- EMDB-1262: Following the signal sequence from ribosomal tunnel exit to signa... -
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基本情報
登録情報
データベース: EMDB / ID: EMD-1262
タイトル
Following the signal sequence from ribosomal tunnel exit to signal recognition particle.
マップデータ
E. coli trigger factor bound to ribosome nascent chain complex
試料
試料: E. coli signal recognition particle bound to ribosome nascent chain complex
複合体: ribosome
タンパク質・ペプチド: trigger factor
機能・相同性
機能・相同性情報
absorption of visible light / signal recognition particle / G protein-coupled opsin signaling pathway / photoreceptor inner segment membrane / G protein-coupled photoreceptor activity / 11-cis retinal binding / signal-recognition-particle GTPase / 7S RNA binding / SRP-dependent cotranslational protein targeting to membrane / protein targeting to membrane ...absorption of visible light / signal recognition particle / G protein-coupled opsin signaling pathway / photoreceptor inner segment membrane / G protein-coupled photoreceptor activity / 11-cis retinal binding / signal-recognition-particle GTPase / 7S RNA binding / SRP-dependent cotranslational protein targeting to membrane / protein targeting to membrane / photoreceptor outer segment membrane / negative regulation of cytoplasmic translational initiation / stringent response / transcriptional attenuation / positive regulation of ribosome biogenesis / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / translational termination / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / visual perception / mRNA regulatory element binding translation repressor activity / assembly of large subunit precursor of preribosome / ribosome assembly / cytosolic ribosome assembly / response to reactive oxygen species / translational initiation / regulation of cell growth / DNA-templated transcription termination / response to radiation / mRNA 5'-UTR binding / photoreceptor disc membrane / large ribosomal subunit / transferase activity / ribosome binding / 5S rRNA binding / ribosomal large subunit assembly / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / response to antibiotic / negative regulation of DNA-templated transcription / GTPase activity / mRNA binding / GTP binding / ATP hydrolysis activity / DNA binding / RNA binding / zinc ion binding / metal ion binding / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能
Signal recognition particle protein / Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Signal recognition particle, SRP54 subunit / Signal recognition particle, SRP54 subunit, M-domain / Signal recognition particle, SRP54 subunit, M-domain superfamily / Signal peptide binding domain / Opsin / Visual pigments (opsins) retinal binding site ...Signal recognition particle protein / Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Signal recognition particle, SRP54 subunit / Signal recognition particle, SRP54 subunit, M-domain / Signal recognition particle, SRP54 subunit, M-domain superfamily / Signal peptide binding domain / Opsin / Visual pigments (opsins) retinal binding site / Visual pigments (opsins) retinal binding site. / : / SRP54-type proteins GTP-binding domain signature. / Signal recognition particle SRP54, helical bundle / Signal recognition particle SRP54, N-terminal domain superfamily / SRP54-type protein, helical bundle domain / SRP54-type protein, helical bundle domain / Signal recognition particle, SRP54 subunit, GTPase domain / SRP54-type protein, GTPase domain / SRP54-type protein, GTPase domain / Ribosomal protein L11, bacterial-type / Ribosomal protein L25, short-form / Ribosomal protein L31 type A / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein L11, conserved site / Ribosomal protein L11 signature. / : / Ribosomal protein L16 signature 1. / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L16 signature 2. / Ribosomal protein L16, conserved site / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Serpentine type 7TM GPCR chemoreceptor Srsx / : / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L11, N-terminal / Ribosomal protein L11, N-terminal domain / Ribosomal protein L17 signature. / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, RNA binding domain / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L36 signature. / Ribosomal protein L32p, bacterial type / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L35, non-mitochondrial / : / Ribosomal protein L5, bacterial-type / Ribosomal protein L18, bacterial-type / : / Ribosomal protein L6, bacterial-type / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein L20 signature. / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L14P, bacterial-type / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L33 superfamily / Ribosomal protein L16 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L30, bacterial-type / : / L28p-like / Ribosomal protein L27 類似検索 - ドメイン・相同性
: / : / 50S ribosomal protein L27 / : / : / : / : / : / Rhodopsin / Large ribosomal subunit protein uL15 ...: / : / 50S ribosomal protein L27 / : / : / : / : / : / Rhodopsin / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL36A / Large ribosomal subunit protein bL9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Signal recognition particle protein / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein bL25 類似検索 - 構成要素
ジャーナル: Nature / 年: 2006 タイトル: Following the signal sequence from ribosomal tunnel exit to signal recognition particle. 著者: Mario Halic / Michael Blau / Thomas Becker / Thorsten Mielke / Martin R Pool / Klemens Wild / Irmgard Sinning / Roland Beckmann / 要旨: Membrane and secretory proteins can be co-translationally inserted into or translocated across the membrane. This process is dependent on signal sequence recognition on the ribosome by the signal ...Membrane and secretory proteins can be co-translationally inserted into or translocated across the membrane. This process is dependent on signal sequence recognition on the ribosome by the signal recognition particle (SRP), which results in targeting of the ribosome-nascent-chain complex to the protein-conducting channel at the membrane. Here we present an ensemble of structures at subnanometre resolution, revealing the signal sequence both at the ribosomal tunnel exit and in the bacterial and eukaryotic ribosome-SRP complexes. Molecular details of signal sequence interaction in both prokaryotic and eukaryotic complexes were obtained by fitting high-resolution molecular models. The signal sequence is presented at the ribosomal tunnel exit in an exposed position ready for accommodation in the hydrophobic groove of the rearranged SRP54 M domain. Upon ribosome binding, the SRP54 NG domain also undergoes a conformational rearrangement, priming it for the subsequent docking reaction with the NG domain of the SRP receptor. These findings provide the structural basis for improving our understanding of the early steps of co-translational protein sorting.