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- EMDB-27866: CRYO-EM STRUCTURE OF the human MPSF IN COMPLEX WITH THE AUUAAA po... -
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Open data
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Basic information
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Title | CRYO-EM STRUCTURE OF the human MPSF IN COMPLEX WITH THE AUUAAA poly(A) signal | |||||||||
![]() | mPSF in complex with an 11-mer RNA containing the PAS signal AUUAAA. | |||||||||
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![]() | mRNA / 3'processing / polyadenylation / CPSF / RNA BINDING PROTEIN | |||||||||
Function / homology | ![]() co-transcriptional RNA 3'-end processing, cleavage and polyadenylation pathway / Inhibition of Host mRNA Processing and RNA Silencing / Processing of Intronless Pre-mRNAs / mRNA cleavage and polyadenylation specificity factor complex / collagen trimer / mRNA 3'-UTR AU-rich region binding / Transport of Mature mRNA Derived from an Intronless Transcript / mRNA 3'-end processing / mRNA 3'-end processing / postreplication repair ...co-transcriptional RNA 3'-end processing, cleavage and polyadenylation pathway / Inhibition of Host mRNA Processing and RNA Silencing / Processing of Intronless Pre-mRNAs / mRNA cleavage and polyadenylation specificity factor complex / collagen trimer / mRNA 3'-UTR AU-rich region binding / Transport of Mature mRNA Derived from an Intronless Transcript / mRNA 3'-end processing / mRNA 3'-end processing / postreplication repair / tRNA processing in the nucleus / RNA Polymerase II Transcription Termination / Processing of Capped Intron-Containing Pre-mRNA / fibrillar center / mRNA processing / sequence-specific double-stranded DNA binding / spermatogenesis / intracellular membrane-bounded organelle / enzyme binding / RNA binding / zinc ion binding / nucleoplasm / nucleus Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.53 Å | |||||||||
![]() | Gutierrez PA / Wei J / Sun Y / Tong L | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Molecular basis for the recognition of the AUUAAA polyadenylation signal by mPSF. Authors: Pedro A Gutierrez / Jia Wei / Yadong Sun / Liang Tong / ![]() Abstract: The polyadenylation signal (PAS) is a key sequence element for 3'-end cleavage and polyadenylation of messenger RNA precursors (pre-mRNAs). This hexanucleotide motif is recognized by the mammalian ...The polyadenylation signal (PAS) is a key sequence element for 3'-end cleavage and polyadenylation of messenger RNA precursors (pre-mRNAs). This hexanucleotide motif is recognized by the mammalian polyadenylation specificity factor (mPSF), consisting of CPSF160, WDR33, CPSF30, and Fip1 subunits. Recent studies have revealed how the AAUAAA PAS, the most frequently observed PAS, is recognized by mPSF. We report here the structure of human mPSF in complex with the AUUAAA PAS, the second most frequently identified PAS. Conformational differences are observed for the A1 and U2 nucleotides in AUUAAA compared to the A1 and A2 nucleotides in AAUAAA, while the binding modes of the remaining 4 nt are essentially identical. The 5' phosphate of U2 moves by 2.6 Å and the U2 base is placed near the six-membered ring of A2 in AAUAAA, where it makes two hydrogen bonds with zinc finger 2 (ZF2) of CPSF30, which undergoes conformational changes as well. We also attempted to determine the binding modes of two rare PAS hexamers, AAGAAA and GAUAAA, but did not observe the RNA in the cryo-electron microscopy density. The residues in CPSF30 (ZF2 and ZF3) and WDR33 that recognize PAS are disordered in these two structures. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 59.7 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 19.8 KB 19.8 KB | Display Display | ![]() |
Images | ![]() | 64.3 KB | ||
Filedesc metadata | ![]() | 7.4 KB | ||
Others | ![]() ![]() | 59.5 MB 59.5 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 887.9 KB | Display | ![]() |
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Full document | ![]() | 887.5 KB | Display | |
Data in XML | ![]() | 12.4 KB | Display | |
Data in CIF | ![]() | 14.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8e3iMC ![]() 8e3qC 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
File | ![]() | ||||||||||||||||||||
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Annotation | mPSF in complex with an 11-mer RNA containing the PAS signal AUUAAA. | ||||||||||||||||||||
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: half map A
File | emd_27866_half_map_1.map | ||||||||||||
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Annotation | half map A | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: half map B
File | emd_27866_half_map_2.map | ||||||||||||
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Annotation | half map B | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : human mPSF-AUUAAA RNA complex
Entire | Name: human mPSF-AUUAAA RNA complex |
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Components |
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-Supramolecule #1: human mPSF-AUUAAA RNA complex
Supramolecule | Name: human mPSF-AUUAAA RNA complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Cleavage and polyadenylation specificity factor subunit 1
Macromolecule | Name: Cleavage and polyadenylation specificity factor subunit 1 type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 161.074234 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MYAVYKQAHP PTGLEFSMYC NFFNNSERNL VVAGTSQLYV YRLNRDAEAL TKNDRSTEGK AHREKLELAA SFSFFGNVMS MASVQLAGA KRDALLLSFK DAKLSVVEYD PGTHDLKTLS LHYFEEPELR DGFVQNVHTP RVRVDPDGRC AAMLVYGTRL V VLPFRRES ...String: MYAVYKQAHP PTGLEFSMYC NFFNNSERNL VVAGTSQLYV YRLNRDAEAL TKNDRSTEGK AHREKLELAA SFSFFGNVMS MASVQLAGA KRDALLLSFK DAKLSVVEYD PGTHDLKTLS LHYFEEPELR DGFVQNVHTP RVRVDPDGRC AAMLVYGTRL V VLPFRRES LAEEHEGLVG EGQRSSFLPS YIIDVRALDE KLLNIIDLQF LHGYYEPTLL ILFEPNQTWP GRVAVRQDTC SI VAISLNI TQKVHPVIWS LTSLPFDCTQ ALAVPKPIGG VVVFAVNSLL YLNQSVPPYG VALNSLTTGT TAFPLRTQEG VRI TLDCAQ ATFISYDKMV ISLKGGEIYV LTLITDGMRS VRAFHFDKAA ASVLTTSMVT MEPGYLFLGS RLGNSLLLKY TEKL QEPPA SAVREAADKE EPPSKKKRVD ATAGWSAAGK SVPQDEVDEI EVYGSEAQSG TQLATYSFEV CDSILNIGPC ANAAV GEPA FLSEEFQNSP EPDLEIVVCS GHGKNGALSV LQKSIRPQVV TTFELPGCYD MWTVIAPVRK EEEDNPKGEG TEQEPS TTP EADDDGRRHG FLILSREDST MILQTGQEIM ELDTSGFATQ GPTVFAGNIG DNRYIVQVSP LGIRLLEGVN QLHFIPV DL GAPIVQCAVA DPYVVIMSAE GHVTMFLLKS DSYGGRHHRL ALHKPPLHHQ SKVITLCLYR DLSGMFTTES RLGGARDE L GGRSGPEAEG LGSETSPTVD DEEEMLYGDS GSLFSPSKEE ARRSSQPPAD RDPAPFRAEP THWCLLVREN GTMEIYQLP DWRLVFLVKN FPVGQRVLVD SSFGQPTTQG EARREEATRQ GELPLVKEVL LVALGSRQSR PYLLVHVDQE LLIYEAFPHD SQLGQGNLK VRFKKVPHNI NFREKKPKPS KKKAEGGGAE EGAGARGRVA RFRYFEDIYG YSGVFICGPS PHWLLVTGRG A LRLHPMAI DGPVDSFAPF HNVNCPRGFL YFNRQGELRI SVLPAYLSYD APWPVRKIPL RCTAHYVAYH VESKVYAVAT ST NTPCARI PRMTGEEKEF ETIERDERYI HPQQEAFSIQ LISPVSWEAI PNARIELQEW EHVTCMKTVS LRSEETVSGL KGY VAAGTC LMQGEEVTCR GRILIMDVIE VVPEPGQPLT KNKFKVLYEK EQKGPVTALC HCNGHLVSAI GQKIFLWSLR ASEL TGMAF IDTQLYIHQM ISVKNFILAA DVMKSISLLR YQEESKTLSL VSRDAKPLEV YSVDFMVDNA QLGFLVSDRD RNLMV YMYL PEAKESFGGM RLLRRADFHV GAHVNTFWRT PCRGATEGLS KKSVVWENKH ITWFATLDGG IGLLLPMQEK TYRRLL MLQ NALTTMLPHH AGLNPRAFRM LHVDRRTLQN AVRNVLDGEL LNRYLYLSTM ERSELAKKIG TTPDIILDDL LETDRVT AH F UniProtKB: Cleavage and polyadenylation specificity factor subunit 1 |
-Macromolecule #2: Cleavage and polyadenylation specificity factor subunit 4
Macromolecule | Name: Cleavage and polyadenylation specificity factor subunit 4 type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 27.646055 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GMQEIIASVD HIKFDLEIAV EQQLGAQPLP FPGMDKSGAA VCEFFLKAAC GKGGMCPFRH ISGEKTVVCK HWLRGLCKKG DQCEFLHEY DMTKMPECYF YSKFGECSNK ECPFLHIDPE SKIKDCPWYD RGFCKHGPLC RHRHTRRVIC VNYLVGFCPE G PSCKFMHP ...String: GMQEIIASVD HIKFDLEIAV EQQLGAQPLP FPGMDKSGAA VCEFFLKAAC GKGGMCPFRH ISGEKTVVCK HWLRGLCKKG DQCEFLHEY DMTKMPECYF YSKFGECSNK ECPFLHIDPE SKIKDCPWYD RGFCKHGPLC RHRHTRRVIC VNYLVGFCPE G PSCKFMHP RFELPMGTTE QPPLPQQTQP PAKQRTPQVI GVMQSQNSSA GNRGPRPLEQ VTCYKCGEKG HYANRCTKGH LA FLSGQ UniProtKB: Cleavage and polyadenylation specificity factor subunit 4 |
-Macromolecule #4: pre-mRNA 3' end processing protein WDR33
Macromolecule | Name: pre-mRNA 3' end processing protein WDR33 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 65.912039 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MATEIGSPPR FFHMPRFQHQ APRQLFYKRP DFAQQQAMQQ LTFDGKRMRK AVNRKTIDYN PSVIKYLENR IWQRDQRDMR AIQPDAGYY NDLVPPIGML NNPMNAVTTK FVRTSTNKVK CPVFVVRWTP EGRRLVTGAS SGEFTLWNGL TFNFETILQA H DSPVRAMT ...String: MATEIGSPPR FFHMPRFQHQ APRQLFYKRP DFAQQQAMQQ LTFDGKRMRK AVNRKTIDYN PSVIKYLENR IWQRDQRDMR AIQPDAGYY NDLVPPIGML NNPMNAVTTK FVRTSTNKVK CPVFVVRWTP EGRRLVTGAS SGEFTLWNGL TFNFETILQA H DSPVRAMT WSHNDMWMLT ADHGGYVKYW QSNMNNVKMF QAHKEAIREA SFSPTDNKFA TCSDDGTVRI WDFLRCHEER IL RGHGADV KCVDWHPTKG LVVSGSKDSQ QPIKFWDPKT GQSLATLHAH KNTVMEVKLN LNGNWLLTAS RDHLCKLFDI RNL KEELQV FRGHKKEATA VAWHPVHEGL FASGGSDGSL LFWHVGVEKE VGGMEMAHEG MIWSLAWHPL GHILCSGSND HTSK FWTRN RPGDKMRDRY NLNLLPGMSE DGVEYDDLEP NSLAVIPGMG IPEQLKLAME QEQMGKDESN EIEMTIPGLD WGMEE VMQK DQKKVPQKKV PYAKPIPAQF QQAWMQNKVP IPAPNEVLND RKEDIKLEEK KKTQAEIEQE MATLQYTNPQ LLEQLK IER LAQKQVEQI UniProtKB: pre-mRNA 3' end processing protein WDR33 |
-Macromolecule #3: RNA (5'-R(P*CP*AP*UP*UP*AP*AP*AP*CP*AP*AP*C)-3')
Macromolecule | Name: RNA (5'-R(P*CP*AP*UP*UP*AP*AP*AP*CP*AP*AP*C)-3') / type: rna / ID: 3 / Number of copies: 1 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 3.458154 KDa |
Sequence | String: CAUUAAACAA C |
-Macromolecule #5: ZINC ION
Macromolecule | Name: ZINC ION / type: ligand / ID: 5 / Number of copies: 3 / 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 | 0.2 mg/mL |
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Buffer | pH: 8 / Details: 25 mM Tris (pH 8.0), 150 mM NaCl, and 5 mM DTT |
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 1 / Number real images: 4607 / Average electron dose: 58.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: -2.0 µm / Nominal defocus min: -1.0 µm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |