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- EMDB-36183: Cryo-EM structure of neddylated Cul2-Rbx1-EloBC-FEM1B complexed w... -
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Basic information
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Title | Cryo-EM structure of neddylated Cul2-Rbx1-EloBC-FEM1B complexed with FNIP1-FLCN | |||||||||
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![]() | Complex / E3 ubiquitin ligase / Cullin / LIGASE | |||||||||
Function / homology | ![]() : / regulation of ubiquitin-protein transferase activity / positive regulation of B cell apoptotic process / epithelial cell maturation involved in prostate gland development / regulation of pro-B cell differentiation / negative regulation of lysosome organization / immature B cell differentiation / branching involved in prostate gland morphogenesis / Amino acids regulate mTORC1 / ATPase inhibitor activity ...: / regulation of ubiquitin-protein transferase activity / positive regulation of B cell apoptotic process / epithelial cell maturation involved in prostate gland development / regulation of pro-B cell differentiation / negative regulation of lysosome organization / immature B cell differentiation / branching involved in prostate gland morphogenesis / Amino acids regulate mTORC1 / ATPase inhibitor activity / B cell apoptotic process / regulation of DNA damage checkpoint / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / target-directed miRNA degradation / VCB complex / elongin complex / death receptor binding / regulation of extrinsic apoptotic signaling pathway via death domain receptors / negative regulation of TOR signaling / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / ubiquitin ligase complex scaffold activity / TOR signaling / regulation of protein phosphorylation / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / positive regulation of TOR signaling / ubiquitin ligase complex / Tat-mediated elongation of the HIV-1 transcript / ubiquitin-like ligase-substrate adaptor activity / Formation of HIV-1 elongation complex containing HIV-1 Tat / Formation of HIV elongation complex in the absence of HIV Tat / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / positive regulation of peptidyl-serine phosphorylation / RNA Polymerase II Pre-transcription Events / positive regulation of TORC1 signaling / B cell differentiation / intrinsic apoptotic signaling pathway / enzyme activator activity / cellular response to starvation / transcription corepressor binding / TP53 Regulates Transcription of DNA Repair Genes / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / positive regulation of protein-containing complex assembly / Vif-mediated degradation of APOBEC3G / Inactivation of CSF3 (G-CSF) signaling / Evasion by RSV of host interferon responses / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / G1/S transition of mitotic cell cycle / Regulation of expression of SLITs and ROBOs / ubiquitin-protein transferase activity / Antigen processing: Ubiquitination & Proteasome degradation / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / protein-folding chaperone binding / Neddylation / protein-containing complex assembly / ubiquitin-dependent protein catabolic process / protein-macromolecule adaptor activity / proteasome-mediated ubiquitin-dependent protein catabolic process / protein ubiquitination / lysosomal membrane / negative regulation of cell population proliferation / apoptotic process / ubiquitin protein ligase binding / regulation of transcription by RNA polymerase II / protein-containing complex binding / nucleolus / enzyme binding / negative regulation of transcription by RNA polymerase II / mitochondrion / nucleoplasm / metal ion binding / nucleus / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.63 Å | |||||||||
![]() | Dai Z / Liang L / Yin YX | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural insights into the ubiquitylation strategy of the oligomeric CRL2 E3 ubiquitin ligase. Authors: Zonglin Dai / Ling Liang / Weize Wang / Peng Zuo / Shang Yu / Yaqi Liu / Xuyang Zhao / Yishuo Lu / Yan Jin / Fangting Zhang / Dian Ding / Weiwei Deng / Yuxin Yin / ![]() ![]() Abstract: Cullin-RING E3 ubiquitin ligase (CRL) family members play critical roles in numerous biological processes and diseases including cancer and Alzheimer's disease. Oligomerization of CRLs has been ...Cullin-RING E3 ubiquitin ligase (CRL) family members play critical roles in numerous biological processes and diseases including cancer and Alzheimer's disease. Oligomerization of CRLs has been reported to be crucial for the regulation of their activities. However, the structural basis for its regulation and mechanism of its oligomerization are not fully known. Here, we present cryo-EM structures of oligomeric CRL2 in its unneddylated state, neddylated state in complex with BEX2 as well as neddylated state in complex with FNIP1/FLCN. These structures reveal that asymmetric dimerization of N8-CRL2 is critical for the ubiquitylation of BEX2 while FNIP1/FLCN is ubiquitylated by monomeric CRL2. Our data present an example of the asymmetric homo-dimerization of CRL. Taken together, this study sheds light on the ubiquitylation strategy of oligomeric CRL2 according to substrates with different scales. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 253.1 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.4 KB 20.4 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 17.1 KB | Display | ![]() |
Images | ![]() | 65.1 KB | ||
Filedesc metadata | ![]() | 7.2 KB | ||
Others | ![]() ![]() | 474.4 MB 474.4 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8je2MC ![]() 8ij1C ![]() 8je1C M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.83 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #1
File | emd_36183_half_map_1.map | ||||||||||||
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Density Histograms |
-Half map: #2
File | emd_36183_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Neddylated Cul2-Rbx1-EloBC-FEM1B complexed with FNIP1-FLCN
Entire | Name: Neddylated Cul2-Rbx1-EloBC-FEM1B complexed with FNIP1-FLCN |
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Components |
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-Supramolecule #1: Neddylated Cul2-Rbx1-EloBC-FEM1B complexed with FNIP1-FLCN
Supramolecule | Name: Neddylated Cul2-Rbx1-EloBC-FEM1B complexed with FNIP1-FLCN type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Cullin-2
Macromolecule | Name: Cullin-2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 87.92782 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MSLKPRVVDF DETWNKLLTT IKAVVMLEYV ERATWNDRFS DIYALCVAYP EPLGERLYTE TKIFLENHVR HLHKRVLESE EQVLVMYHR YWEEYSKGAD YMDCLYRYLN TQFIKKNKLT EADLQYGYGG VDMNEPLMEI GELALDMWRK LMVEPLQAIL I RMLLREIK ...String: MSLKPRVVDF DETWNKLLTT IKAVVMLEYV ERATWNDRFS DIYALCVAYP EPLGERLYTE TKIFLENHVR HLHKRVLESE EQVLVMYHR YWEEYSKGAD YMDCLYRYLN TQFIKKNKLT EADLQYGYGG VDMNEPLMEI GELALDMWRK LMVEPLQAIL I RMLLREIK NDRGGEDPNQ KVIHGVINSF VHVEQYKKKF PLKFYQEIFE SPFLTETGEY YKQEASNLLQ ESNCSQYMEK VL GRLKDEE IRCRKYLHPS SYTKVIHECQ QRMVADHLQF LHAECHNIIR QEKKNDMANM YVLLRAVSTG LPHMIQELQN HIH DEGLRA TSNLTQENMP TLFVESVLEV HGKFVQLINT VLNGDQHFMS ALDKALTSVV NYREPKSVCK APELLAKYCD NLLK KSAKG MTENEVEDRL TSFITVFKYI DDKDVFQKFY ARMLAKRLIH GLSMSMDSEE AMINKLKQAC GYEFTSKLHR MYTDM SVSA DLNNKFNNFI KNQDTVIDLG ISFQIYVLQA GAWPLTQAPS STFAIPQELE KSVQMFELFY SQHFSGRKLT WLHYLC TGE VKMNYLGKPY VAMVTTYQMA VLLAFNNSET VSYKELQDST QMNEKELTKT IKSLLDVKMI NHDSEKEDID AESSFSL NM NFSSKRTKFK ITTSMQKDTP QEMEQTRSAV DEDRKMYLQA AIVRIMKARK VLRHNALIQE VISQSRARFN PSISMIKK C IEVLIDKQYI ERSQASADEY SYVAHHHHHH UniProtKB: Cullin-2 |
-Macromolecule #2: Elongin-B
Macromolecule | Name: Elongin-B / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 11.748406 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MDVFLMIRRH KTTIFTDAKE SSTVFELKRI VEGILKRPPD EQRLYKDDQL LDDGKTLGEC GFTSQTARPQ APATVGLAFR ADDTFEALC IEPFSSPPEL PDVMK UniProtKB: Elongin-B |
-Macromolecule #3: Elongin-C
Macromolecule | Name: Elongin-C / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 11.045694 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MAMYVKLISS DGHEFIVKRE HALTSGTIKA MLSGPGQFAE NETNEVNFRE IPSHVLSKVC MYFTYKVRYT NSSTEIPEFP IAPEIALEL LMAANFLDC UniProtKB: Elongin-C |
-Macromolecule #4: Protein fem-1 homolog B
Macromolecule | Name: Protein fem-1 homolog B / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 70.688406 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GEFMEGLAGY VYKAASEGKV LTLAALLLNR SESDIRYLLG YVSQQGGQRS TPLIIAARNG HAKVVRLLLE HYRVQTQQTG TVRFDGYVI DGATALWCAA GAGHFEVVKL LVSHGANVNH TTVTNSTPLR AACFDGRLDI VKYLVENNAN ISIANKYDNT C LMIAAYKG ...String: GEFMEGLAGY VYKAASEGKV LTLAALLLNR SESDIRYLLG YVSQQGGQRS TPLIIAARNG HAKVVRLLLE HYRVQTQQTG TVRFDGYVI DGATALWCAA GAGHFEVVKL LVSHGANVNH TTVTNSTPLR AACFDGRLDI VKYLVENNAN ISIANKYDNT C LMIAAYKG HTDVVRYLLE QRADPNAKAH CGATALHFAA EAGHIDIVKE LIKWRAAIVV NGHGMTPLKV AAESCKADVV EL LLSHADC DRRSRIEALE LLGASFANDR ENYDIIKTYH YLYLAMLERF QDGDNILEKE VLPPIHAYGN RTECRNPQEL ESI RQDRDA LHMEGLIVRE RILGADNIDV SHPIIYRGAV YADNMEFEQC IKLWLHALHL RQKGNRNTHK DLLRFAQVFS QMIH LNETV KAPDIECVLR CSVLEIEQSM NRVKNISDAD VHNAMDNYEC NLYTFLYLVC ISTKTQCSEE DQCKINKQIY NLIHL DPRT REGFTLLHLA VNSNTPVDDF HTNDVCSFPN ALVTKLLLDC GAEVNAVDNE GNSALHIIVQ YNRPISDFLT LHSIII SLV EAGAHTDMTN KQNKTPLDKS TTGVSEILLK TQMKMSLKCL AARAVRANDI NYQDQIPRTL EEFVGFH UniProtKB: Protein fem-1 homolog B |
-Macromolecule #5: Folliculin-interacting protein 1
Macromolecule | Name: Folliculin-interacting protein 1 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 131.499906 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MAPTLFQKLF SKRTGLGAPG RDARDPDCGF SWPLPEFDPS QIRLIVYQDC ERRGRNVLFD SSVKRRNEDI SVSKLGSDAQ VKVFGKCCQ LKPGGDSSSS LDSSVTSSSD IKDQCLKYQG SRCSSDANML GEMMFGSVAM SYKGSTLKIH QIRSPPQLML S KVFTARTG ...String: MAPTLFQKLF SKRTGLGAPG RDARDPDCGF SWPLPEFDPS QIRLIVYQDC ERRGRNVLFD SSVKRRNEDI SVSKLGSDAQ VKVFGKCCQ LKPGGDSSSS LDSSVTSSSD IKDQCLKYQG SRCSSDANML GEMMFGSVAM SYKGSTLKIH QIRSPPQLML S KVFTARTG SSICGSLNTL QDSLEFINQD NNTLKADNNT VINGLLGNIG LSQFCSPRRA FSEQGPLRLI RSASFFAVHS NP MDMPGRE LNEDRDSGIA RSASLSSLLI TPFPSPNSSL TRSCASSYQR RWRRSQTTSL ENGVFPRWSI EESFNLSDES CGP NPGIVR KKKIAIGVIF SLSKDEDENN KFNEFFFSHF PLFESHMNKL KSAIEQAMKM SRRSADASQR SLAYNRIVDA LNEF RTTIC NLYTMPRIGE PVWLTMMSGT PEKNHLCYRF MKEFTFLMEN ASKNQFLPAL ITAVLTNHLA WVPTVMPNGQ PPIKI FLEK HSSQSVDMLA KTHPYNPLWA QLGDLYGAIG SPVRLARTVV VGKRQDMVQR LLYFLTYFIR CSELQETHLL ENGEDE AIV MPGTVITTTL EKGEIEESEY VLVTMHRNKS SLLFKESEEI RTPNCNCKYC SHPLLGQNVE NISQQEREDI QNSSKEL LG ISDECQMISP SDCQEENAVD VKQYRDKLRT CFDAKLETVV CTGSVPVDKC ALSESGLEST EETWQSEKLL DSDSHTGK A MRSTGMVVEK KPPDKIVPAS FSCEAAQTKV TFLIGDSMSP DSDTELRSQA VVDQITRHHT KPLKEERGAI DQHQETKQT TKDQSGESDT QNMVSEEPCE LPCWNHSDPE SMSLFDEYFN DDSIETRTID DVPFKTSTDS KDHCCMLEFS KILCTKNNKQ NNEFCKCIE TVPQDSCKTC FPQQDQRDTL SILVPHGDKE SSDKKIAVGT EWDIPRNESS DSALGDSESE DTGHDMTRQV S SYYGGEQE DWAEEDEIPF PGSKLIEVSA VQPNIANFGR SLLGGYCSSY VPDFVLQGIG SDERFRQCLM SDLSHAVQHP VL DEPIAEA VCIIADMDKW TVQVASSQRR VTDNKLGKEV LVSSLVSNLL HSTLQLYKHN LSPNFCVMHL EDRLQELYFK SKM LSEYLR GQMRVHVKEL GVVLGIESSD LPLLAAVAST HSPYVAQILL ENLYFQ UniProtKB: Folliculin-interacting protein 1 |
-Macromolecule #6: ZINC ION
Macromolecule | Name: ZINC ION / type: ligand / ID: 6 / Number of copies: 1 / Formula: ZN |
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Molecular weight | Theoretical: 65.409 Da |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 1.93 mg/mL |
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Buffer | pH: 7.5 |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.5 µm |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |