Entry Database : EMDB / ID : EMD-52097 Downloads & linksTitle Co-chaperone Bag1-bound human 26S proteasome in SBAG1 state Map dataDeepemhancer processed map Details SampleComplex : Co-chaperone Bag1-bound human 26S proteasome in SBAG1 stateProtein or peptide : x 33 typesLigand : x 2 types Details Keywords Protein degradation / protease / AAA+ ATPase / Hsp70 / cochaperone / Bag1 / Complex / ubiquitin / HYDROLASEFunction / homology Function and homology informationFunction Domain/homology Component
adenyl-nucleotide exchange factor activity / positive regulation of smooth muscle cell apoptotic process / thyrotropin-releasing hormone receptor binding / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / nuclear proteasome complex / host-mediated perturbation of viral transcription / positive regulation of inclusion body assembly / Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases / proteasome accessory complex ... adenyl-nucleotide exchange factor activity / positive regulation of smooth muscle cell apoptotic process / thyrotropin-releasing hormone receptor binding / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / nuclear proteasome complex / host-mediated perturbation of viral transcription / positive regulation of inclusion body assembly / Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases / proteasome accessory complex / integrator complex / meiosis I / purine ribonucleoside triphosphate binding / Antigen processing: Ub, ATP-independent proteasomal degradation / proteasome regulatory particle / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / protein K63-linked deubiquitination / negative regulation of programmed cell death / metal-dependent deubiquitinase activity / Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / proteasome core complex / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Somitogenesis / K63-linked deubiquitinase activity / Resolution of D-loop Structures through Holliday Junction Intermediates / Impaired BRCA2 binding to RAD51 / proteasome binding / transcription factor binding / regulation of protein catabolic process / myofibril / : / proteasome storage granule / Presynaptic phase of homologous DNA pairing and strand exchange / general transcription initiation factor binding / polyubiquitin modification-dependent protein binding / protein deubiquitination / Regulation of HSF1-mediated heat shock response / blastocyst development / immune system process / NF-kappaB binding / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / endopeptidase activator activity / proteasome assembly / threonine-type endopeptidase activity / proteasome core complex, alpha-subunit complex / mRNA export from nucleus / enzyme regulator activity / regulation of proteasomal protein catabolic process / inclusion body / proteasome complex / TBP-class protein binding / : / Degradation of CDH1 / sarcomere / stem cell differentiation / Degradation of CRY and PER proteins / Regulation of activated PAK-2p34 by proteasome mediated degradation / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / Assembly of the pre-replicative complex / negative regulation of inflammatory response to antigenic stimulus / Vpu mediated degradation of CD4 / P-body / Degradation of DVL / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / Degradation of AXIN / lipopolysaccharide binding / Hh mutants are degraded by ERAD / Activation of NF-kappaB in B cells / G2/M Checkpoints / Degradation of GLI1 by the proteasome / Hedgehog ligand biogenesis / Defective CFTR causes cystic fibrosis / Autodegradation of the E3 ubiquitin ligase COP1 / Regulation of RUNX3 expression and activity / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Negative regulation of NOTCH4 signaling / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Hedgehog 'on' state / Vif-mediated degradation of APOBEC3G / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 Similarity search - Function Molecular chaperone regulator BAG / BAG domain superfamily / BAG domain / BAG domain / BAG domain profile. / BAG domains, present in regulator of Hsp70 proteins / : / Ubiquitin interaction motif / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix ... Molecular chaperone regulator BAG / BAG domain superfamily / BAG domain / BAG domain / BAG domain profile. / BAG domains, present in regulator of Hsp70 proteins / : / Ubiquitin interaction motif / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix / 26S proteasome non-ATPase regulatory subunit Rpn12 / 26S proteasome regulatory subunit, C-terminal / Proteasome regulatory subunit C-terminal / 26S proteasome regulatory subunit RPN5, C-terminal domain / : / 26S proteasome regulatory subunit RPN5 C-terminal domain / PSD13 N-terminal repeats / 26S proteasome regulatory subunit Rpn6, N-terminal / 6S proteasome subunit Rpn6, C-terminal helix domain / 26S proteasome regulatory subunit RPN6 N-terminal domain / 26S proteasome subunit RPN6 C-terminal helix domain / 26S Proteasome non-ATPase regulatory subunit 13 / : / 26S proteasome subunit RPN2, N-terminal domain / 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn2/Psmd1 subunit / 26S proteasome regulatory subunit RPN2, C-terminal / 26S proteasome regulatory subunit RPN2 C-terminal domain / Proteasome subunit Rpn10 / 26S Proteasome non-ATPase regulatory subunit 7/8 / : / 26S proteasome regulatory subunit RPN11 C-terminal domain / DSS1/SEM1 / DSS1/SEM1 family / DSS1_SEM1 / 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit / RPN1, N-terminal / 26S proteasome non-ATPase regulatory subunit RPN1, C-terminal / RPN1 N-terminal domain / 26S proteasome non-ATPase regulatory subunit RPN1 C-terminal / Ubiquitin-interacting motif. / Proteasome/cyclosome repeat / : / 26S proteasome regulatory subunit 7, OB domain / Proteasome/cyclosome repeat / : / : / : / PSMD12/CSN4, N-terminal / 26S proteasome regulatory subunit Rpn7/COP9 signalosome complex subunit 1 / 26S proteasome regulatory subunit Rpn7, N-terminal / 26S proteasome subunit RPN7 / von Willebrand factor type A domain / 26S Proteasome non-ATPase regulatory subunit 12/COP9 signalosome complex subunit 4 / : / PCI/PINT associated module / Proteasomal ATPase OB C-terminal domain / Proteasomal ATPase OB C-terminal domain / HEAT repeats / Proteasome subunit alpha 1 / CSN8/PSMD8/EIF3K / CSN8/PSMD8/EIF3K family / Rpn11/EIF3F, C-terminal / Maintenance of mitochondrial structure and function / : / motif in proteasome subunits, Int-6, Nip-1 and TRIP-15 / PCI domain / Proteasome component (PCI) domain / PCI domain profile. / Ubiquitin interacting motif / Ubiquitin-interacting motif (UIM) domain profile. / JAB1/Mov34/MPN/PAD-1 ubiquitin protease / Proteasome beta subunit, C-terminal / Proteasome beta subunits C terminal / Proteasome subunit beta 4 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha5 / Proteasome subunit alpha6 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit / Proteasome beta-type subunit, conserved site / Proteasome subunit A N-terminal signature / Proteasome alpha-type subunits signature. / Proteasome alpha-subunit, N-terminal domain / Proteasome subunit A N-terminal signature Add an annotation / VWFA domain profile. / von Willebrand factor (vWF) type A domain / Proteasome B-type subunit / Proteasome beta-type subunit profile. / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / Proteasome subunit / Proteasome, subunit alpha/beta / von Willebrand factor, type A / JAB/MPN domain / JAB1/MPN/MOV34 metalloenzyme domain / AAA ATPase, AAA+ lid domain / AAA+ lid domain / MPN domain Similarity search - Domain/homology 26S proteasome regulatory subunit 10B / 26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / 26S proteasome non-ATPase regulatory subunit 14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / 26S proteasome regulatory subunit 6A / Proteasome subunit beta type-1 / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-2 ... 26S proteasome regulatory subunit 10B / 26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / 26S proteasome non-ATPase regulatory subunit 14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / 26S proteasome regulatory subunit 6A / Proteasome subunit beta type-1 / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-2 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-4 / Proteasome subunit alpha type-5 / Proteasome subunit beta type-4 / Proteasome subunit beta type-6 / Proteasome subunit beta type-5 / 26S proteasome regulatory subunit 7 / 26S proteasome regulatory subunit 6B / 26S proteasome non-ATPase regulatory subunit 8 / Proteasome subunit beta type-3 / Proteasome subunit beta type-2 / 26S proteasome non-ATPase regulatory subunit 7 / 26S proteasome non-ATPase regulatory subunit 4 / 26S proteasome complex subunit SEM1 / Proteasome subunit alpha type-6 / 26S proteasome regulatory subunit 4 / 26S proteasome regulatory subunit 8 / 26S proteasome non-ATPase regulatory subunit 2 / 26S proteasome non-ATPase regulatory subunit 6 / Proteasome subunit beta type-7 / 26S proteasome non-ATPase regulatory subunit 1 / BAG family molecular chaperone regulator 1 / 26S proteasome non-ATPase regulatory subunit 13 Similarity search - ComponentBiological species Homo sapiens (human)Method single particle reconstruction / cryo EM / Resolution : 3.6 Å Details AuthorsCheng TC / Sakata E / Muntaner J / Maestro-Lopez M / Cuellar J / Valpuesta JM Funding support Germany, Spain, 6 items Details Hide detailsOrganization Grant number Country German Research Foundation (DFG) 154113120 Germany German Research Foundation (DFG) EXC 2067/1-390729940 Germany German Research Foundation (DFG) 448415290 Germany Spanish Ministry of Science, Innovation, and Universities PID2022-137175NB-I00 Spain Spanish Ministry of Science, Innovation, and Universities AEI/10.13039/501100011033 Spain Spanish Ministry of Science, Innovation, and Universities CEX2023-001386-S Spain
CitationJournal : To Be Published Title : Structures of the 26S proteasome in complex with cochaperone Bag1Authors : Maestro-Lopez M / Cheng TC / Muntaner J / Menendez M / Alonso M / Schweitzer A / Cuellar J / Valpuesta JM / Sakata E History Deposition Nov 14, 2024 - Header (metadata) release Dec 31, 2025 - Map release Dec 31, 2025 - Update Dec 31, 2025 - Current status Dec 31, 2025 Processing site : PDBe / Status : Released
Show all Show less