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- PDB-8tn9: Structural architecture of the acidic region of the B domain of c... -

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Basic information

Entry
Database: PDB / ID: 8tn9
TitleStructural architecture of the acidic region of the B domain of coagulation factor V
ComponentsCoagulation factor V
KeywordsBLOOD CLOTTING / Coagulation / Pro-cofactor / Factor V / B Domain / Acidic Region
Function / homology
Function and homology information


response to vitamin K / platelet alpha granule / Cargo concentration in the ER / blood circulation / COPII-mediated vesicle transport / COPII-coated ER to Golgi transport vesicle / Common Pathway of Fibrin Clot Formation / endoplasmic reticulum-Golgi intermediate compartment membrane / platelet alpha granule lumen / Post-translational protein phosphorylation ...response to vitamin K / platelet alpha granule / Cargo concentration in the ER / blood circulation / COPII-mediated vesicle transport / COPII-coated ER to Golgi transport vesicle / Common Pathway of Fibrin Clot Formation / endoplasmic reticulum-Golgi intermediate compartment membrane / platelet alpha granule lumen / Post-translational protein phosphorylation / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / extracellular vesicle / blood coagulation / Platelet degranulation / signaling receptor activity / copper ion binding / endoplasmic reticulum lumen / extracellular space / extracellular region / membrane / plasma membrane
Similarity search - Function
Coagulation factor 5/8-like / Coagulation factors 5/8 type C domain (FA58C) signature 2. / Multicopper oxidases, conserved site / Multicopper oxidases signature 1. / Coagulation factors 5/8 type C domain (FA58C) signature 1. / Coagulation factor 5/8 C-terminal domain, discoidin domain / Coagulation factors 5/8 type C domain (FA58C) profile. / F5/8 type C domain / Coagulation factor 5/8 C-terminal domain / Multicopper oxidase, N-terminal ...Coagulation factor 5/8-like / Coagulation factors 5/8 type C domain (FA58C) signature 2. / Multicopper oxidases, conserved site / Multicopper oxidases signature 1. / Coagulation factors 5/8 type C domain (FA58C) signature 1. / Coagulation factor 5/8 C-terminal domain, discoidin domain / Coagulation factors 5/8 type C domain (FA58C) profile. / F5/8 type C domain / Coagulation factor 5/8 C-terminal domain / Multicopper oxidase, N-terminal / Multicopper oxidase / Cupredoxin / Galactose-binding-like domain superfamily
Similarity search - Domain/homology
Coagulation factor V
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.05 Å
AuthorsMohammed, B.M. / Basore, K. / Summers, B. / Pelc, L.A. / Di Cera, E.
Funding support United States, 5items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)HL049413, HL139554 and HL147821 United States
Childrens Discovery Institute of Washington University and St. Louis Childrens HospitalCDI-CORE-2015-505 and CDI-CORE-2019-813 United States
The Foundation for Barnes-Jewish Hospital3770 United States
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)DK020579 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)CA091842 United States
CitationJournal: J Thromb Haemost / Year: 2024
Title: Structural architecture of the acidic region of the B domain of coagulation factor V.
Authors: Bassem M Mohammed / Katherine Basore / Brock Summers / Leslie A Pelc / Enrico Di Cera /
Abstract: BACKGROUND: Coagulation factor (F)V features an A1-A2-B-A3-C1-C2 domain organization and functions as the inactive precursor of FVa, a component of the prothrombinase complex required for rapid ...BACKGROUND: Coagulation factor (F)V features an A1-A2-B-A3-C1-C2 domain organization and functions as the inactive precursor of FVa, a component of the prothrombinase complex required for rapid thrombin generation in the penultimate step of the coagulation cascade. An intramolecular interaction within the large B domain (residues 710-1545) involves the basic region (BR, residues 963-1008) and acidic region (AR, residues 1493-1537) and locks FV in its inactive state. However, structural information on this important regulatory interaction or on the separate architecture of the AR and BR remains elusive due to conformational disorder of the B domain.
OBJECTIVES: To reveal the structure of the BR-AR interaction or of its separate components.
METHODS: The structure of FV is solved by cryogenic electron microscopy.
RESULTS: A new 3.05 Å resolution cryogenic electron microscopy structure of FV confirms the overall organization of the A and C domains but resolves the segment 1507 to 1545 within a largely ...RESULTS: A new 3.05 Å resolution cryogenic electron microscopy structure of FV confirms the overall organization of the A and C domains but resolves the segment 1507 to 1545 within a largely disordered B domain. The segment contains most of the AR and is organized as recently reported in FV short, a spliced variant of FV with a significantly shorter and less disordered B domain.
CONCLUSION: The similar architecture of the AR in FV and FV short provides structural context for physiologically important interactions of this region with the BR in FV and with the basic C-terminal ...CONCLUSION: The similar architecture of the AR in FV and FV short provides structural context for physiologically important interactions of this region with the BR in FV and with the basic C-terminal end of tissue factor pathway inhibitor α in FV short.
History
DepositionAug 1, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 4, 2023Provider: repository / Type: Initial release
Revision 1.1Dec 20, 2023Group: 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 / _citation_author.identifier_ORCID
Revision 1.2Mar 13, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Coagulation factor V
hetero molecules


Theoretical massNumber of molelcules
Total (without water)249,8585
Polymers248,9731
Non-polymers8854
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Coagulation factor V / Activated protein C cofactor / Proaccelerin / labile factor


Mass: 248973.234 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P12259
#2: 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.: 4 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
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
Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Coagulation plasma Factor V / Type: TISSUE / Entity ID: #1 / Source: NATURAL
Source (natural)Organism: Homo sapiens (human) / Tissue: Blood
Buffer solutionpH: 7.4 / Details: 20 mM HEPES, 150 mM NaCl, 5 mM CaCl2
SpecimenConc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: 0.1 and 0.2 mg/mL
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277.15 K

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Electron microscopy imaging

MicroscopyModel: FEI TITAN
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: 2500 nm / Nominal defocus min: 1000 nm / Cs: 0.01 mm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 1.65 sec. / Electron dose: 66 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 2 / Num. of real images: 8429
Details: 2 Grids imaged one at 0.1 mg/mL and the second at 0.2 mg/mL using the same acquisition parameters.
EM imaging opticsEnergyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV
Image scansWidth: 4000 / Height: 4000 / Movie frames/image: 40

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Processing

EM software
IDNameVersionCategory
7Coot0.9.6model fitting
12cryoSPARC4.2.13D reconstruction
13cryoSPARC4.2.1model refinement
14PHENIX1.20.1model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 1257129
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.05 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 680564 / Algorithm: BACK PROJECTION / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00311439
ELECTRON MICROSCOPYf_angle_d0.59615504
ELECTRON MICROSCOPYf_dihedral_angle_d5.6511524
ELECTRON MICROSCOPYf_chiral_restr0.0461645
ELECTRON MICROSCOPYf_plane_restr0.0051993

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