- EMDB-4306: Subtomogram average of unsorted ribosome-translocon complexes fro... -
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基本情報
登録情報
データベース: EMDB / ID: EMD-4306
タイトル
Subtomogram average of unsorted ribosome-translocon complexes from STT3B(-/-) HEK cells
マップデータ
Subtomogram average of unsorted ribosome-translocon complexes from STT3B(-/-) HEK cells
試料
複合体: 80S ribosome from STT3B(-/-) HEK cells bound to the endoplasmic reticulum protein translocon
複合体: Protein translocon complex of the endoplasmic reticulum
機能・相同性
機能・相同性情報
oligosaccharyltransferase III complex / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / membrane docking / endoplasmic reticulum Sec complex / pronephric nephron development / oligosaccharyltransferase complex / dolichyl-diphosphooligosaccharide-protein glycotransferase / dolichyl-diphosphooligosaccharide-protein glycotransferase activity / cotranslational protein targeting to membrane / Ssh1 translocon complex ...oligosaccharyltransferase III complex / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / membrane docking / endoplasmic reticulum Sec complex / pronephric nephron development / oligosaccharyltransferase complex / dolichyl-diphosphooligosaccharide-protein glycotransferase / dolichyl-diphosphooligosaccharide-protein glycotransferase activity / cotranslational protein targeting to membrane / Ssh1 translocon complex / Sec61 translocon complex / protein targeting to ER / protein-transporting ATPase activity / protein insertion into ER membrane / protein N-linked glycosylation via asparagine / signal sequence binding / post-translational protein targeting to membrane, translocation / SRP-dependent cotranslational protein targeting to membrane, translocation / regulation of G1 to G0 transition / exit from mitosis / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / regulation of translation involved in cellular response to UV / protein-DNA complex disassembly / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / optic nerve development / retinal ganglion cell axon guidance / G1 to G0 transition / protein glycosylation / positive regulation of signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / protein transmembrane transporter activity / cellular response to actinomycin D / rough endoplasmic reticulum / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / negative regulation of ubiquitin-dependent protein catabolic process / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / post-translational protein modification / maturation of LSU-rRNA / ribosomal large subunit biogenesis / positive regulation of translation / cellular response to gamma radiation / phospholipid binding / mRNA 5'-UTR binding / transcription coactivator binding / rRNA processing / ribosome biogenesis / ribosome binding / retina development in camera-type eye / regulation of translation / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / tRNA binding / cytoplasmic translation / protein stabilization / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / mRNA binding / ubiquitin protein ligase binding / synapse / positive regulation of cell population proliferation / positive regulation of gene expression / endoplasmic reticulum membrane / nucleolus / negative regulation of transcription by RNA polymerase II / endoplasmic reticulum / RNA binding / nucleoplasm / membrane / nucleus / metal ion binding / cytoplasm / cytosol 類似検索 - 分子機能
Oligosaccharyltransferase complex subunit OSTC / Ribophorin I / Ribophorin I / Oligosaccharyl transferase complex, subunit OST3/OST6 / OST3 / OST6 family, transporter family / : / STT3/PglB/AglB core domain / : / Oligosaccharyl transferase, STT3 subunit / Oligosaccharyl transferase STT3, N-terminal ...Oligosaccharyltransferase complex subunit OSTC / Ribophorin I / Ribophorin I / Oligosaccharyl transferase complex, subunit OST3/OST6 / OST3 / OST6 family, transporter family / : / STT3/PglB/AglB core domain / : / Oligosaccharyl transferase, STT3 subunit / Oligosaccharyl transferase STT3, N-terminal / Protein transport Sec61-beta/Sbh / Protein transport protein SecG/Sec61-beta/Sbh / Sec61beta family / Protein translocase SEC61 complex, gamma subunit / Protein translocase SecE domain superfamily / Translocon Sec61/SecY, plug domain / Plug domain of Sec61p / Protein secE/sec61-gamma signature. / Protein secY signature 1. / Protein secY signature 2. / SecE/Sec61-gamma subunits of protein translocation complex / Protein translocase complex, SecE/Sec61-gamma subunit / SecY/SEC61-alpha family / SecY domain superfamily / SecY conserved site / SecY / 60S acidic ribosomal protein P0 / Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ribosomal protein L2, archaeal-type / Ribosomal protein L28e / Ribosomal L15/L27a, N-terminal / Ribosomal protein L23 / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / 60S ribosomal protein L10P, insertion domain / Insertion domain in 60S ribosomal protein L10P / Ribosomal protein L41 / Ribosomal protein L41 / metallochaperone-like domain / TRASH domain / Ribosomal protein L29e / Ribosomal L29e protein family / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein L44e signature. / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein L10e / : / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature. / Ribosomal protein L44e / Ribosomal protein L44 / Ribosomal protein L34e, conserved site / Ribosomal protein L34e signature. / Ribosomal protein L5 eukaryotic, C-terminal / Ribosomal L18 C-terminal region / Ribosomal protein L6e signature. / Eukaryotic Ribosomal Protein L27, KOW domain / Ribosomal protein L23/L25, N-terminal / Ribosomal protein L23, N-terminal domain / Ribosomal protein L27e / Ribosomal protein L27e superfamily / Ribosomal L27e protein family / Ribosomal protein L36e signature. / Ribosomal protein L39e, conserved site / Ribosomal protein L39e signature. / Ribosomal protein L34Ae / Ribosomal protein L34e / Ribosomal protein L35Ae, conserved site / Ribosomal protein L35Ae signature. / 60S ribosomal protein L35 / Ribosomal Protein L6, KOW domain / Ribosomal protein L7A/L8 / Ribosomal protein L6e / 60S ribosomal protein L6E / 60S ribosomal protein L4, C-terminal domain / 60S ribosomal protein L4 C-terminal domain / Ribosomal protein L37ae / Ribosomal protein L7, eukaryotic / Ribosomal protein L31e, conserved site / Ribosomal L37ae protein family / Ribosomal protein L31e signature. / Ribosomal protein L30, N-terminal / Ribosomal L30 N-terminal domain / Ribosomal protein L36e / Ribosomal protein L36e domain superfamily / Ribosomal protein L36e / Ribosomal protein L39e / Ribosomal protein L14e domain / Ribosomal protein L39e domain superfamily / Ribosomal L39 protein / Ribosomal protein L14 / Ribosomal protein L5 eukaryotic/L18 archaeal / Ribosomal large subunit proteins 60S L5, and 50S L18 / Ribosomal protein L35A / Ribosomal protein L35Ae / Ribosomal protein L35A superfamily / Ribosomal protein L32e, conserved site 類似検索 - ドメイン・相同性
Small ribosomal subunit protein eS32 / Large ribosomal subunit protein uL16 / Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 / Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3A / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein eL33 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 / Large ribosomal subunit protein uL29 ...Small ribosomal subunit protein eS32 / Large ribosomal subunit protein uL16 / Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 / Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3A / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein eL33 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein eL8 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein eL43 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein eL39 / Large ribosomal subunit protein eL42 / Large ribosomal subunit protein eL15 / Large ribosomal subunit protein uL14 / 60S ribosomal protein L6 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein eL29 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein eL36 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein eL32 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein eL27 / 60S acidic ribosomal protein P0 / Large ribosomal subunit protein eL28 / Large ribosomal subunit protein eL34 / Protein transport protein Sec61 subunit alpha isoform 1 / Protein transport protein Sec61 subunit gamma / Protein transport protein Sec61 subunit beta / Oligosaccharyltransferase complex subunit OSTC / Large ribosomal subunit protein eL14 / Large ribosomal subunit protein eL37 類似検索 - 構成要素
ジャーナル: Science / 年: 2018 タイトル: Structural basis for coupling protein transport and N-glycosylation at the mammalian endoplasmic reticulum. 著者: Katharina Braunger / Stefan Pfeffer / Shiteshu Shrimal / Reid Gilmore / Otto Berninghausen / Elisabet C Mandon / Thomas Becker / Friedrich Förster / Roland Beckmann / 要旨: Protein synthesis, transport, and N-glycosylation are coupled at the mammalian endoplasmic reticulum by complex formation of a ribosome, the Sec61 protein-conducting channel, and ...Protein synthesis, transport, and N-glycosylation are coupled at the mammalian endoplasmic reticulum by complex formation of a ribosome, the Sec61 protein-conducting channel, and oligosaccharyltransferase (OST). Here we used different cryo-electron microscopy approaches to determine structures of native and solubilized ribosome-Sec61-OST complexes. A molecular model for the catalytic OST subunit STT3A (staurosporine and temperature sensitive 3A) revealed how it is integrated into the OST and how STT3-paralog specificity for translocon-associated OST is achieved. The OST subunit DC2 was placed at the interface between Sec61 and STT3A, where it acts as a versatile module for recruitment of STT3A-containing OST to the ribosome-Sec61 complex. This detailed structural view on the molecular architecture of the cotranslational machinery for N-glycosylation provides the basis for a mechanistic understanding of glycoprotein biogenesis at the endoplasmic reticulum.