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データを開く
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基本情報
登録情報 | データベース: EMDB / ID: EMD-8303 | |||||||||
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タイトル | Structure of rabbit RyR2 in complex with FKBP12.6 in a closed state (conformation C1) | |||||||||
![]() | Ryanodine Receptor | |||||||||
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![]() | Calcium Release Channel / Ryanodine Receptor / TRANSPORT PROTEIN-ISOMERASE complex | |||||||||
機能・相同性 | ![]() positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / insulin secretion involved in cellular response to glucose stimulus / cell communication by electrical coupling involved in cardiac conduction / response to redox state / protein maturation by protein folding / 'de novo' protein folding ...positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / insulin secretion involved in cellular response to glucose stimulus / cell communication by electrical coupling involved in cardiac conduction / response to redox state / protein maturation by protein folding / 'de novo' protein folding / negative regulation of heart rate / negative regulation of phosphoprotein phosphatase activity / FK506 binding / positive regulation of axon regeneration / : / smooth muscle contraction / negative regulation of ryanodine-sensitive calcium-release channel activity / response to vitamin E / calcium channel inhibitor activity / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / protein peptidyl-prolyl isomerization / T cell proliferation / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / release of sequestered calcium ion into cytosol / Ion homeostasis / regulation of ryanodine-sensitive calcium-release channel activity / sarcoplasmic reticulum membrane / calcium channel complex / regulation of cytosolic calcium ion concentration / peptidylprolyl isomerase / peptidyl-prolyl cis-trans isomerase activity / response to hydrogen peroxide / Stimuli-sensing channels / Z disc / positive regulation of cytosolic calcium ion concentration / protein refolding / transmembrane transporter binding / signaling receptor binding / membrane / cytoplasm / cytosol 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: 11.0 Å | |||||||||
![]() | Lobo JJ / Dhindwal S / Samso M | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: A cryo-EM-based model of phosphorylation- and FKBP12.6-mediated allosterism of the cardiac ryanodine receptor. 著者: Sonali Dhindwal / Joshua Lobo / Vanessa Cabra / Demetrio J Santiago / Ashok R Nayak / Kelly Dryden / Montserrat Samsó / ![]() 要旨: Type 2 ryanodine receptors (RyR2s) are calcium channels that play a vital role in triggering cardiac muscle contraction by releasing calcium from the sarcoplasmic reticulum into the cytoplasm. ...Type 2 ryanodine receptors (RyR2s) are calcium channels that play a vital role in triggering cardiac muscle contraction by releasing calcium from the sarcoplasmic reticulum into the cytoplasm. Several cardiomyopathies are associated with the abnormal functioning of RyR2. We determined the three-dimensional structure of rabbit RyR2 in complex with the regulatory protein FKBP12.6 in the closed state at 11.8 Å resolution using cryo-electron microscopy and built an atomic model of RyR2. The heterogeneity in the data set revealed two RyR2 conformations that we proposed to be related to the extent of phosphorylation of the P2 domain. Because the more flexible conformation may correspond to RyR2 with a phosphorylated P2 domain, we suggest that phosphorylation may set RyR2 in a conformation that needs less energy to transition to the open state. Comparison of RyR2 from cardiac muscle and RyR1 from skeletal muscle showed substantial structural differences between the two, especially in the helical domain 2 (HD2) structure forming the Clamp domain, which participates in quaternary interactions with the dihydropyridine receptor and neighboring RyRs in RyR1 but not in RyR2. Rigidity of the HD2 domain of RyR2 was enhanced by binding of FKBP12.6, a ligand that stabilizes RyR2 in the closed state. These results help to decipher the molecular basis of the different mechanisms of activation and oligomerization of the RyR isoforms and could be extended to RyR complexes in other tissues. | |||||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | EMマップ: ![]() ![]() ![]() |
添付画像 |
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マップデータ | ![]() | 136.4 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 21.2 KB 21.2 KB | 表示 表示 | ![]() |
画像 | ![]() ![]() | 128.8 KB 97.9 KB | ||
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-検証レポート
文書・要旨 | ![]() | 399.3 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 398.9 KB | 表示 | |
XML形式データ | ![]() | 7.3 KB | 表示 | |
CIF形式データ | ![]() | 8.3 KB | 表示 | |
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-関連構造データ
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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 | Ryanodine Receptor | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.34 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
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試料の構成要素
-全体 : Ryanodine Receptor - FKBP12.6
全体 | 名称: Ryanodine Receptor - FKBP12.6 |
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要素 |
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-超分子 #1: Ryanodine Receptor - FKBP12.6
超分子 | 名称: Ryanodine Receptor - FKBP12.6 / 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: 2.26 MDa |
-分子 #1: Ryanodine Receptor
分子 | 名称: Ryanodine Receptor / タイプ: protein_or_peptide / ID: 1 / コピー数: 4 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 487.120906 KDa |
配列 | 文字列: MADGGEGEDE IQFLRTDDEV VLQCTATIHK EQQKLCLAAE GFGNRLCFLE STSNSKNVPP DLSICTFVLE QSLLVRALQE MLANTVEKS EGQVDVEKWK FMMKTAQGGG HRTLLYGHAI LLRHSYSGMY LCCLSTSRSS TDKLAFDVGL QEDTTGEACW W TIHPASKQ ...文字列: MADGGEGEDE IQFLRTDDEV VLQCTATIHK EQQKLCLAAE GFGNRLCFLE STSNSKNVPP DLSICTFVLE QSLLVRALQE MLANTVEKS EGQVDVEKWK FMMKTAQGGG HRTLLYGHAI LLRHSYSGMY LCCLSTSRSS TDKLAFDVGL QEDTTGEACW W TIHPASKQ RSEGEKVRVG DDLILVSVSS ERYLHLSYGN GSLHVDAAFQ QTLWSVAPIS SGSEAAQGYL IGGDVLRLLH GH MDECLTV PSGEHGEEQR RTVHYEGGAV SVHARSLWRL ETLRVAWSGS HIRWGQPFRL RHVTTGKYLS LMEDKNLLLM DKE KADVKS TAFTFRSSKE KLDGGVRKEV DGMGTSEIKY GDSICYIQHV DTGLWLTYQS VDVKSVRMGS IQRKAIMHHE GHMD DGLNL SRSQHEESRT ARVIRSTVFL FNRFIRGLDA LSKKAKASSV DLPIESVSLS LQDLIGYFHP PDEHLEHEDK QNRLR ALKN RQNLFQEEGM INLVLECIDR LHVYSSAAHF ADVAGREAGE SWKSILNSLY ELLAALIRGN RKNCAQFSGS LDWLIS RLE RLEASSGILE VLHCVLVESP EALNIIKEGH IKSIISLLDK HGRNHKVLDV LCSLCVCHGV AVRSNQHLIC DNLLPGR DL LLQTRLVNHV SSMRPNIFLG VSEGSAQYKK WYYELMVDHT EPFVTAEATH LRVGWASTEG YSPYPGGGEE WGGNGVGD D LFSYGFDGLH LWSGCIARTV SSPNQHLLRT DDVISCCLDL SAPSISFRIN GQPVQGMFEN FNIDGLFFPV VSFSAGIKV RFLLGGRHGE FKFLPPPGYA PCYEAVLPKE KLKVEHSREY KQERTYTRDL LGPTVSLTQA AFTPIPVDTS QIVLPPHLER IREKLAENI HELWVMNKIE LGWQYGPVRD DNKRQHPCLV EFSKLPEQER NYNLQMSLET LKTLLALGCH VGISDEHAEE K VKKMKLPK NYQLTSGYKP APMDLSFIKL TPSQEAMVDK LAENAHNVWA RDRIRQGWTY GIQQDVKNRR NPRLVPYTLL DD RTKKSNK DSLREAVRTL LGYGYNLEAP DQDHAARAEV CSGTGERFRI FRAEKTYAVK AGRWYFEFEA VTSGDMRVGW SRP GCQPDQ ELGSDERAFA FDGFKAQRWH QGNEHYGRSW QAGDVVGCMV DMNEHTMMFT LNGEILLDDS GSELAFKDFD VGDG FIPVC SLGVAQVGRM NFGKDVSTLK YFTICGLQEG YEPFAVNTNR DITMWLSKRL PQFLQVPSNH EHIEVTRIDG TIDSS PCLK VTQKSFGSQN SNTDIMFYRL SMPIECAEVF SKTVPGGLPG AGLFGPKNDL EDYDADSDFE VLMKTAHGHL VPDRVD KDK ETTKAEFNNH KDYAQEKPSR LKQRFLLRRT KPDYSTSHSA RLTEDVLADD RDDYDFLMQT STYYYSVRIF PGQEPAN VW VGWITSDFHQ YDTGFDLDRV RTVTVTLGDE KGKVHESIKR SN(UNK)(UNK)(UNK)(UNK)(UNK)NNN GLEIGCVV D AASGLLTFIA NGKELSTYYQ VEPSTKLFPA VFAQATSPNV FQFELGRIKN VMPLSAGLFK SEHKNPVPQC PPRLHVQFL SHVLWSRMPN QFLKVDVSRI SERQGWLVQC LDPLQFMSLH IPEENRSVDI LELTEQEELL KFHYHTLRLY SAVCALGNHR VAHALCSHV DEPQLLYAIE NKYMPGLLRT GYYDLLIDIH LSSYATARLM MNNEFIVPMT EETKSITLFP DENKKHGLPG I GLSTSLRP RMQFSSPSFV SINNECYQYS PEFPLDILKA KTIQMLTEAV KEGSLHGRDP VGGTTEFLFV PLIKLFYTLL IM GIFHNED LRHILQLIEP SVFKDAATPE EEGDTLEEEP SVEDTKLEGA GEEEAKVGKR PKEGLLQMKL PEPVKLQMCL LLQ YLCDCQ VRHRIEAIVA FSDDFVAKLQ DNQRFR(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)LTIRGRLL SLVEKVTYLK KKQTEKPVES DSRKSSTLQQ LISETMVRWA QE SVIEDPE LVRAMFVLLH RQYDGIGGLV RALPKTYTIN GVSVEDTINL LASLGQIRSL LSVRMGKEEE KLMIRGLGDI MNN KVFYQH PNLMRALGMH ETVMEVMVNV LGGGESKEIT FPKMVANCCR FLCYFCRISR QNQKAMFDHL SYLLENSSVG LASP AMRGS TPLDVAAASV MDNNELALAL REPDLEKVVV RYLAGCGLQS CQMLVSKGYP DIGWNPVEGE RYLDFLRFAV FCNGE SVEE NANVVVRLLI RRPECFGPAL RGEGGNGLLA AMEEAIKIAE DPSRDGPSPT SGSSKTLDTE EEEDDTIHMG NAIMTF YAA LIDLLGRCAP EMHLIHAGKG EAIRIRSILR SL(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)FCP DHKAAMVLFL DRVYGIEVQD FLLHLLEVGF LPDLRAAASL DTAALSATDM AL ALNRYLC TAVLPLL(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)FN PQP VDTSNI IIPEKLEYFI NKYAEHSHDK WSMDKLANGW IYGEIYSDSS KIQPLMKPYK LLSEKEKEIY RWPIKESLKT MLAW GWRIE RTREGDSMAL YNRTRRISQT SQVSVDAAHG YSPRAIDMSN VTLSRDLHAM AEMMAENYHN IWAKKKKLEL ESKGG GNHP LLVPYDTLTA KEKAKDREKA QDILKFLQIN GYAVSRG(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)P RHRAVNLFLQ GYEKSWIETE EHYFEDKLIE DLAKPGAEPP EEDEVTKRVD PLHQLILLFS RTALTEKCK LEEDFLYMAY ADIMAKSCHD EEDDDGEEEV KSFEEKEMEK QKLLYQQARL HDRGAAEMVL QTISASKGET GPMVAATLKL GIAILNGGN STVQQKMLDY LKEKKDVGFF QSLAGLMQSC SVLDLNAFER QNKAEGLGMV TEEGSGEKVL QDDEFTCDLF R FLQLLCEG HNSDFQNYLR TQTGNNTTVN IIISTVDYLL RVQESISDFY WYYSGKDVID EQGQRNFSKA IQVAKQVFNT LT EYIQGPC TGNQQSLAHS RLWDAVVGFL HVFAHMQMKL SQDSSQIELL KELMDLQKDM VVMLLSMLEG NVVNGTIGKQ MVD MLVESS NNVEMILKFF DMFLKLKDLT SSDTFKEYDP DGKGIISKRD FHKAMESHKH YTQSETEFLL SCAETDENET LDYE EFVKR FHEPAKDIGF NVAVLLTNLS EHMPNDTRLQ TFLELAESVL NYFQPFLGRI EIMGSAKRIE RVYFEISESS RTQWE KPQV KESKRQFIFD VVNEGGEKEK MELFVNFCED TIFEMQLAAQ ISESDLNERS ANKEESEKER PEEQGPKMGF FSVLTV RSA LFALRYNILT LMRMLSLKSL KKQMKKMKKM TVKDMVTAFF SSYWSIFMTL LHFVASVFRG FFRIVCSLLL GGSLVEG AK KIKVAELLAN MPDPTQDEVR GDGEEGERKP METTLPSEDL TDLKELTEES DLLSDIFGLD LKREGGQYKL IPHNPNAG L SDLMSNPVLI PEEQEKFQEQ KTKEEEKEEK EETKSEPEKA EGEDGEKEEK VKEDKGKQKL RQLHTHRYGE PEVPESAFW KKIIAYQQKL LNYLARNFYN MRMLALFVAF AINFILLFYK VSTSSVVEGK ELPSRSTSEN AKVTTSLDSS SHRIIAVHYV LEESSGYME PTLRILAILH TVISFFCIIG YYCLKVPLVI FKREKEVARK LEFDGLYITE QPSEDDIKGQ WDRLVINTQS F PNNYWDKF VKRKVMDKYG EFYGRDRISE LLGMDKAALD FSDAREKKKP KKDSSLSAVL NSIDVKYQMW KLGVVFTDNS FL YLAWYMT MSILGHYNNF FFAAHLLDIA MGFKTLRTIL SSVTHNGKQL VLTVGLLAVV VYLYTVVAFN FFRKFYNKSE DGD TPDMKC DDMLTCYMFH MYVGVRAGGG IGDEIEDPAG DEYEIYRIIF DITFFFFVIV ILLAIIQGLI IDAFGELRDQ QEQV KEDME TKCFICGIGN DYFDTVPHGF ETHTLQEHNL ANYLFFLMYL INKDETEHTG QESYVWKMYQ ERCWEFFPAG DCFRK QYED QLN |
-分子 #2: Peptidyl-prolyl cis-trans isomerase FKBP1B
分子 | 名称: Peptidyl-prolyl cis-trans isomerase FKBP1B / タイプ: protein_or_peptide / ID: 2 / コピー数: 4 / 光学異性体: LEVO / EC番号: peptidylprolyl isomerase |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 17.645984 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MNHKVHHHHH HMDEKTTGWR GGHVVEGLAG ELEQLRARLE HHPQGQREPE LGVEIETISP GDGRTFPKKG QTCVVHYTGM LQNGKKFDS SRDRNKPFKF RIGKQEVIKG FEEGAAQMSL GQRAKLTCTP DVAYGATGHP GVIPPNATLI FDVELLNLE UniProtKB: Peptidyl-prolyl cis-trans isomerase FKBP1B |
-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
濃度 | 0.1 mg/mL | ||||||||||||||||||
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緩衝液 | pH: 7.4 構成要素:
詳細: 1x Protease Inhibitor cocktail | ||||||||||||||||||
グリッド | モデル: Quantifoil R1.2/1.3 / 材質: COPPER / メッシュ: 400 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: CONTINUOUS / 支持フィルム - Film thickness: 20 | ||||||||||||||||||
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 95 % / チャンバー内温度: 295.15 K / 装置: FEI VITROBOT MARK IV 詳細: Blot for 2 seconds before plunging into liquid ethane (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: FEI FALCON II (4k x 4k) 検出モード: OTHER / デジタル化 - サイズ - 横: 4096 pixel / デジタル化 - サイズ - 縦: 4096 pixel / デジタル化 - 画像ごとのフレーム数: 1-7 / 撮影したグリッド数: 1 / 実像数: 858 / 平均露光時間: 1.2 sec. / 平均電子線量: 20.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 倍率(補正後): 62000 / 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / Cs: 2.7 mm / 最大 デフォーカス(公称値): 6.0 µm / 最小 デフォーカス(公称値): 2.0 µm / 倍率(公称値): 59000 |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
-原子モデル構築 1
精密化 | 空間: RECIPROCAL / プロトコル: RIGID BODY FIT |
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得られたモデル | ![]() PDB-5l1d: |