- EMDB-12608: Human TRiC complex in open state with nanobody bound -
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基本情報
登録情報
データベース: EMDB / ID: EMD-12608
タイトル
Human TRiC complex in open state with nanobody bound
マップデータ
試料
複合体: Human type II chaperonin TRiC/CCT complex with nanobody bound
複合体: Human type II chaperonin TRiC/CCT complex
タンパク質・ペプチド: x 7種
複合体: Nanobody Nb18
タンパク質・ペプチド: x 1種
タンパク質・ペプチド: x 1種
リガンド: x 4種
キーワード
TRiC / CCT / ATP hydrolysis / type II chaperonin / protein folding / CHAPERONE
機能・相同性
機能・相同性情報
zona pellucida receptor complex / scaRNA localization to Cajal body / chaperone mediated protein folding independent of cofactor / positive regulation of establishment of protein localization to telomere / positive regulation of protein localization to Cajal body / tubulin complex assembly / BBSome-mediated cargo-targeting to cilium / binding of sperm to zona pellucida / Folding of actin by CCT/TriC / Formation of tubulin folding intermediates by CCT/TriC ...zona pellucida receptor complex / scaRNA localization to Cajal body / chaperone mediated protein folding independent of cofactor / positive regulation of establishment of protein localization to telomere / positive regulation of protein localization to Cajal body / tubulin complex assembly / BBSome-mediated cargo-targeting to cilium / binding of sperm to zona pellucida / Folding of actin by CCT/TriC / Formation of tubulin folding intermediates by CCT/TriC / positive regulation of telomerase RNA localization to Cajal body / chaperonin-containing T-complex / Prefoldin mediated transfer of substrate to CCT/TriC / RHOBTB1 GTPase cycle / intermediate filament cytoskeleton / WD40-repeat domain binding / pericentriolar material / beta-tubulin binding / Association of TriC/CCT with target proteins during biosynthesis / : / chaperone-mediated protein complex assembly / RHOBTB2 GTPase cycle / heterochromatin / chaperone-mediated protein folding / protein folding chaperone / positive regulation of telomere maintenance via telomerase / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / acrosomal vesicle / mRNA 3'-UTR binding / cell projection / ATP-dependent protein folding chaperone / response to virus / cilium / mRNA 5'-UTR binding / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / G-protein beta-subunit binding / azurophil granule lumen / unfolded protein binding / melanosome / protein folding / cell body / secretory granule lumen / ficolin-1-rich granule lumen / microtubule / cytoskeleton / protein stabilization / cadherin binding / centrosome / ubiquitin protein ligase binding / Neutrophil degranulation / Golgi apparatus / ATP hydrolysis activity / RNA binding / extracellular exosome / extracellular region / nucleoplasm / ATP binding / cytosol / cytoplasm 類似検索 - 分子機能
T-complex protein 1, alpha subunit / T-complex protein 1, eta subunit / T-complex protein 1, theta subunit / T-complex protein 1, zeta subunit / T-complex protein 1, delta subunit / T-complex protein 1, gamma subunit / T-complex protein 1, epsilon subunit / T-complex protein 1, beta subunit / : / Chaperonins TCP-1 signature 1. ...T-complex protein 1, alpha subunit / T-complex protein 1, eta subunit / T-complex protein 1, theta subunit / T-complex protein 1, zeta subunit / T-complex protein 1, delta subunit / T-complex protein 1, gamma subunit / T-complex protein 1, epsilon subunit / T-complex protein 1, beta subunit / : / Chaperonins TCP-1 signature 1. / Chaperonins TCP-1 signature 2. / Chaperonin TCP-1, conserved site / Chaperonins TCP-1 signature 3. / Chaperone tailless complex polypeptide 1 (TCP-1) / GroEL-like equatorial domain superfamily / TCP-1-like chaperonin intermediate domain superfamily / GroEL-like apical domain superfamily / TCP-1/cpn60 chaperonin family / Chaperonin Cpn60/GroEL/TCP-1 family 類似検索 - ドメイン・相同性
T-complex protein 1 subunit alpha / T-complex protein 1 subunit zeta / T-complex protein 1 subunit epsilon / T-complex protein 1 subunit gamma / T-complex protein 1 subunit theta / T-complex protein 1 subunit delta / T-complex protein 1 subunit beta / T-complex protein 1 subunit eta 類似検索 - 構成要素
ジャーナル: Nat Struct Mol Biol / 年: 2022 タイトル: Snapshots of actin and tubulin folding inside the TRiC chaperonin. 著者: John J Kelly / Dale Tranter / Els Pardon / Gamma Chi / Holger Kramer / Lotta Happonen / Kelly M Knee / Jay M Janz / Jan Steyaert / Christine Bulawa / Ville O Paavilainen / Juha T Huiskonen / Wyatt W Yue / 要旨: The integrity of a cell's proteome depends on correct folding of polypeptides by chaperonins. The chaperonin TCP-1 ring complex (TRiC) acts as obligate folder for >10% of cytosolic proteins, ...The integrity of a cell's proteome depends on correct folding of polypeptides by chaperonins. The chaperonin TCP-1 ring complex (TRiC) acts as obligate folder for >10% of cytosolic proteins, including he cytoskeletal proteins actin and tubulin. Although its architecture and how it recognizes folding substrates are emerging from structural studies, the subsequent fate of substrates inside the TRiC chamber is not defined. We trapped endogenous human TRiC with substrates (actin, tubulin) and cochaperone (PhLP2A) at different folding stages, for structure determination by cryo-EM. The already-folded regions of client proteins are anchored at the chamber wall, positioning unstructured regions toward the central space to achieve their native fold. Substrates engage with different sections of the chamber during the folding cycle, coupled to TRiC open-and-close transitions. Further, the cochaperone PhLP2A modulates folding, acting as a molecular strut between substrate and TRiC chamber. Our structural snapshots piece together an emerging model of client protein folding within TRiC.