHK DHEISYAKYG SFFCDCGAKE DGSCLALVKR TPSSGMSSTM KESAFQSEPR ISESLVRHAS TSSPADKAKV TISDGKVADE EKPKKSSLCR TVEGCREELQ NQANFSFAPL VLDMLNFLMD AIQTNFQQAS AVGSSSRAQQ ALSELHTVEK AVEMTDQLMV PTLGSQEGAF ENVRMNYSGD QGQTIRQLIS AHVLRRVAMC VLSSPHGRRQ HLAVSHEKGK ITVLQLSALL KQADSSKRKL TLTRLASAPV PFTVLSLTGN PCKEDYLAVC GLKDCHVLTF SSSGSVSDHL VLHPQLATGN FIIKAVWLPG SQTELAIVTA DFVKIYDLCV DALSPTFYFL LPSSKIRDVT FLFNEEGKNI IVIMSSAGYI YTQLMEEASS AQQGPFYVTN VLEINHEDLK DSNSQVAGGG VSVYYSHVLQ MLFFSYCQGK SFAATISRTT LEVLQLFPIN IKSSNGGSKT SPALCQWSEV MNHPGLVCCV QQTTGVPLVV MVKPDTFLIQ EIKTLPAKAK IQDMVAIRHT ACNEQQRTTM ILLCEDGSLR IYMANVENTS YWLQPSLQPS SVISIMKPVR KRKTATITTR TSSQVTFPID FFEHNQQLTD VEFGGNDLLQ VYNAQQIKHR LNSTGMYVAN TKPGGFTIEI SNNNSTMVMT GMRIQIGTQA IERAPSYIEI FGRTMQLNLS RSRWFDFPFT REEALQADKK LNLFIGASVD PAGVTMIDAV KIYGKTKEQF GWPDEPPEEF PSASVSNICP SNLNQSNGTG DSDSAAPTTT SGTVLERLVV SSLEALESCF AVGPIIEKER NKNAAQELAT LLLSLPAPAS VQQQSKSLLA SLHTSRSAYH SHKDQALLSK AVQCLNTSSK EGKDLDPEVF QRLVITARSI AIMRPNNLVH FTESKLPQME TEGMDEGKEP QKQLEGDCCS FITQLVNHFW KLHASKPKNA FLAPACLPGL THIEATVNAL VDIIHGYCTC ELDCINTASK IYMQMLLCPD PAVSFSCKQA LIRVLRPRNK RRHVTLPSSP RSNTPMGDKD DDDDDDADEK MQSSGIPNGG HIRQESQEQS EVDHGDFEMV SESMVLETAE NVNNGNPSPL EALLAGAEGF PPMLDIPPDA DDETMVELAI ALSLQQDQQG SSSSALGLQS LGLSGQAPSS SSLDAGTLSD TTASAPASDD EGSTAATDGS TLRTSPADHG GSVGSESGGS AVDSVAGEHS VSGRSSAYGD ATAEGHPAGP GSVSSSTGAI STTTGHQEGD GSEGEGEGET EGDVHTSNRL HMVRLMLLER LLQTLPQLRN VGGVRAIPYM QVILMLTTDL DGEDEKDKGA LDNLLSQLIA ELGMDKKDVS KKNERSALNE VHLVVMRLLS VFMSRTKSGS KSSICESSSL ISSATAAALL SSGAVDYCLH VLKSLLEYWK SQQNDEEPVA TSQLLKPHTT SSPPDMSPFF LRQYVKGHAA DVFEAYTQLL TEMVLRLPYQ IKKITDTNSR IPPPVFDHSW FYFLSEYLMI QQTPFVRRQV RKLLLFICGS KEKYRQLRDL HTLDSHVRGI KKLLEEQGIF LRASVVTASS GSALQYDTLI SLMEHLKACA EIAAQRTINW QKFCIKDDSV LYFLLQVSFL VDEGVSPVLL QLLSCALCGS KVLAALAASS GSSSASSSSA PVAASSGQAT TQSKSSTKKS KKEEKEKEKD GETSGSQEDQ LCTALVNQLN KFADKETLIQ FLRCFLLESN SSSVRWQAHC LTLHIYRNSS KSQQELLLDL MWSIWPELPA YGRKAAQFVD LLGYFSLKTP QTEKKLKEYS QKAVEILRTQ NHILTNHPNS NIYNTLSGLV EFDGYYLESD PCLVCNNPEV PFCYIKLSSI KVDTRYTTTQ QVVKLIGSHT ISKVTVKIGD LKRTKMVRTI NLYYNNRTVQ AIVELKNKPA RWHKAKKVQL TPGQTEVKID LPLPIVASNL MIEFADFYEN YQASTETLQC PRCSASVPAN PGVCGNCGEN VYQCHKCRSI NYDEKDPFLC NACGFCKYAR FDFMLYAKPC CAVDPIENEE DRKKAVSNIN TLLDKADRVY HQLMGHRPQL ENLLCKVNEA APEKPQDDSG TAGGISSTSA SVNRYILQLA QEYCGDCKNS FDELSKIIQK VFASRKELLE YDLQQREAAT KSSRTSVQPT FTASQYRALS VLGCGHTSST KCYGCASAVT EHCITLLRAL ATNPALRHIL VSQGLIRELF DYNLRRGAAA MREEVRQLMC LLTRDNPEAT QQMNDLIIGK VSTALKGHWA NPDLASSLQY EMLLLTDSIS KEDSCWELRL RCALSLFLMA VNIKTPVVVE NITLMCLRIL QKLIKPPAPT SKKNKDVPVE ALTTVKPYCN EIHAQAQLWL KRDPKASYDA WKKCLPIRGI DGNGKAPSKS ELRHLYLTEK YVWRWKQFLS RRGKRTSPLD LKLGHNNWLR QVLFTPATQA ARQAACTIVE ALATIPSRKQ QVLDLLTSYL DELSIAGECA AEYLALYQKL ITSAHWKVYL AARGVLPYVG NLITKEIARL LALEEATLST DLQQGYALKS LTGLLSSFVE VESIKRHFKS RLVGTVLNGY LCLRKLVVQR TKLIDETQDM LLEMLEDMTT GTESETKAFM AVCIETAKRY NLDDYRTPVF IFERLCSIIY PEENEVTEFF VTLEKDPQQE DFLQGRMPGN PYSSNEPGIG PLMRDIKNKI CQDCDLVALL EDDSGMELLV NNKIISLDLP VAEVYKKVWC TTNEGEPMRI VYRMRGLLGD ATEEFIESLD STTDEEEDEE EVYKMAGVMA QCGGLECMLN RLAGIRDFKQ GRHLLTVLLK LFSYCVKVKV NRQQLVKLEM NTLNVMLGTL NLALVAEQES KDSGGAAVAE QVLSIMEIIL DESNAEPLSE DKGNLLLTGD KDQLVMLLDQ INSTFVRSNP SVLQGLLRII PYLSFGEVEK MQILVERFKP YCNFDKYDED HSGDDKVFLD CFCKIAAGIK NNSNGHQLKD LILQKGITQN ALDYMKKHIP SAKNLDADIW KKFLSRPALP FILRLLRGLA IQHPGTQVLI GTDSIPNLHK LEQVSSDEGI GTLAENLLEA LREHPDVNKK IDAARRETRA EKKRMAMAMR QKALGTLGMT TNEKGQVVTK TALLKQMEEL IEEPGLTCCI CREGYKFQPT KVLGIYTFTK RVALEEMENK PRKQQGYSTV SHFNIVHYDC HLAAVRLARG REEWESAALQ NANTKCNGLL PVWGPHVPES AFATCLARHN TYLQECTGQR EPTYQLNIHD IKLLFLRFAM EQSFSADTGG GGRESNIHLI PYIIHTVLYV LNTTRATSRE EKNLQGFLEQ PKEKWVESAF EVDGPYYFTV LALHILPPEQ WRATRVEILR RLLVTSQARA VAPGGATRLT DKAVKDYSAY RSSLLFWALV DLIYNMFKKV PTSNTEGGWS CSLAEYIRHN DMPIYEAADK ALKTFQEEFM PVETFSEFLD VAGLLSEITD PESFLKDLLN SVP |
-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 |
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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: 60.0 e/Å2 |
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): 2.6 µm / 最小 デフォーカス(公称値): 0.8 µm |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |