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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-6803 | |||||||||||||||
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タイトル | Cryo-EM structure of Human DNA-PK Holoenzyme | |||||||||||||||
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![]() | Cryo-EM structure / DNA-PK / DNAPKcs / activation / NHEJ / DNA BINDING PROTEIN | |||||||||||||||
機能・相同性 | ![]() Ku70:Ku80 complex / negative regulation of t-circle formation / positive regulation of platelet formation / DNA end binding / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity ...Ku70:Ku80 complex / negative regulation of t-circle formation / positive regulation of platelet formation / DNA end binding / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity / DNA-dependent protein kinase complex / immature B cell differentiation / DNA-dependent protein kinase-DNA ligase 4 complex / cellular response to X-ray / immunoglobulin V(D)J recombination / nonhomologous end joining complex / DNA ligation / regulation of smooth muscle cell proliferation / nuclear telomere cap complex / Cytosolic sensors of pathogen-associated DNA / double-strand break repair via classical nonhomologous end joining / regulation of epithelial cell proliferation / IRF3-mediated induction of type I IFN / telomere capping / recombinational repair / regulation of telomere maintenance / regulation of hematopoietic stem cell differentiation / U3 snoRNA binding / positive regulation of neurogenesis / cellular response to fatty acid / hematopoietic stem cell proliferation / protein localization to chromosome, telomeric region / cellular hyperosmotic salinity response / T cell lineage commitment / negative regulation of cGAS/STING signaling pathway / telomeric DNA binding / maturation of 5.8S rRNA / positive regulation of catalytic activity / B cell lineage commitment / double-strand break repair via alternative nonhomologous end joining / 2-LTR circle formation / positive regulation of double-strand break repair via nonhomologous end joining / site of DNA damage / 付加脱離酵素(リアーゼ); 炭素-酸素リアーゼ類; その他の炭素-酸素リアーゼ / 5'-deoxyribose-5-phosphate lyase activity / hematopoietic stem cell differentiation / positive regulation of protein kinase activity / ectopic germ cell programmed cell death / ATP-dependent activity, acting on DNA / somitogenesis / DNA helicase activity / : / enzyme activator activity / mitotic G1 DNA damage checkpoint signaling / positive regulation of telomere maintenance via telomerase / activation of innate immune response / telomere maintenance / cyclin binding / neurogenesis / positive regulation of erythrocyte differentiation / negative regulation of protein phosphorylation / cellular response to leukemia inhibitory factor / positive regulation of translation / response to gamma radiation / protein-DNA complex / Nonhomologous End-Joining (NHEJ) / small-subunit processome / peptidyl-threonine phosphorylation / 加水分解酵素; 酸無水物に作用; 酸無水物に作用・細胞または細胞小器官の運動に関与 / protein destabilization / protein modification process / regulation of circadian rhythm / brain development / cellular response to gamma radiation / double-strand break repair via nonhomologous end joining / cellular response to insulin stimulus / intrinsic apoptotic signaling pathway in response to DNA damage / double-strand break repair / rhythmic process / E3 ubiquitin ligases ubiquitinate target proteins / heart development / T cell differentiation in thymus / scaffold protein binding / double-stranded DNA binding / peptidyl-serine phosphorylation / secretory granule lumen / DNA recombination / RNA polymerase II-specific DNA-binding transcription factor binding / ficolin-1-rich granule lumen / transcription regulator complex / chromosome, telomeric region / damaged DNA binding / non-specific serine/threonine protein kinase / transcription cis-regulatory region binding / protein kinase activity / ribonucleoprotein complex / response to xenobiotic stimulus / positive regulation of apoptotic process / protein domain specific binding / protein phosphorylation 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: 6.6 Å | |||||||||||||||
![]() | Yin X / Liu M | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Cryo-EM structure of human DNA-PK holoenzyme. 著者: Xiaotong Yin / Mengjie Liu / Yuan Tian / Jiawei Wang / Yanhui Xu / ![]() 要旨: DNA-dependent protein kinase (DNA-PK) is a serine/threonine protein kinase complex composed of a catalytic subunit (DNA-PKcs) and KU70/80 heterodimer bound to DNA. DNA-PK holoenzyme plays a critical ...DNA-dependent protein kinase (DNA-PK) is a serine/threonine protein kinase complex composed of a catalytic subunit (DNA-PKcs) and KU70/80 heterodimer bound to DNA. DNA-PK holoenzyme plays a critical role in non-homologous end joining (NHEJ), the major DNA repair pathway. Here, we determined cryo-electron microscopy structure of human DNA-PK holoenzyme at 6.6 Å resolution. In the complex structure, DNA-PKcs, KU70, KU80 and DNA duplex form a 650-kDa heterotetramer with 1:1:1:1 stoichiometry. The N-terminal α-solenoid (∼2 800 residues) of DNA-PKcs adopts a double-ring fold and connects the catalytic core domain of DNA-PKcs and KU70/80-DNA. DNA-PKcs and KU70/80 together form a DNA-binding tunnel, which cradles ∼30-bp DNA and prevents sliding inward of DNA-PKcs along with DNA duplex, suggesting a mechanism by which the broken DNA end is protected from unnecessary processing. Structural and biochemical analyses indicate that KU70/80 and DNA coordinately induce conformational changes of DNA-PKcs and allosterically stimulate its kinase activity. We propose a model for activation of DNA-PKcs in which allosteric signals are generated upon DNA-PK holoenzyme formation and transmitted to the kinase domain through N-terminal HEAT repeats and FAT domain of DNA-PKcs. Our studies suggest a mechanism for recognition and protection of broken DNA ends and provide a structural basis for understanding the activation of DNA-PKcs and DNA-PK-mediated NHEJ pathway. | |||||||||||||||
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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画像 | ![]() | 116.9 KB | ||
Filedesc metadata | ![]() | 9 KB | ||
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-検証レポート
文書・要旨 | ![]() | 382.1 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 381.6 KB | 表示 | |
XML形式データ | ![]() | 11.5 KB | 表示 | |
CIF形式データ | ![]() | 15.2 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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ファイル | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | None | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 1.3 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 : PRKDC-Helix
全体 | 名称: PRKDC-Helix |
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要素 |
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-超分子 #1: PRKDC-Helix
超分子 | 名称: PRKDC-Helix / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#6 |
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由来(天然) | 生物種: ![]() |
-分子 #1: X-ray repair cross-complementing protein 6
分子 | 名称: X-ray repair cross-complementing protein 6 / タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO EC番号: 加水分解酵素; 酸無水物に作用; 酸無水物に作用・細胞または細胞小器官の運動に関与 |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 57.619352 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: GRDSLIFLVD ASKAMFESQS EDELTPFDMS IQCIQSVYIS KIISSDRDLL AVVFYGTEKD KNSVNFKNIY VLQELDNPGA KRILELDQF KGQQGQKRFQ DMMGHGSDYS LSEVLWVCAN LFSDVQFKMS HKRIMLFTNE DNPHGNDSAK ASRARTKAGD L RDTGIFLD ...文字列: GRDSLIFLVD ASKAMFESQS EDELTPFDMS IQCIQSVYIS KIISSDRDLL AVVFYGTEKD KNSVNFKNIY VLQELDNPGA KRILELDQF KGQQGQKRFQ DMMGHGSDYS LSEVLWVCAN LFSDVQFKMS HKRIMLFTNE DNPHGNDSAK ASRARTKAGD L RDTGIFLD LMHLKKPGGF DISLFYRDII SIAEDEDLRV HFEESSKLED LLRKVRAKET RKRALSRLKL KLNKDIVISV GI YNLVQKA LKPPPIKLYR ETNEPVKTKT RTFNTSTGGL LLPSDTKRSQ IYGSRQIILE KEETEELKRF DDPGLMLMGF KPL VLLKKH HYLRPSLFVY PEESLVIGSS TLFSALLIKC LEKEVAALCR YTPRRNIPPY FVALVPQEEE LDDQKIQVTP PGFQ LVFLP FADDKRKMPF TEKIMATPEQ VGKMKAIVEK LRFTYRSDSF ENPVLQQHFR NLEALALDLM EPEQAVDLTL PKVEA MNKR LGSLVDEFKE LVYPPDY UniProtKB: X-ray repair cross-complementing protein 6 |
-分子 #2: X-ray repair cross-complementing protein 5
分子 | 名称: X-ray repair cross-complementing protein 5 / タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO EC番号: 加水分解酵素; 酸無水物に作用; 酸無水物に作用・細胞または細胞小器官の運動に関与 |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 60.972969 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: NKAAVVLCMD VGFTMSNSIP GIESPFEQAK KVITMFVQRQ VFAENKDEIA LVLFGTDGTD NPLSGGDQYQ NITVHRHLML PDFDLLEDI ESKIQPGSQQ ADFLDALIVS MDVIQHETIG KKFEKRHIEI FTDLSSRFSK SQLDIIIHSL KKCDISLQFF L PFSLGKED ...文字列: NKAAVVLCMD VGFTMSNSIP GIESPFEQAK KVITMFVQRQ VFAENKDEIA LVLFGTDGTD NPLSGGDQYQ NITVHRHLML PDFDLLEDI ESKIQPGSQQ ADFLDALIVS MDVIQHETIG KKFEKRHIEI FTDLSSRFSK SQLDIIIHSL KKCDISLQFF L PFSLGKED GSGDRGDGPF RLGGHGPSFP LKGITEQQKE GLEIVKMVMI SLEGEDGLDE IYSFSESLRK LCVFKKIERH SI HWPCRLT IGSNLSIRIA AYKSILQERV KKTWTVVDAK TLKKEDIQKE TVYCLNDDDE TEVLKEDIIQ GFRYGSDIVP FSK VDEEQM KYKSEGKCFS VLGFCKSSQV QRRFFMGNQV LKVFAARDDE AAAVALSSLI HALDDLDMVA IVRYAYDKRA NPQV GVAFP HIKHNYECLV YVQLPFMEDL RQYMFSSLKN SKKYAPTEAQ LNAVDALIDS MSLAKKDEKT DTLEDLFPTT KIPNP RFQR LFQCLLHRAL HPREPLPPIQ QHIWNMLNPP AEVTTKSQIP LSKIKTLFPL IE UniProtKB: X-ray repair cross-complementing protein 5 |
-分子 #3: PRKDC-Helix
分子 | 名称: PRKDC-Helix / 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: 1.084182 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: AAAAAAAAAA AAAAA |
-分子 #6: DNA-dependent protein kinase catalytic subunit
分子 | 名称: DNA-dependent protein kinase catalytic subunit / タイプ: protein_or_peptide / ID: 6 / コピー数: 1 / 光学異性体: LEVO / EC番号: non-specific serine/threonine protein kinase |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 468.885344 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: CSLLRLQETL SAADRCGAAL AGHQLIRGLG QECVLSSSPA VLALQTSLVF SRDFGLLVFV RKSLNSIEFR ECREEILKFL CIFLEKMGQ KIAPYSVEIK NTCTSVYTKD RAAKCKIPAL DLLIKLLQTF RSSRLMDEFK IGELFSKFYG ELALKKKIPD T VLEKVYEL ...文字列: CSLLRLQETL SAADRCGAAL AGHQLIRGLG QECVLSSSPA VLALQTSLVF SRDFGLLVFV RKSLNSIEFR ECREEILKFL CIFLEKMGQ KIAPYSVEIK NTCTSVYTKD RAAKCKIPAL DLLIKLLQTF RSSRLMDEFK IGELFSKFYG ELALKKKIPD T VLEKVYEL LGLLGEVHPS EMINNAENLF RAFLGELKTQ MTSAVREPKL PVLAGCLKGL SSLLCNFTKS MEEDPQTSRE IF NFVLKAI RPQIDLKRYA VPSAGLRLFA LHASQFSTCL LDNYVSLFEV LLKWCAHTNV ELKKAALSAL ESFLKQVSNM VAK NAEMHK NKLQYFMEQF YGIIRNVDSN NKELSIAIRG YGLFAGPCKV INAKDVDFMY VELIQRCKQM FLTQTDTGDD RVYQ MPSFL QSVASVLLYL DTVPEVYTPV LEHLVVMQID SFPQYSPKMQ LVCCRAIVKV FLALAAKGPV LRNCISTVVH QGLIR ICSK PVVLPKGPES ESEDHRASGE VRTGKWKVPT YKDYVDLFRH LLSSDQMMDS ILADEAFFSV NSSSESLNHL LYDEFV KSV LKIVEKLDLT LEIQTVGEQE NGDEAPGVWM IPTSDPAANL HPAKPKDFSA FINLVEFCRE ILPEKQAEFF EPWVYSF SY ELILQSTRLP LISGFYKLLS ITVRNAKKIK YFEGVSPKSL KHSPEDPEKY SCFALFVKFG KEVAVKMKQY KDELLASC L TFLLSLPHNI IELDVRAYVP ALQMAFKLGL SYTPLAEVGL NALEEWSIYI DRHVMQPYYK DILPCLDGYL KTSALSDET KNNWEVSALS RAAQKGFNKV VLKHLKKTKN LSSNEAISLE EIRIRVVQML GSLGGQINKN LLTVTSSDEM MKSYVAWDRE KRLSFAVPF REMKPVIFLD VFLPRVTELA LTASDRQTKV AACELLHSMV MFMLGKATQM PEGGQGAPPM YQLYKRTFPV L LRLACDVD QVTRQLYEPL VMQLIHWFTN NKKFESQDTV ALLEAILDGI VDPVDSTLRD FCGRCIREFL KWSIKQITPQ QQ EKSPVNT KSLFKRLYSL ALHPNAFKRL GASLAFNNIY REFREEESLV EQFVFEALVI YMESLALAHA DEKSLGTIQQ CCD AIDHLC RIIEKKHVSL NKAKKRRLPR GFPPSASLCL LDLVKWLLAH CGRPQTECRH KSIELFYKFV PLLPGNRSPN LWLK DVLKE EGVSFLINTF EGGGCGQPSG ILAQPTLLYL RGPFSLQATL CWLDLLLAAL ECYNTFIGER TVGALQVLGT EAQSS LLKA VAFFLESIAM HDIIAAEKCF GTGAAGNRTS PQEGERYNYS KCTVVVRIME FTTTLLNTSP EGWKLLKKDL CNTHLM RVL VQTLCEPASI GFNIGDVQVM AHLPDVCVNL MKALKMSPYK DILETHLREK ITAQSIEELC AVNLYGPDAQ VDRSRLA AV VSACKQLHRA GLLHNILPSQ STDLHHSVGT ELLSLVYKGI APGDERQCLP SLDLSCKQLA SGLLELAFAF GGLCERLV S LLLNPAVLST ASLGSSQGSV IHFSHGEYFY SLFSETINTE LLKNLDLAVL ELMQSSVDNT KMVSAVLNGM LDQSFRERA NQKHQGLKLA TTILQHWKKC DSWWAKDSPL ETKMAVLALL AKILQIDSSV SFNTSHGSFP EVFTTYISLL ADTKLDLHLK GQAVTLLPF FTSLTGGSLE ELRRVLEQLI VAHFPMQSRE FPPGTPRFNN YVDCMKKFLD ALELSQSPML LELMTEVLCR E QQHVMEEL FQSSFRRIAR RGSCVTQVGL LESVYEMFRK DDPRLSFTRQ SFVDRSLLTL LWHCSLDALR EFFSTIVVDA ID VLKSRFT KLNESTFDTQ ITKKMGYYKI LDVMYSRLPK DDVHAKESKI NQVFHGSCIT EGNELTKTLI KLCYDAFTEN MAG ENQLLE RRRLYHCAAY NCAISVICCV FNELKFYQGF LFSEKPEKNL LIFENLIDLK RRYNFPVEVE VPMERKKKYI EIRK EAREA ANGDSDGPSY MSSLSYLADS TLSEEMSQFD FSTGVQSYSY SSQDPRPATG RFRRREQRDP TVHDDVLELE MDELN RHEC MAPLTALVKH MHRSLGPPQG EEDSVPRDLP SWMKFLHGKL GNPIVPLNIR LFLAKLVINT EEVFRPYAKH WLSPLL QLA ASENNGGEGI HYMVVEIVAT ILSWTGLATP TGVPKDEVLA NRLLNFLMKH VFHPKRAVFR HNLEIIKTLV ECWKDCL SI PYRLIFEKFS GKDPNSKDNS VGIQLLGIVM ANDLPPYDPQ CGIQSSEYFQ ALVNNMSFVR YKEVYAAAAE VLGLILRY V MERKNILEES LCELVAKQLK QHQNTMEDKF IVCLNKVTKS FPPLADRFMN AVFFLLPKFH GVLKTLCLEV VLCRVEGMT ELYFQLKSKD FVQVMRHRDD ERQKVCLDII YKMMPKLKPV ELRELLNPVV EFVSHPSTTC REQMYNILMW IHDNYRDPES ETDNDSQEI FKLAKDVLIQ GLIDENPGLQ LIIRNFWSHE TRLPSNTLDR LLALNSLYSP KIEVHFLSLA TNFLLEMTSM S PDYPNPMF EHPLSECEFQ EYTIDSDWRF RSTVLTPMFV ETQASQGTLQ TRTQEGSLSA RWPVAGQIRA TQQQHDFTLT QT ADGRSSF DWLTGSSTDP LVDHTSPSSD SLLFAHKRSE RLQRAPLKSV GPDFGKKRLG LPGDEVDNKV KGAAGRTDLL RLR RRFMRD QEKLSLMYAR KGVAEQKREK EIKSELKMKQ DAQVVLYRSY RHGDLPDIQI KHSSLITPLQ AVAQRDPIIA KQLF SSLFS GILKEMDKFK TLSEKNNITQ KLLQDFNRFL NTTFSFFPPF VSCIQDISCQ HAALLSLDPA AVSAGCLASL QQPVG IRLL EEALLRLLPA ELPAKRVRGK ARLPPDVLRW VELAKLYRSI GEYDVLRGIF TSEIGTKQIT QSALLAEARS DYSEAA KQY DEALNKQDWV DGEPTEAEKD FWELASLDCY NHLAEWKSLE YCSTASIDSE NPPDLNKIWS EPFYQETYLP YMIRSKL KL LLQGEADQSL LTFIDKAMHG ELQKAILELH YSQELSLLYL LQDDVDRAKY YIQNGIQSFM QNYSSIDVLL HQSRLTKL Q SVQALTEIQE FISFISKQGN LSSQVPLKRL LNTWTNRYPD AKMDPMNIWD DIITNRCFFL SKIEEKLTPL PEDNSMNVD QDGDPSDRME VQEQEEDISS LIRSCKFSMK MKMIDSARKQ NNFSLAMKLL KELHKESKTR DDWLVSWVQS YCRLSHCRSR SQGCSEQVL TVLKTVSLLD ENNVSSYLSK NILAFRDQNI LLGTTYRIIA NALSSEPACL AEIEEDKARR ILELSGSSSE D SEKVIAGL YQRAFQHLSE AVQAAEEEAQ PPSWSCGPAA GVIDAYMTLA DFCDQQLRKE EENASVIDSA ELQAYPALVV EK MLKALKL NSNEARLKFP RLLQIIERYP EETLSLMTKE ISSVPCWQFI SWISHMVALL DKDQAVAVQH SVEEITDNYP QAI VYPFII SSESYSFKDT STGHKNKEFV ARIKSKLDQG GVIQDFINAL DQLSNPELLF KDWSNDVRAE LAKTPVNKKN IEKM YERMY AALGDPKAPG LGAFRRKFIQ TFGKEFDKHF GKGGSKLLRM KLSDFNDITN MLLLKMNKDS KPPGNLKECS PWMSD FKVE FLRNELEIPG QYDGRGKPLP EYHVRIAGFD ERVTVMASLR RPKRIIIRGH DEREHPFLVK GGEDLRQDQR VEQLFQ VMN GILAQDSACS QRALQLRTYS VVPMTSRLGL IEWLENTVTL KDLLLNTMSQ EEKAAYLSDP RAPPCEYKDW LTKMSGK HD VGAYMLMYKG ANRTETVTSF RKRESKVPAD LLKRAFVRMS TSPEAFLALR SHFASSHALI CISHWILGIG DRHLNNFM V AMETGGVIGI DFGHAFGSAT QFLPVPELMP FRLTRQFINL MLPMKETGLM YSIMVHALRA FRSDPGLLTN TMDVFVKEP SFDWKNFEQK MLKKGGSWIQ EINVAEKNWY PRQKICYAKR KLAGANPAVI TCDELLLGHE KAPAFRDYVA VARGSKDHNI RAQEPESGL SEETQVKCLM DQATDPNILG RTWEGWEPWM UniProtKB: DNA-dependent protein kinase catalytic subunit |
-分子 #4: DNA (34-MER)
分子 | 名称: DNA (34-MER) / タイプ: dna / ID: 4 / コピー数: 1 / 分類: DNA |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 10.502785 KDa |
配列 | 文字列: (DT)(DA)(DA)(DA)(DA)(DA)(DC)(DT)(DA)(DT) (DT)(DA)(DT)(DT)(DA)(DT)(DG)(DG) |