登録情報 データベース : EMDB / ID : EMD-9621 構造の表示 ダウンロードとリンクタイトル The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex) マップデータThe 5.7 Angstrom map of the human pre-B complex 詳細 試料複合体 : SpliceosomeRNA : x 5種タンパク質・ペプチド : x 38種リガンド : x 3種 詳細 キーワード Spliceosome / SPLICING機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
Lsm2-8 complex / U6 snRNA 3'-end binding / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / RNA localization / U4atac snRNA binding / R-loop processing / mRNA decay by 5' to 3' exoribonuclease / Lsm1-7-Pat1 complex ... Lsm2-8 complex / U6 snRNA 3'-end binding / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / RNA localization / U4atac snRNA binding / R-loop processing / mRNA decay by 5' to 3' exoribonuclease / Lsm1-7-Pat1 complex / box C/D sno(s)RNA binding / U11/U12 snRNP / U6 snRNP / PH domain binding / U2 snRNP binding / dense fibrillar component / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / histone pre-mRNA 3'end processing complex / cis assembly of pre-catalytic spliceosome / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / box C/D methylation guide snoRNP complex / B-WICH complex / splicing factor binding / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) / U4/U6 snRNP / protein methylation / U12-type spliceosomal complex / 7-methylguanosine cap hypermethylation / U1 snRNP binding / RNA splicing, via transesterification reactions / sno(s)RNA-containing ribonucleoprotein complex / methylosome / blastocyst formation / pICln-Sm protein complex / U2-type catalytic step 1 spliceosome / U4 snRNA binding / snRNP binding / small nuclear ribonucleoprotein complex / telomerase holoenzyme complex / SMN-Sm protein complex / P granule / telomerase RNA binding / spliceosomal tri-snRNP complex / U2-type precatalytic spliceosome / U2-type spliceosomal complex / commitment complex / mRNA cis splicing, via spliceosome / U2-type prespliceosome assembly / U2-type catalytic step 2 spliceosome / P-body assembly / SAGA complex / U4 snRNP / U2 snRNP / RNA Polymerase II Transcription Termination / U3 snoRNA binding / U1 snRNP / U2-type prespliceosome / positive regulation of transcription by RNA polymerase III / rRNA modification in the nucleus and cytosol / tRNA processing / precatalytic spliceosome / K63-linked polyubiquitin modification-dependent protein binding / positive regulation of transcription by RNA polymerase I / spliceosomal complex assembly / regulation of RNA splicing / mRNA catabolic process / mRNA Splicing - Minor Pathway / mRNA 3'-splice site recognition / nuclear-transcribed mRNA catabolic process / MLL1 complex / spliceosomal tri-snRNP complex assembly / protein deubiquitination / U5 snRNA binding / U5 snRNP / U2 snRNA binding / U6 snRNA binding / Major pathway of rRNA processing in the nucleolus and cytosol / pre-mRNA intronic binding / spliceosomal snRNP assembly / RNA processing / ribonucleoprotein complex binding / regulation of DNA repair / Cajal body / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / mRNA Splicing - Major Pathway / RNA splicing / maturation of SSU-rRNA / helicase activity / stem cell differentiation / small-subunit processome / response to bacterium / spliceosomal complex / P-body / response to cocaine 類似検索 - 分子機能 USP39 / PRP4-like superfamily / pre-mRNA processing factor 4 (PRP4) like / SF3B6, RNA recognition motif / Sm-like protein Lsm8 / PWI domain superfamily / PWI domain / PWI domain profile. / SF3B4, RNA recognition motif 2 / Pre-mRNA processing factor 4 (PRP4)-like ... USP39 / PRP4-like superfamily / pre-mRNA processing factor 4 (PRP4) like / SF3B6, RNA recognition motif / Sm-like protein Lsm8 / PWI domain superfamily / PWI domain / PWI domain profile. / SF3B4, RNA recognition motif 2 / Pre-mRNA processing factor 4 (PRP4)-like / U6 snRNA-associated Sm-like protein LSm2 / Splicing factor SF3a60 binding domain / Sm-like protein Lsm4 / Splicing factor SF3a60 binding domain / Splicing Factor Motif, present in Prp18 and Pr04 / Sm-like protein Lsm7 / U6 snRNA-associated Sm-like protein Lsm1/8 / Sm-like protein LSm5 / Sm-like protein Lsm3 / U6 snRNA-associated Sm-like protein Lsm3 / Cactus-binding C-terminus of cactin protein / Pre-mRNA-splicing factor 3 / U4/U6 small nuclear ribonucleoprotein Prp3 / pre-mRNA processing factor 3 domain / Prp31 C-terminal / U4/U6 small nuclear ribonucleoprotein Prp31 / Splicing factor 3A subunit 1, ubiquitin domain / Prp31 C terminal domain / Small nuclear ribonucleoprotein Prp3, C-terminal domain / Small nuclear ribonucleoprotein Prp3, C-terminal domain / : / Replication stress response SDE2 C-terminal / PWI domain / PWI, domain in splicing factors / Dim1 family / Mitosis protein DIM1 / Mitosis protein DIM1 / PRP1 splicing factor, N-terminal / SF3A2 domain / : / PRP1 splicing factor, N-terminal / Pre-mRNA-splicing factor SF3a complex subunit 2 (Prp11) / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 2 / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 1 / Splicing factor SF3a60 /Prp9 subunit, C-terminal / SF3A3 domain / SF3a60/Prp9 C-terminal / Pre-mRNA-splicing factor SF3A3, of SF3a complex, Prp9 / SF3B4, RNA recognition motif 1 / : / Splicing factor 3B, subunit 5 / Splicing factor 3A subunit 1, conserved domain / Splicing factor 3A subunit 1 / Pre-mRNA splicing factor PRP21 like protein / Splicing factor 3B subunit 1 / : / Splicing factor 3B subunit 1 / : / Domain of unknown function DUF382 / Domain of unknown function (DUF382) / SWAP/Surp / SWAP/Surp superfamily / Surp module / SURP motif repeat profile. / Suppressor-of-White-APricot splicing regulator / : / Zinc-finger of C2H2 type / PHF5-like / PHF5-like protein / PSP, proline-rich / PSP / proline-rich domain in spliceosome associated proteins / Splicing factor 3B subunit 5/RDS3 complex subunit 10 / Splicing factor 3B subunit 10 (SF3b10) / : / Splicing factor 3B subunit 1-like / : / Matrin/U1-C, C2H2-type zinc finger / Zinc finger matrin-type profile. / Small ribonucleoprotein associated, SmB/SmN / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein D1 / NOSIC / NOSIC (NUC001) domain / Nop domain / Nop domain superfamily / Nop, C-terminal domain / snoRNA binding domain, fibrillarin / Nop domain profile. / H/ACA ribonucleoprotein complex, subunit Nhp2-like / U2A'/phosphoprotein 32 family A, C-terminal / occurring C-terminal to leucine-rich repeats / Brr2, N-terminal helicase PWI domain / : / N-terminal helicase PWI domain / Pre-mRNA-splicing helicase BRR2 plug domain / Ubiquitin Carboxyl-terminal Hydrolase-like zinc finger / Zinc finger, UBP-type / Zn-finger in ubiquitin-hydrolases and other protein / Zinc finger UBP-type profile. 類似検索 - ドメイン・相同性 U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6 small nuclear ribonucleoprotein Prp3 / Splicing factor 3B subunit 1 / U5 small nuclear ribonucleoprotein 200 kDa helicase / Pre-mRNA-processing factor 6 / U6 snRNA-associated Sm-like protein LSm8 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / NHP2-like protein 1 ... U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6 small nuclear ribonucleoprotein Prp3 / Splicing factor 3B subunit 1 / U5 small nuclear ribonucleoprotein 200 kDa helicase / Pre-mRNA-processing factor 6 / U6 snRNA-associated Sm-like protein LSm8 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / NHP2-like protein 1 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein G / U6 snRNA-associated Sm-like protein LSm3 / U6 snRNA-associated Sm-like protein LSm6 / Small nuclear ribonucleoprotein Sm D1 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein Sm D3 / Thioredoxin-like protein 4A / Splicing factor 3A subunit 3 / Splicing factor 3B subunit 2 / 116 kDa U5 small nuclear ribonucleoprotein component / Splicing factor 3B subunit 3 / Splicing factor 3B subunit 4 / Splicing factor 3A subunit 2 / Splicing factor 3A subunit 1 / Ubiquitin carboxyl-terminal hydrolase 39 / Pre-mRNA-processing-splicing factor 8 / PHD finger-like domain-containing protein 5A / U4/U6 small nuclear ribonucleoprotein Prp31 / U5 small nuclear ribonucleoprotein 40 kDa protein / Probable ATP-dependent RNA helicase DDX23 / Splicing factor 3B subunit 5 / U6 snRNA-associated Sm-like protein LSm7 / U6 snRNA-associated Sm-like protein LSm2 / Splicing factor 3B subunit 6 / U6 snRNA-associated Sm-like protein LSm5 / U6 snRNA-associated Sm-like protein LSm4 類似検索 - 構成要素生物種 Homo sapiens (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 5.7 Å 詳細 データ登録者Zhan X / Yan C 資金援助 中国, 2件 詳細 詳細を隠すOrganization Grant number 国 National Natural Science Foundation of China 31621092 中国 National Natural Science Foundation of China 31430020 中国
引用ジャーナル : Cell Res / 年 : 2018タイトル : Structures of the human pre-catalytic spliceosome and its precursor spliceosome.著者 : Xiechao Zhan / Chuangye Yan / Xiaofeng Zhang / Jianlin Lei / Yigong Shi / 要旨 : The pre-catalytic spliceosome (B complex) is preceded by its precursor spliceosome (pre-B complex) and followed by the activated spliceosome (B complex). The pre-B-to-B and B-to-B transitions are ... The pre-catalytic spliceosome (B complex) is preceded by its precursor spliceosome (pre-B complex) and followed by the activated spliceosome (B complex). The pre-B-to-B and B-to-B transitions are driven by the ATPase/helicases Prp28 and Brr2, respectively. In this study, we report the cryo-electron microscopy structures of the human pre-B complex and the human B complex at an average resolution of 5.7 and 3.8 Å, respectively. In the pre-B complex, U1 and U2 small nuclear ribonucleoproteins (snRNPs) associate with two edges of the tetrahedron-shaped U4/U6.U5 tri-snRNP. The pre-mRNA is yet to be recognized by U5 or U6 small nuclear RNA (snRNA), and loop I of U5 snRNA remains unengaged. In the B complex, U1 snRNP and Prp28 are dissociated, the 5'-exon is anchored to loop I of U5 snRNA, and the 5'-splice site is recognized by U6 snRNA through duplex formation. In sharp contrast to S. cerevisiae, most components of U2 snRNP and tri-snRNP, exemplified by Brr2, undergo pronounced rearrangements in the human pre-B-to-B transition. Structural analysis reveals mechanistic insights into the assembly and activation of the human spliceosome. 履歴 登録 2018年8月15日 - ヘッダ(付随情報) 公開 2018年11月14日 - マップ公開 2018年11月14日 - 更新 2024年3月27日 - 現状 2024年3月27日 処理サイト : PDBj / 状態 : 公開
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