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- PDB-3j2q: Model of membrane-bound factor VIII organized in 2D crystals -

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Basic information

Entry
Database: PDB / ID: 3j2q
TitleModel of membrane-bound factor VIII organized in 2D crystals
Components(Coagulation factor VIII ...) x 2
KeywordsBLOOD CLOTTING / blood coagulation / cofactor / factor VIII / hemophilia
Function / homology
Function and homology information


Defective F8 accelerates dissociation of the A2 domain / Defective F8 binding to the cell membrane / Defective F8 secretion / Gamma carboxylation, hypusinylation, hydroxylation, and arylsulfatase activation / Defective F8 sulfation at Y1699 / Defective F8 binding to von Willebrand factor / blood coagulation, intrinsic pathway / Cargo concentration in the ER / Defective factor IX causes thrombophilia / Defective cofactor function of FVIIIa variant ...Defective F8 accelerates dissociation of the A2 domain / Defective F8 binding to the cell membrane / Defective F8 secretion / Gamma carboxylation, hypusinylation, hydroxylation, and arylsulfatase activation / Defective F8 sulfation at Y1699 / Defective F8 binding to von Willebrand factor / blood coagulation, intrinsic pathway / Cargo concentration in the ER / Defective factor IX causes thrombophilia / Defective cofactor function of FVIIIa variant / Defective F9 variant does not activate FX / COPII-mediated vesicle transport / COPII-coated ER to Golgi transport vesicle / Defective F8 cleavage by thrombin / Common Pathway of Fibrin Clot Formation / endoplasmic reticulum-Golgi intermediate compartment membrane / Intrinsic Pathway of Fibrin Clot Formation / platelet alpha granule lumen / acute-phase response / Golgi lumen / blood coagulation / Platelet degranulation / oxidoreductase activity / copper ion binding / endoplasmic reticulum lumen / extracellular space / extracellular region / 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. / Multicopper oxidase, C-terminal / Multicopper oxidase / F5/8 type C domain ...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. / Multicopper oxidase, C-terminal / Multicopper oxidase / F5/8 type C domain / Coagulation factor 5/8 C-terminal domain / Multicopper oxidase / Multicopper oxidase, N-terminal / Multicopper oxidase / Cupredoxin / Galactose-binding-like domain superfamily
Similarity search - Domain/homology
COPPER (II) ION / Coagulation factor VIII
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON CRYSTALLOGRAPHY / electron crystallography / cryo EM / Resolution: 15 Å
AuthorsStoilova-Mcphie, S. / Lynch, G.C. / Ludtke, S. / Pettitt, B.M.
Citation
Journal: Biopolymers / Year: 2013
Title: Domain organization of membrane-bound factor VIII.
Authors: Svetla Stoilova-McPhie / Gillian C Lynch / Steven Ludtke / B Montgomery Pettitt /
Abstract: Factor VIII (FVIII) is the blood coagulation protein which when defective or deficient causes for hemophilia A, a severe hereditary bleeding disorder. Activated FVIII (FVIIIa) is the cofactor to the ...Factor VIII (FVIII) is the blood coagulation protein which when defective or deficient causes for hemophilia A, a severe hereditary bleeding disorder. Activated FVIII (FVIIIa) is the cofactor to the serine protease factor IXa (FIXa) within the membrane-bound Tenase complex, responsible for amplifying its proteolytic activity more than 100,000 times, necessary for normal clot formation. FVIII is composed of two noncovalently linked peptide chains: a light chain (LC) holding the membrane interaction sites and a heavy chain (HC) holding the main FIXa interaction sites. The interplay between the light and heavy chains (HCs) in the membrane-bound state is critical for the biological efficiency of FVIII. Here, we present our cryo-electron microscopy (EM) and structure analysis studies of human FVIII-LC, when helically assembled onto negatively charged single lipid bilayer nanotubes. The resolved FVIII-LC membrane-bound structure supports aspects of our previously proposed FVIII structure from membrane-bound two-dimensional (2D) crystals, such as only the C2 domain interacts directly with the membrane. The LC is oriented differently in the FVIII membrane-bound helical and 2D crystal structures based on EM data, and the existing X-ray structures. This flexibility of the FVIII-LC domain organization in different states is discussed in the light of the FVIIIa-FIXa complex assembly and function.
#1: Journal: Blood / Year: 2002
Title: 3-Dimensional structure of membrane-bound coagulation factor VIII: modeling of the factor VIII heterodimer within a 3-dimensional density map derived by electron crystallography.
Authors: Svetla Stoilova-McPhie / Bruno O Villoutreix / Koen Mertens / Geoffrey Kemball-Cook / Andreas Holzenburg /
Abstract: Despite recent studies, the organization of coagulation factor VIII (FVIII) on a phospholipid (PL) membrane is not known in detail. Thus, 2-dimensional (2D) crystals of human FVIII lacking the B ...Despite recent studies, the organization of coagulation factor VIII (FVIII) on a phospholipid (PL) membrane is not known in detail. Thus, 2-dimensional (2D) crystals of human FVIII lacking the B domain were prepared for electron microscopy onto negatively charged PL monolayers. The 3-dimensional (3D) density map of the PL-bound FVIII protein was calculated at 1.5 nm. Existing atomic data and models for FVIII domains were fitted unambiguously within the 3D density map of the molecule. FVIII domains arrangement followed a compact spiral organization with the A3 domains in close association with the C1 and C2 domains near the PL surface. Viewed toward the membrane the A domains' heterotrimer is oriented side-on with the pseudo-3-fold axis almost parallel to the PL surface and A1 fully covering C1. The C2 domain is partially overlapped by the A2 domain of an adjacent molecule in the 2D crystal, favoring close packing. Viewed parallel to the membrane, C2 is slightly inclined to the PL surface covering an area of 12 nm(2). Four C2 loops are embedded within the lipid monolayer at about 0.7 to 1.0 nm depth. C1 forms almost a right angle with C2, its long axis nearly parallel to the membrane. The proposed structure for membrane-bound FVIII results from modeling of the FVIII domains within a 3D density map obtained from electron crystallography and accords with the main biochemical and structural information known to date. A model is proposed for FVIIIa and factor IXa assembly within the membrane-bound factor X-activating complex. (Blood. 2002;99:1215-1223)
History
DepositionDec 11, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 11, 2013Provider: repository / Type: Initial release
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Author supporting evidence / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / em_image_scans / em_single_particle_entity / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / pdbx_validate_symm_contact / struct_asym / struct_conn / struct_ref_seq_dif
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _database_PDB_caveat.text / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.src_method / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _pdbx_unobs_or_zero_occ_atoms.auth_asym_id / _pdbx_unobs_or_zero_occ_atoms.auth_seq_id / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _pdbx_validate_symm_contact.auth_asym_id_2 / _pdbx_validate_symm_contact.auth_seq_id_2 / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Assembly

Deposited unit
A: Coagulation factor VIII heavy chain
B: Coagulation factor VIII light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)167,2489
Polymers165,5062
Non-polymers1,7427
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)81.000, 71.000, 100.000
Angle α, β, γ (deg.)67.00, 60.00, 65.00
Int Tables number1
Space group name H-MP1

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Components

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Coagulation factor VIII ... , 2 types, 2 molecules AB

#1: Protein Coagulation factor VIII heavy chain / Antihemophilic factor / AHF / Procoagulant component / Factor VIIIa heavy chain / 92 kDa isoform


Mass: 86455.742 Da / Num. of mol.: 1 / Fragment: UNP residues 20-764
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: F8, F8C / Cell (production host): ovary / Production host: Cricetulus griseus (Chinese hamster) / References: UniProt: P00451
#2: Protein Coagulation factor VIII light chain / Antihemophilic factor / AHF / Procoagulant component / Factor VIIIa light chain


Mass: 79050.594 Da / Num. of mol.: 1 / Fragment: UNP residues 1668-2351
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: F8, F8C / Cell (production host): ovary / Production host: Cricetulus griseus (Chinese hamster) / References: UniProt: P00451

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Sugars , 3 types, 4 molecules

#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#4: Polysaccharide alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 707.630 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpb1-6]DManpb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,4,3/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-2-3-2/a4-b1_b3-c1_b6-d1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][b-D-Manp]{}}}LINUCSPDB-CARE
#7: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
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

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Non-polymers , 2 types, 3 molecules

#5: Chemical ChemComp-CU / COPPER (II) ION / Copper


Mass: 63.546 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cu
#6: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca

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Details

Sequence detailsTHE AUTHORS STATE THAT F1899L IS A NATURAL VARIANT.

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Experimental details

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Experiment

ExperimentMethod: ELECTRON CRYSTALLOGRAPHY
EM experimentAggregation state: 2D ARRAY / 3D reconstruction method: electron crystallography

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Sample preparation

ComponentName: membrane-bound factor VIII / Type: COMPLEX
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES

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Data collection

MicroscopyModel: JEOL 2010F
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal magnification: 52000 X
Image recordingElectron dose: 16 e/Å2
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: electron
Radiation wavelengthRelative weight: 1

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Processing

3D reconstructionResolution: 15 Å / Symmetry type: 2D CRYSTAL
Refinement stepCycle: LAST
ProteinNucleic acidLigandSolventTotal
Num. atoms10211 0 106 0 10317

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