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- EMDB-32688: Cryo-EM structure of VWF D'D3 dimer complexed with D1D2 at 3.27 a... -

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Basic information

Entry
Database: EMDB / ID: EMD-32688
TitleCryo-EM structure of VWF D'D3 dimer complexed with D1D2 at 3.27 angstron resolution (2 units)
Map data
Sample
  • Complex: VWF D'D3-D1D2 complex (2 units)
    • Protein or peptide: von Willebrand factor
  • Protein or peptide: von Willebrand antigen 2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: CALCIUM IONCalcium
Function / homology
Function and homology information


Weibel-Palade body / Defective F8 binding to von Willebrand factor / hemostasis / Platelet Adhesion to exposed collagen / platelet alpha granule / positive regulation of intracellular signal transduction / GP1b-IX-V activation signalling / p130Cas linkage to MAPK signaling for integrins / cell-substrate adhesion / immunoglobulin binding ...Weibel-Palade body / Defective F8 binding to von Willebrand factor / hemostasis / Platelet Adhesion to exposed collagen / platelet alpha granule / positive regulation of intracellular signal transduction / GP1b-IX-V activation signalling / p130Cas linkage to MAPK signaling for integrins / cell-substrate adhesion / immunoglobulin binding / Defective F8 cleavage by thrombin / Platelet Aggregation (Plug Formation) / GRB2:SOS provides linkage to MAPK signaling for Integrins / Integrin cell surface interactions / collagen binding / Intrinsic Pathway of Fibrin Clot Formation / extracellular matrix / Integrin signaling / platelet alpha granule lumen / Signaling by high-kinase activity BRAF mutants / MAP2K and MAPK activation / platelet activation / response to wounding / Signaling by RAF1 mutants / Signaling by moderate kinase activity BRAF mutants / Paradoxical activation of RAF signaling by kinase inactive BRAF / Signaling downstream of RAS mutants / Signaling by BRAF and RAF1 fusions / blood coagulation / integrin binding / Platelet degranulation / protein-folding chaperone binding / collagen-containing extracellular matrix / protease binding / cell adhesion / endoplasmic reticulum / extracellular space / extracellular exosome / extracellular region / identical protein binding
Similarity search - Function
von Willebrand factor, VWA N-terminal domain / Von Willebrand factor / VWA N-terminal / C8 domain / Uncharacterised domain, cysteine-rich / C8 / von Willebrand factor, type D domain / von Willebrand factor type D domain / VWFD domain profile. / von Willebrand factor (vWF) type D domain ...von Willebrand factor, VWA N-terminal domain / Von Willebrand factor / VWA N-terminal / C8 domain / Uncharacterised domain, cysteine-rich / C8 / von Willebrand factor, type D domain / von Willebrand factor type D domain / VWFD domain profile. / von Willebrand factor (vWF) type D domain / C-terminal cystine knot signature. / von Willebrand factor (vWF) type C domain / Trypsin Inhibitor-like, cysteine rich domain / Serine protease inhibitor-like superfamily / Trypsin Inhibitor like cysteine rich domain / C-terminal cystine knot domain profile. / Cystine knot, C-terminal / C-terminal cystine knot-like domain (CTCK) / von Willebrand factor type C domain / VWFC domain signature. / VWFC domain profile. / von Willebrand factor (vWF) type C domain / VWFC domain / von Willebrand factor type A domain / von Willebrand factor (vWF) type A domain / VWFA domain profile. / von Willebrand factor, type A / von Willebrand factor A-like domain superfamily
Similarity search - Domain/homology
von Willebrand factor
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.267 Å
AuthorsZeng JW / Shu ZM / Zhou AW
Funding support China, 1 items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2016YFA0501103 China
CitationJournal: Blood / Year: 2022
Title: Structural basis of von Willebrand factor multimerization and tubular storage.
Authors: Jianwei Zeng / Zimei Shu / Qian Liang / Jing Zhang / Wenman Wu / Xuefeng Wang / Aiwu Zhou /
Abstract: The von Willebrand factor (VWF) propeptide (domains D1D2) is essential for the assembly of VWF multimers and its tubular storage in Weibel-Palade bodies. However, detailed molecular mechanism ...The von Willebrand factor (VWF) propeptide (domains D1D2) is essential for the assembly of VWF multimers and its tubular storage in Weibel-Palade bodies. However, detailed molecular mechanism underlying this propeptide dependence is unclear. Here, we prepared Weibel-Palade body-like tubules using the N-terminal fragment of VWF and solved the cryo-electron microscopy structures of the tubule at atomic resolution. Detailed structural and biochemical analysis indicate that the propeptide forms a homodimer at acidic pH through the D2:D2 binding interface and then recruits 2 D'D3 domains, forming an intertwined D1D2D'D3 homodimer in essence. Stacking of these homodimers by the intermolecular D1:D2 interfaces brings 2 D3 domains face-to-face and facilitates their disulfide linkages and multimerization of VWF. Sequential stacking of these homodimers leads to a right-hand helical tubule for VWF storage. The clinically identified VWF mutations in the propeptide disrupted different steps of the assembling process, leading to diminished VWF multimers in von Willebrand diseases (VWD). Overall, these results indicate that the propeptide serves as a pH-sensing template for VWF multimerization and tubular storage. This sheds light on delivering normal propeptide as a template to rectify the defects in multimerization of VWD mutants.
History
DepositionJan 24, 2022-
Header (metadata) releaseMay 25, 2022-
Map releaseMay 25, 2022-
UpdateJun 15, 2022-
Current statusJun 15, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32688.png

Downloads & links

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Map

FileDownload / File: emd_32688.map.gz / Format: CCP4 / Size: 47.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.97 Å
Density
Contour LevelBy AUTHOR: 0.005
Minimum - Maximum-0.053791784 - 0.11102053
Average (Standard dev.)0.00077843026 (±0.0046462095)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions299195213
Spacing195299213
CellA: 189.15001 Å / B: 290.03 Å / C: 206.61 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : VWF D'D3-D1D2 complex (2 units)

EntireName: VWF D'D3-D1D2 complex (2 units)
Components
  • Complex: VWF D'D3-D1D2 complex (2 units)
    • Protein or peptide: von Willebrand factor
  • Protein or peptide: von Willebrand antigen 2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: CALCIUM IONCalcium

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Supramolecule #1: VWF D'D3-D1D2 complex (2 units)

SupramoleculeName: VWF D'D3-D1D2 complex (2 units) / type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #2
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)

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Macromolecule #1: von Willebrand antigen 2

MacromoleculeName: von Willebrand antigen 2 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 81.427703 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: AEGTRGRSST ARCSLFGSDF VNTFDGSMYS FAGYCSYLLA GGCQKRSFSI IGDFQNGKRV SLSVYLGEFF DIHLFVNGTV TQGDQRVSM PYASKGLYLE TEAGYYKLSG EAYGFVARID GSGNFQVLLS DRYFNKTCGL CGNFNIFAED DFMTQEGTLT S DPYDFANS ...String:
AEGTRGRSST ARCSLFGSDF VNTFDGSMYS FAGYCSYLLA GGCQKRSFSI IGDFQNGKRV SLSVYLGEFF DIHLFVNGTV TQGDQRVSM PYASKGLYLE TEAGYYKLSG EAYGFVARID GSGNFQVLLS DRYFNKTCGL CGNFNIFAED DFMTQEGTLT S DPYDFANS WALSSGEQWC ERASPPSSSC NISSGEMQKG LWEQCQLLKS TSVFARCHPL VDPEPFVALC EKTLCECAGG LE CACPALL EYARTCAQEG MVLYGWTDHS ACSPVCPAGM EYRQCVSPCA RTCQSLHINE MCQERCVDGC SCPEGQLLDE GLC VESTEC PCVHSGKRYP PGTSLSRDCN TCICRNSQWI CSNEECPGEC LVTGQSHFKS FDNRYFTFSG ICQYLLARDC QDHS FSIVI ETVQCADDRD AVCTRSVTVR LPGLHNSLVK LKHGAGVAMD GQDVQLPLLK GDLRIQHTVT ASVRLSYGED LQMDW DGRG RLLVKLSPVY AGKTCGLCGN YNGNQGDDFL TPSGLAEPRV EDFGNAWKLH GDCQDLQKQH SDPCALNPRM TRFSEE ACA VLTSPTFEAC HRAVSPLPYL RNCRYDVCSC SDGRECLCGA LASYAAACAG RGVRVAWREP GRCELNCPKG QVYLQCG TP CNLTCRSLSY PDEECNEACL EGCFCPPGLY MDERGDCVPK AQCPCYYDGE IFQPEDIFSD HHTMCYCEDG FMHCTMSG V PGSLLPDAVL SSPLSHRSKR

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Macromolecule #2: von Willebrand factor

MacromoleculeName: von Willebrand factor / type: protein_or_peptide / ID: 2 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 54.232809 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: SLSCRPPMVK LVCPADNLRA EGLECTKTCQ NYDLECMSMG CVSGCLCPPG MVRHENRCVA LERCPCFHQG KEYAPGETVK IGCNTCVCQ DRKWNCTDHV CDATCSTIGM AHYLTFDGLK YLFPGECQYV LVQDYCGSNP GTFRILVGNK GCSHPSVKCK K RVTILVEG ...String:
SLSCRPPMVK LVCPADNLRA EGLECTKTCQ NYDLECMSMG CVSGCLCPPG MVRHENRCVA LERCPCFHQG KEYAPGETVK IGCNTCVCQ DRKWNCTDHV CDATCSTIGM AHYLTFDGLK YLFPGECQYV LVQDYCGSNP GTFRILVGNK GCSHPSVKCK K RVTILVEG GEIELFDGEV NVKRPMKDET HFEVVESGRY IILLLGKALS VVWDRHLSIS VVLKQTYQEK VCGLCGNFDG IQ NNDLTSS NLQVEEDPVD FGNSWKVSSQ CADTRKVPLD SSPATCHNNI MKQTMVDSSC RILTSDVFQD CNKLVDPEPY LDV CIYDTC SCESIGDCAC FCDTIAAYAH VCAQHGKVVT WRTATLCPQS CEERNLRENG YECEWRYNSC APACQVTCQH PEPL ACPVQ CVEGCHAHCP PGKILDELLQ TCVDPEDCPV CEVAGRRFAS GKKVTLNPSD PEHCQICHCD VVNLTCEACQ EPGGL VVPP HHHHHH

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Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / Number of copies: 20 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine

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Macromolecule #4: CALCIUM ION

MacromoleculeName: CALCIUM ION / type: ligand / ID: 4 / Number of copies: 16 / Formula: CA
Molecular weightTheoretical: 40.078 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: OTHER / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.267 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 539243

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