登録情報 データベース : EMDB / ID : EMD-30637 構造の表示 ダウンロードとリンクタイトル Cryo-EM structure of the activated spliceosome (Bact complex) at an atomic resolution of 2.5 angstrom マップデータoverall EM map of the yeast activated spliceosome (Bact complex) at the average resolution of 2.5 angstrom 詳細 試料複合体 : the activated spliceosome Bact complexタンパク質・ペプチド : x 43種RNA : x 4種リガンド : x 3種リガンド : x 3種 詳細 キーワード RNA splicing / spliceosome / Bact complex / Prp2 / Spp2 / ATPase/helicase / activation / 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
maintenance of RNA location / RES complex / protein serine/threonine phosphatase inhibitor activity / snoRNA splicing / negative regulation of protein dephosphorylation / post-mRNA release spliceosomal complex / generation of catalytic spliceosome for first transesterification step / miRNA processing / U4/U6 snRNP / Prp19 complex ... maintenance of RNA location / RES complex / protein serine/threonine phosphatase inhibitor activity / snoRNA splicing / negative regulation of protein dephosphorylation / post-mRNA release spliceosomal complex / generation of catalytic spliceosome for first transesterification step / miRNA processing / U4/U6 snRNP / Prp19 complex / 7-methylguanosine cap hypermethylation / pre-mRNA binding / U2-type catalytic step 1 spliceosome / ATP-dependent activity, acting on RNA / small nuclear ribonucleoprotein complex / SMN-Sm protein complex / spliceosomal tri-snRNP complex / U2-type spliceosomal complex / mRNA cis splicing, via spliceosome / commitment complex / U2-type prespliceosome assembly / U2-type catalytic step 2 spliceosome / U4 snRNP / U2 snRNP / U1 snRNP / U2-type prespliceosome / precatalytic spliceosome / generation of catalytic spliceosome for second transesterification step / spliceosomal complex assembly / regulation of alternative mRNA splicing, via spliceosome / mRNA 5'-splice site recognition / regulation of RNA splicing / ATPase activator activity / U5 snRNA binding / U5 snRNP / U2 snRNA binding / U6 snRNA binding / spliceosomal snRNP assembly / mRNA export from nucleus / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / RNA splicing / helicase activity / RNA polymerase II transcription regulatory region sequence-specific DNA binding / spliceosomal complex / mRNA processing / mRNA splicing, via spliceosome / nucleic acid binding / RNA helicase activity / DNA-binding transcription factor activity, RNA polymerase II-specific / RNA helicase / nuclear speck / GTPase activity / mRNA binding / GTP binding / ATP hydrolysis activity / DNA binding / RNA binding / ATP binding / nucleus / metal ion binding / cytoplasm / cytosol 類似検索 - 分子機能 Pre-mRNA-splicing factor Spp2-like / Spp2/MOS2, G-patch domain / Pre-mRNA-splicing factor CWC24-like / G-patch domain / cwf21 / Torus domain / Pre-mRNA-splicing factor Cwc2, RNA recognition motif / Torus domain / mRNA splicing factor Cwf21 domain / cwf21 domain ... Pre-mRNA-splicing factor Spp2-like / Spp2/MOS2, G-patch domain / Pre-mRNA-splicing factor CWC24-like / G-patch domain / cwf21 / Torus domain / Pre-mRNA-splicing factor Cwc2, RNA recognition motif / Torus domain / mRNA splicing factor Cwf21 domain / cwf21 domain / RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain) / G-patch domain / BUD31/G10-related, conserved site / : / : / G10 protein signature 1. / G10 protein signature 2. / glycine rich nucleic binding domain / Pre-mRNA-splicing factor Cwf15/Cwc15 / HAT (Half-A-TPR) repeat / Cwf15/Cwc15 cell cycle control protein / Splicing factor 3A subunit 1 / Zinc finger C-x8-C-x5-C-x3-H type (and similar) / Pre-mRNA-splicing factor Cwc2/Slt11 / Splicing factor 3A subunit 1, conserved domain / Pre-mRNA splicing factor PRP21 like protein / Domain of unknown function DUF382 / Domain of unknown function (DUF382) / G10 protein / : / Pre-mRNA-splicing factor BUD31 / Pre-mRNA splicing factor component Cdc5p/Cef1, C-terminal / pre-mRNA splicing factor component / SWAP/Surp / SWAP/Surp superfamily / Surp module / SURP motif repeat profile. / Suppressor-of-White-APricot splicing regulator / 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) / U2A'/phosphoprotein 32 family A, C-terminal / Zinc finger, CCCH-type superfamily / occurring C-terminal to leucine-rich repeats / Leucine-rich repeat / : / Helicase associated domain (HA2), ratchet-like / zinc finger / Pre-mRNA-splicing factor Syf1-like / Snu114, GTP-binding domain / DEAD-box helicase, OB fold / Oligonucleotide/oligosaccharide-binding (OB)-fold / Helicase-associated domain / Helicase associated domain (HA2), winged-helix / Helicase associated domain (HA2) Add an annotation / 116kDa U5 small nuclear ribonucleoprotein component, N-terminal / 116kDa U5 small nuclear ribonucleoprotein component, C-terminal / 116 kDa U5 small nuclear ribonucleoprotein component N-terminus / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein F / Sm-like protein Lsm7/SmG / Myb-type HTH DNA-binding domain profile. / Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 / Zinc finger, CCCH-type / Zinc finger C3H1-type profile. / Sm-like protein Lsm6/SmF / LSM domain / LSM domain, eukaryotic/archaea-type / snRNP Sm proteins / Forkhead associated domain / Forkhead-associated (FHA) domain profile. / HAT (Half-A-TPR) repeat / HAT (Half-A-TPR) repeats / Myb domain / FHA domain / : / Forkhead-associated (FHA) domain / Sm domain profile. / DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site / DEAH-box subfamily ATP-dependent helicases signature. / Myb-like DNA-binding domain / LSM domain superfamily / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Elongation factor G C-terminus / SMAD/FHA domain superfamily / Elongation factor EFG, domain V-like / Elongation factor G C-terminus / EF-G domain III/V-like / SANT SWI3, ADA2, N-CoR and TFIIIB'' DNA-binding domains / SANT/Myb domain / Leucine-rich repeat profile. 類似検索 - ドメイン・相同性 : / : / Pre-mRNA-splicing factor CLF1 / : / : / Pre-mRNA-splicing factor CWC24 / SNU114 isoform 1 / : / : / : ... : / : / Pre-mRNA-splicing factor CLF1 / : / : / Pre-mRNA-splicing factor CWC24 / SNU114 isoform 1 / : / : / : / Pre-mRNA-splicing factor CWC21 / : / BJ4_G0014900.mRNA.1.CDS.1 / : / : / : / Pre-mRNA-splicing factor CWC2 / : / RDS3 isoform 1 / : / U2 small nuclear ribonucleoprotein A' / : / MSL1 isoform 1 / Small nuclear ribonucleoprotein Sm D3 / BUD31 isoform 1 / : / Sm protein F / : / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein Sm D2 / HLJ1_G0022770.mRNA.1.CDS.1 / HLJ1_G0043010.mRNA.1.CDS.1 / : / : / RDS3 complex subunit 10 / Pre-mRNA-splicing factor ATP-dependent RNA helicase-like protein PRP2 / Pre-mRNA-splicing factor PRP21 / Small nuclear ribonucleoprotein G / Pre-mRNA-splicing factor SPP2 / Pre-mRNA-splicing factor CEF1 / Pre-mRNA-splicing factor CWC15 / Pre-mRNA leakage protein 1 類似検索 - 構成要素生物種 Saccharomyces cerevisiae (パン酵母) / Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (パン酵母)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 2.5 Å 詳細 データ登録者Bai R / Wan R 資金援助 中国, 1件 詳細 詳細を隠すOrganization Grant number 国 National Natural Science Foundation of China (NSFC) 31930059 中国
引用ジャーナル : Science / 年 : 2021タイトル : Mechanism of spliceosome remodeling by the ATPase/helicase Prp2 and its coactivator Spp2.著者 : Rui Bai / Ruixue Wan / Chuangye Yan / Qi Jia / Jianlin Lei / Yigong Shi / 要旨 : Spliceosome remodeling, executed by conserved adenosine triphosphatase (ATPase)/helicases including Prp2, enables precursor messenger RNA (pre-mRNA) splicing. However, the structural basis for the ... Spliceosome remodeling, executed by conserved adenosine triphosphatase (ATPase)/helicases including Prp2, enables precursor messenger RNA (pre-mRNA) splicing. However, the structural basis for the function of the ATPase/helicases remains poorly understood. Here, we report atomic structures of Prp2 in isolation, Prp2 complexed with its coactivator Spp2, and Prp2-loaded activated spliceosome and the results of structure-guided biochemical analysis. Prp2 weakly associates with the spliceosome and cannot function without Spp2, which stably associates with Prp2 and anchors on the spliceosome, thus tethering Prp2 to the activated spliceosome and allowing Prp2 to function. Pre-mRNA is loaded into a featured channel between the N and C halves of Prp2, where Leu from the N half and Arg from the C half prevent backward sliding of pre-mRNA toward its 5'-end. Adenosine 5'-triphosphate binding and hydrolysis trigger interdomain movement in Prp2, which drives unidirectional stepwise translocation of pre-mRNA toward its 3'-end. These conserved mechanisms explain the coupling of spliceosome remodeling to pre-mRNA splicing. 履歴 登録 2020年10月26日 - ヘッダ(付随情報) 公開 2021年3月17日 - マップ公開 2021年3月17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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