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- PDB-7zwh: VWF Tubules of D1D2 and D'D3A1 domains -

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Basic information

Entry
Database: PDB / ID: 7zwh
TitleVWF Tubules of D1D2 and D'D3A1 domains
Components(von Willebrand factor) x 2
KeywordsBLOOD CLOTTING / helical / tubule / vwa1 / a1 domain / a1 / vwf / von willebrand factor / helical tubule
Function / homology
Function and homology information


Defective VWF binding to collagen type I / Enhanced cleavage of VWF variant by ADAMTS13 / Defective VWF cleavage by ADAMTS13 variant / Weibel-Palade body / Defective F8 binding to von Willebrand factor / Enhanced binding of GP1BA variant to VWF multimer:collagen / Defective binding of VWF variant to GPIb:IX:V / hemostasis / platelet alpha granule / Platelet Adhesion to exposed collagen ...Defective VWF binding to collagen type I / Enhanced cleavage of VWF variant by ADAMTS13 / Defective VWF cleavage by ADAMTS13 variant / Weibel-Palade body / Defective F8 binding to von Willebrand factor / Enhanced binding of GP1BA variant to VWF multimer:collagen / Defective binding of VWF variant to GPIb:IX:V / hemostasis / platelet alpha granule / Platelet Adhesion to exposed collagen / positive regulation of intracellular signal transduction / GP1b-IX-V activation signalling / p130Cas linkage to MAPK signaling for integrins / cell-substrate adhesion / Defective F8 cleavage by thrombin / Platelet Aggregation (Plug Formation) / immunoglobulin binding / GRB2:SOS provides linkage to MAPK signaling for Integrins / Integrin cell surface interactions / collagen binding / Intrinsic Pathway of Fibrin Clot Formation / Integrin signaling / extracellular matrix / 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)
MethodELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsJavitt, G. / Fass, D.
Funding support Israel, 1items
OrganizationGrant numberCountry
Israel Science Foundation2660/20 Israel
CitationJournal: Blood / Year: 2022
Title: Assembly of von Willebrand factor tubules with in vivo helical parameters requires A1 domain insertion.
Authors: Gabriel Javitt / Noa Yeshaya / Lev Khmelnitsky / Deborah Fass /
Abstract: The von Willebrand factor (VWF) glycoprotein is stored in tubular form in Weibel-Palade bodies (WPBs) before secretion from endothelial cells into the bloodstream. The organization of VWF in the ...The von Willebrand factor (VWF) glycoprotein is stored in tubular form in Weibel-Palade bodies (WPBs) before secretion from endothelial cells into the bloodstream. The organization of VWF in the tubules promotes formation of covalently linked VWF polymers and enables orderly secretion without polymer tangling. Recent studies have described the high-resolution structure of helical tubular cores formed in vitro by the D1D2 and D'D3 amino-terminal protein segments of VWF. Here we show that formation of tubules with the helical geometry observed for VWF in intracellular WPBs requires also the VWA1 (A1) domain. We reconstituted VWF tubules from segments containing the A1 domain and discovered it to be inserted between helical turns of the tubule, altering helical parameters and explaining the increased robustness of tubule formation when A1 is present. The conclusion from this observation is that the A1 domain has a direct role in VWF assembly, along with its known activity in hemostasis after secretion.
History
DepositionMay 19, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 13, 2022Provider: repository / Type: Initial release
Revision 1.1Oct 26, 2022Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Jan 11, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
D: von Willebrand factor
E: von Willebrand factor
G: von Willebrand factor
H: von Willebrand factor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)312,51520
Polymers309,3324
Non-polymers3,18316
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein von Willebrand factor / vWF


Mass: 131783.500 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: VWF, F8VWF / Production host: Homo sapiens (human) / References: UniProt: P04275
#2: Protein von Willebrand factor / vWF


Mass: 22882.568 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: VWF, F8VWF / Production host: Homo sapiens (human) / References: UniProt: P04275
#3: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#4: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#5: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Ca
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: HELICAL ARRAY / 3D reconstruction method: helical reconstruction

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Sample preparation

ComponentName: VWF tubules of D1D2 and D'D3A1 domains / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human) / Strain: HEK 293F / Plasmid: pCDNA3.1
Buffer solutionpH: 5.9
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid type: UltrAuFoil R1.2/1.3
VitrificationCryogen name: ETHANE / Humidity: 100 %

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 105000 X / Nominal defocus max: 3000 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / C2 aperture diameter: 70 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 1.5 sec. / Electron dose: 41 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
EM software
IDNameVersionCategory
2EPUimage acquisition
4cryoSPARC3.3.1CTF correction
10cryoSPARC3.3.1initial Euler assignment
13cryoSPARC3.3.13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Helical symmertyAngular rotation/subunit: 83.1 ° / Axial rise/subunit: 27.6 Å / Axial symmetry: D1
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 739073 / Symmetry type: HELICAL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00321171
ELECTRON MICROSCOPYf_angle_d0.53728682
ELECTRON MICROSCOPYf_dihedral_angle_d4.4982984
ELECTRON MICROSCOPYf_chiral_restr0.0423154
ELECTRON MICROSCOPYf_plane_restr0.0033772

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