+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-35092 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Cryo-EM structure of the SIN3S complex from S. pombe | |||||||||
Map data | ||||||||||
Sample |
| |||||||||
Function / homology | Function and homology information histone H3K9 deacetylase activity / histone H3K14 deacetylase activity / histone H4K16 deacetylase activity / : / SUMOylation of chromatin organization proteins / HDACs deacetylate histones / H3-H4 histone complex chaperone activity / Rpd3L complex / Rpd3S complex / Rpd3L-Expanded complex ...histone H3K9 deacetylase activity / histone H3K14 deacetylase activity / histone H4K16 deacetylase activity / : / SUMOylation of chromatin organization proteins / HDACs deacetylate histones / H3-H4 histone complex chaperone activity / Rpd3L complex / Rpd3S complex / Rpd3L-Expanded complex / histone deacetylase / protein lysine deacetylase activity / DNA repair-dependent chromatin remodeling / histone deacetylase activity / NuA4 histone acetyltransferase complex / Sin3-type complex / heterochromatin formation / epigenetic regulation of gene expression / transcription initiation-coupled chromatin remodeling / mitotic spindle / transcription corepressor activity / histone binding / chromatin remodeling / DNA repair / DNA damage response / chromatin / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / negative regulation of transcription by RNA polymerase II / metal ion binding / nucleus / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | Schizosaccharomyces pombe (fission yeast) / fission yeast (fission yeast) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.9 Å | |||||||||
Authors | Wang C / Guo Z / Zhan X | |||||||||
Funding support | China, 1 items
| |||||||||
Citation | Journal: Cell Discov / Year: 2023 Title: Two assembly modes for SIN3 histone deacetylase complexes. Authors: Chengcheng Wang / Zhouyan Guo / Chen Chu / Yichen Lu / Xiaofeng Zhang / Xiechao Zhan / Abstract: The switch-independent 3 (SIN3)/histone deacetylase (HDAC) complexes play essential roles in regulating chromatin accessibility and gene expression. There are two major types of SIN3/HDAC complexes ...The switch-independent 3 (SIN3)/histone deacetylase (HDAC) complexes play essential roles in regulating chromatin accessibility and gene expression. There are two major types of SIN3/HDAC complexes (named SIN3L and SIN3S) targeting different chromatin regions. Here we present the cryo-electron microscopy structures of the SIN3L and SIN3S complexes from Schizosaccharomyces pombe (S. pombe), revealing two distinct assembly modes. In the structure of SIN3L, each Sin3 isoform (Pst1 and Pst3) interacts with one histone deacetylase Clr6, and one WD40-containing protein Prw1, forming two lobes. These two lobes are bridged by two vertical coiled-coil domains from Sds3/Dep1 and Rxt2/Png2, respectively. In the structure of SIN3S, there is only one lobe organized by another Sin3 isoform Pst2; each of the Cph1 and Cph2 binds to an Eaf3 molecule, providing two modules for histone recognition and binding. Notably, the Pst1 Lobe in SIN3L and the Pst2 Lobe in SIN3S adopt similar conformation with their deacetylase active sites exposed to the space; however, the Pst3 Lobe in SIN3L is in a compact state with its active center buried inside and blocked. Our work reveals two classical organization mechanisms for the SIN3/HDAC complexes to achieve specific targeting and provides a framework for studying the histone deacetylase complexes. | |||||||||
History |
|
-Structure visualization
Supplemental images |
---|
-Downloads & links
-EMDB archive
Map data | emd_35092.map.gz | 167.9 MB | EMDB map data format | |
---|---|---|---|---|
Header (meta data) | emd-35092-v30.xml emd-35092.xml | 20.1 KB 20.1 KB | Display Display | EMDB header |
Images | emd_35092.png | 63.6 KB | ||
Others | emd_35092_half_map_1.map.gz emd_35092_half_map_2.map.gz | 165.1 MB 165.1 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-35092 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-35092 | HTTPS FTP |
-Related structure data
Related structure data | 8i02MC 8i03C M: atomic model generated by this map C: citing same article (ref.) |
---|---|
Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
---|
-Map
File | Download / File: emd_35092.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Voxel size | X=Y=Z: 1.087 Å | ||||||||||||||||||||
Density |
| ||||||||||||||||||||
Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
|
-Supplemental data
-Half map: #2
File | emd_35092_half_map_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: #1
File | emd_35092_half_map_2.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Sample components
-Entire : The SIN3S complex
Entire | Name: The SIN3S complex |
---|---|
Components |
|
-Supramolecule #1: The SIN3S complex
Supramolecule | Name: The SIN3S complex / type: complex / ID: 1 / Chimera: Yes / Parent: 0 / Macromolecule list: #1-#6 |
---|---|
Source (natural) | Organism: Schizosaccharomyces pombe (fission yeast) |
-Macromolecule #1: Cph1
Macromolecule | Name: Cph1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 45.046082 KDa |
Sequence | String: MASSINNSSQ PTVPSISNNS HGDSFVNEGP PSNFKNNSLT SSTHSSTDHV NVLPISQDKE MDISSPVKKQ KASYSNKSPN KAPIQKSRG SSLKSHLETE SQQTPVKRRR RKATIRNVDY CSACGGRGLF ICCEGCPCSF HLSCLEPPLT PENIPEGSWF C VTCSIKSH ...String: MASSINNSSQ PTVPSISNNS HGDSFVNEGP PSNFKNNSLT SSTHSSTDHV NVLPISQDKE MDISSPVKKQ KASYSNKSPN KAPIQKSRG SSLKSHLETE SQQTPVKRRR RKATIRNVDY CSACGGRGLF ICCEGCPCSF HLSCLEPPLT PENIPEGSWF C VTCSIKSH HPPKHPLSIW SQLYDWIDSQ NPSQYRLPDD LVHYFHGISR GDTGAYKETE GEMDTDEFSA LPTGSSITNL AY CGYCSKP SMGACWVYGC QLCDTFYHKN CKEHAKKCSH DSIGKKGMRV PKNAVVIRTP LVLDTTSNTL NPKVMISGWQ FLM GEFPSD ELLYFPRLPV SCLYKVSEDG LIKDFLYAIG IEAKKFNNER KKRELEVIPP DVKSALLPAR THPNLPIALR TLFN KART |
-Macromolecule #2: Paired amphipathic helix protein pst2
Macromolecule | Name: Paired amphipathic helix protein pst2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 125.011609 KDa |
Sequence | String: MEQTLAILKN DNSTLVAEMQ NQLVHDFSPN GTALPELDIK AFVQKLGQRL CHRPYVYSAF MDVVKALHNE IVDFPGFIER ISVILRDYP DLLEYLNIFL PSSYKYLLSN SGANFTLQFT TPSGPVSTPS TYVATYNDLP CTYHRAIGFV SRVRRALLSN P EQFFKLQD ...String: MEQTLAILKN DNSTLVAEMQ NQLVHDFSPN GTALPELDIK AFVQKLGQRL CHRPYVYSAF MDVVKALHNE IVDFPGFIER ISVILRDYP DLLEYLNIFL PSSYKYLLSN SGANFTLQFT TPSGPVSTPS TYVATYNDLP CTYHRAIGFV SRVRRALLSN P EQFFKLQD SLRKFKNSEC SLSELQTIVT SLLAEHPSLA HEFHNFLPSS IFFGSKPPLG SFPLRGIQSS QFTLSNISDL LS QSRPDNL SPFSHLSNES SDFFKNVKNV LTDVETYHEF LKLLNLYVQG IIDRNILVSR GFGFLKSNSG LWRSFLSLTS LSP EEFLSV YNSACSDFPE CGPSYRLLPV EERNISCSGR DDFAWGILND DWVSHPTWAS EESGFIVQRK TPYEEAMTKL EEER YEFDR HIEATSWTIK SLKKIQNRIN ELPEEERETY TLEEGLGLPS KSIYKKTIKL VYTSEHAEEM FKALERMPCL TLPLV ISRL EEKNEEWKSV KRSLQPGWRS IEFKNYDKSL DSQCVYFKAR DKKNVSSKFL LAEADILRSQ AKLHFPLRSR SAFEFS FVY DNEIVLFDTC YMVCTYIVCN SPSGLKKVEH FFKNILPLHF GLEKDKFSIF LDQVFRGPDY DVNAPNIVGN KPVRRKR SN SITQLTEFVK QPKINGQRES RSAAAARKKE ESGNKSQSNS QNSLSDESGN VTPVSKKQLS QPAAAIKASL KYPSHPDS L LEHQDHAGDT ENEMHDDVDK EQFGYSSMYV FFRLFNLLYE RLYELQRLED QVSIIQQRII PNPVSQKQKI WRDRWNDLS DVPDEKTHYE NTYVMILRLI YGIVDQSAFE DYLRFYYGNK AYKIYTIDKL VWSAAKQVHH IVSDGKYKFV TSLVEQNSSA SPKKNYDDF LYRLEIEKLL NPDEILFRFC WINKFKSFGI KIMKRANLIV DQSLDTQRRV WKKYVQNYRI QKLTEEISYK N YRCPFLCR NIEKERTVEQ LVSRLQTKLL RSAELVSGLQ AKLCLDSFKL LYLPRTEDSY IDASYLRLRD TDFLDCQNKR KQ RWRNRWE SLLKSVRGTS DNTAEVNFDA DINALFIP |
-Macromolecule #3: Histone deacetylase clr6
Macromolecule | Name: Histone deacetylase clr6 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO / EC number: histone deacetylase |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 46.165844 KDa |
Sequence | String: MGFGKKKVSY FYDEDVGNYH YGPQHPMKPH RVRMVHNLVV NYNLYEKLNV ITPVRATRND MTRCHTDEYI EFLWRVTPDT MEKFQPHQL KFNVGDDCPV FDGLYEFCSI SAGGSIGAAQ ELNSGNAEIA INWAGGLHHA KKREASGFCY VNDIALAALE L LKYHQRVL ...String: MGFGKKKVSY FYDEDVGNYH YGPQHPMKPH RVRMVHNLVV NYNLYEKLNV ITPVRATRND MTRCHTDEYI EFLWRVTPDT MEKFQPHQL KFNVGDDCPV FDGLYEFCSI SAGGSIGAAQ ELNSGNAEIA INWAGGLHHA KKREASGFCY VNDIALAALE L LKYHQRVL YIDIDVHHGD GVEEFFYTTD RVMTCSFHKF GEYFPGTGHI KDTGIGTGKN YAVNVPLRDG IDDESYESVF KP VISHIMQ WFRPEAVILQ CGTDSLAGDR LGCFNLSMKG HSMCVDFVKS FNLPMICVGG GGYTVRNVAR VWTYETGLLA GEE LDENLP YNDYLQYYGP DYKLNVLSNN MENHNTRQYL DSITSEIIEN LRNLSFAPSV QMHKTPGDFT FENAEKQNIA KEEI MDERV |
-Macromolecule #4: RbAp48-related WD40 repeat-containing protein prw1
Macromolecule | Name: RbAp48-related WD40 repeat-containing protein prw1 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 48.528926 KDa |
Sequence | String: MAVSAVPHPS KQAQASEEGI NQEKCINEEY KIWKKNSPFL YDLIITRALE WPCMSLQWYP EQQIFAEHGY TEQKMFLGVR ADVGKYLLA VASIQLPYLN QTVPPTTMEG ASAGDESSLR VNISNLYSHP ESVCSAKLMP QDDSCVATVG NYHNDVLVFD K ESFESYSS ...String: MAVSAVPHPS KQAQASEEGI NQEKCINEEY KIWKKNSPFL YDLIITRALE WPCMSLQWYP EQQIFAEHGY TEQKMFLGVR ADVGKYLLA VASIQLPYLN QTVPPTTMEG ASAGDESSLR VNISNLYSHP ESVCSAKLMP QDDSCVATVG NYHNDVLVFD K ESFESYSS ASESPLKPKY RLTKHTQPCT SVCWNFLSKG TLVSGSQDAT LSCWDLNAYN ESDSASVLKV HISSHEKQVS DV RFHYKHQ DLLASVSYDQ YLHVHDIRRP DASTKPARSV HAHSGPIHSV AFNPHNDFIL ATCSTDKTIA LWDLRNLNQR LHT LEGHED IVTKISFSPH EEPILASTSA DRRTLVWDLS RIGEDQPAEE AQDGPPELLF MHGGHTSCTI DMDWCPNYNW TMAT AAEDN ILQIWTPSRS IWGNEQLEED ATAYLS |
-Macromolecule #5: Chromatin modification-related protein eaf3
Macromolecule | Name: Chromatin modification-related protein eaf3 / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 39.191199 KDa |
Sequence | String: MAVSYKVNER VLCFHGPLLY EAKIVDTEMK GDVTTYLIHY KGWKNSWDEW VEQDRILQWT EENLKTQKEL KNAAISTRQK PTSKKSASS TSKHDSTGVK TSGKRSRESS TVTVDGDSHE LPSRIKTQKS ESPIPQQVKR DGTTDAKNEE TTKPENNEKD D FEEEPPLP ...String: MAVSYKVNER VLCFHGPLLY EAKIVDTEMK GDVTTYLIHY KGWKNSWDEW VEQDRILQWT EENLKTQKEL KNAAISTRQK PTSKKSASS TSKHDSTGVK TSGKRSRESS TVTVDGDSHE LPSRIKTQKS ESPIPQQVKR DGTTDAKNEE TTKPENNEKD D FEEEPPLP KHKISVPDVL KLWLVDDWEN ITKNQQLIAI PRNPTVRAAI AAFRESKISH LNNEIDVDVF EQAMAGLVIY FN KCLGNML LYRFERQQYL EIRQQYPDTE MCDLYGVEHL IRLFVSLPEL IDRTNMDSQS IECLLNYIEE FLKYLVLHKD EYF IKEYQN APPNYRSLVG V |
-Macromolecule #6: Uncharacterized protein C2F7.07c
Macromolecule | Name: Uncharacterized protein C2F7.07c / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: fission yeast (fission yeast) |
Molecular weight | Theoretical: 68.871703 KDa |
Sequence | String: MDAKPWNHTS EAFQASILED LKIIQKAGAE RNAKSSHGSI NSRSASPNKA TSRRNRAQNG NSNGRASVDN SDDGSKDDLD YSPSVKRKH VNGEGAEKGD HDTSNNGPSI TKLRRKVRRT YDTKDGFVAW NTLDDDFRPI VPDQERSRKI NPQKGNNNNL L KENKSLKT ...String: MDAKPWNHTS EAFQASILED LKIIQKAGAE RNAKSSHGSI NSRSASPNKA TSRRNRAQNG NSNGRASVDN SDDGSKDDLD YSPSVKRKH VNGEGAEKGD HDTSNNGPSI TKLRRKVRRT YDTKDGFVAW NTLDDDFRPI VPDQERSRKI NPQKGNNNNL L KENKSLKT TAKDLSDISS SSMKKANNSS KPLFSGKLTF KANIPVPTSE VVTENNVTRN VTVYSNQKHL GNESENFNDM EG RAEDISS NELLPTPEEY PYRYNNDYCS ACHGPGNFLC CETCPNSFHF TCIDPPIEEK NLPDDAWYCN ECKHHSLYNE LDE QEELES NVKEEGTMVD VWMQLCTYID SHNPIQFHLP HSISSFFRGV GSGVMGEYIE TDVLKHLKSS RRSNGEERDP LLLK SKSGT PILCFRCHKS ALVSQSILAC DYCNSYWHPD CLNPPLATLP SNLRKWKCPN HSDHVTPRYR LPEKAKVIRV GLPRG FKNK GNIVIDENED EPSVQTIQLQ GKIRVVPSKP FKLNFLEQIR DNVINLRKMV EQDEQLCIET FSKFDFYATR DCELPL RIL CDVANDNLEN DDYVLALRDL LRISKWDPNQ PVPAPFDLAN LLSY |
-Macromolecule #7: ZINC ION
Macromolecule | Name: ZINC ION / type: ligand / ID: 7 / Number of copies: 6 / Formula: ZN |
---|---|
Molecular weight | Theoretical: 65.409 Da |
-Macromolecule #8: POTASSIUM ION
Macromolecule | Name: POTASSIUM ION / type: ligand / ID: 8 / Number of copies: 2 / Formula: K |
---|---|
Molecular weight | Theoretical: 39.098 Da |
-Experimental details
-Structure determination
Method | cryo EM |
---|---|
Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.4 |
---|---|
Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
---|---|
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.3000000000000003 µm / Nominal defocus min: 1.8 µm |
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2 |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Initial angle assignment | Type: MAXIMUM LIKELIHOOD |
---|---|
Final angle assignment | Type: MAXIMUM LIKELIHOOD |
Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 777199 |