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- PDB-9ui5: Rad51 postsynaptic complex -

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Basic information

Entry
Database: PDB / ID: 9ui5
TitleRad51 postsynaptic complex
Components
  • (DNA (27-MER)) x 2
  • DNA repair protein RAD51 homolog 1
KeywordsDNA BINDING PROTEIN/DNA / homologous recombination / strand exchange / D-loop / RECOMBINATION / DNA BINDING PROTEIN-DNA complex
Function / homology
Function and homology information


Meiotic recombination / Presynaptic phase of homologous DNA pairing and strand exchange / Homologous DNA Pairing and Strand Exchange / Resolution of D-loop Structures through Holliday Junction Intermediates / HDR through Single Strand Annealing (SSA) / HDR through Homologous Recombination (HRR) / presynaptic intermediate filament cytoskeleton / response to glucoside / mitotic recombination-dependent replication fork processing / DNA recombinase assembly ...Meiotic recombination / Presynaptic phase of homologous DNA pairing and strand exchange / Homologous DNA Pairing and Strand Exchange / Resolution of D-loop Structures through Holliday Junction Intermediates / HDR through Single Strand Annealing (SSA) / HDR through Homologous Recombination (HRR) / presynaptic intermediate filament cytoskeleton / response to glucoside / mitotic recombination-dependent replication fork processing / DNA recombinase assembly / cellular response to camptothecin / chromosome organization involved in meiotic cell cycle / telomere maintenance via telomere lengthening / double-strand break repair involved in meiotic recombination / nuclear ubiquitin ligase complex / cellular response to cisplatin / cellular response to hydroxyurea / synaptonemal complex / DNA strand exchange activity / replication-born double-strand break repair via sister chromatid exchange / lateral element / regulation of DNA damage checkpoint / telomere maintenance via recombination / single-stranded DNA helicase activity / reciprocal meiotic recombination / ATP-dependent DNA damage sensor activity / regulation of double-strand break repair via homologous recombination / nuclear chromosome / cellular response to alkaloid / replication fork processing / response to X-ray / interstrand cross-link repair / condensed chromosome / DNA polymerase binding / telomere organization / condensed nuclear chromosome / cellular response to ionizing radiation / meiotic cell cycle / male germ cell nucleus / cellular response to gamma radiation / double-strand break repair via homologous recombination / PML body / response to toxic substance / single-stranded DNA binding / chromosome / site of double-strand break / double-stranded DNA binding / chromosome, telomeric region / mitochondrial matrix / response to xenobiotic stimulus / DNA repair / DNA damage response / centrosome / chromatin binding / chromatin / nucleolus / perinuclear region of cytoplasm / ATP hydrolysis activity / nucleoplasm / ATP binding / identical protein binding / nucleus / cytoplasm / cytosol
Similarity search - Function
DNA recombination/repair protein Rad51 / DNA recombination and repair protein, RecA-like / DNA recombination and repair protein Rad51-like, C-terminal / Rad51 / DNA recombination and repair protein RecA, monomer-monomer interface / RecA family profile 2. / DNA recombination and repair protein RecA-like, ATP-binding domain / RecA family profile 1. / DNA repair Rad51/transcription factor NusA, alpha-helical / Helix-hairpin-helix domain ...DNA recombination/repair protein Rad51 / DNA recombination and repair protein, RecA-like / DNA recombination and repair protein Rad51-like, C-terminal / Rad51 / DNA recombination and repair protein RecA, monomer-monomer interface / RecA family profile 2. / DNA recombination and repair protein RecA-like, ATP-binding domain / RecA family profile 1. / DNA repair Rad51/transcription factor NusA, alpha-helical / Helix-hairpin-helix domain / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER / DNA / DNA (> 10) / DNA repair protein RAD51 homolog 1
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.04 Å
AuthorsLuo, S.C. / Ho, M.C.
Funding support Taiwan, 1items
OrganizationGrant numberCountry
Academia Sinica (Taiwan)AS-TP-113-L01 to M.C.H Taiwan
CitationJournal: To Be Published
Title: Mechanism of strand exchange of eukaryotic homologous recombination from RAD51 D-loop structures
Authors: Luo, S.C.
History
DepositionApr 15, 2025Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 17, 2025Provider: repository / Type: Initial release
Revision 1.0Sep 17, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Sep 17, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Sep 17, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
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Revision 1.0Sep 17, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Sep 17, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Oct 1, 2025Group: Data collection / Data processing / Category: em_3d_reconstruction / em_admin
Item: _em_3d_reconstruction.resolution / _em_admin.last_update
Revision 1.1Oct 1, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_3d_reconstruction / em_admin / Data content type: EM metadata / EM metadata
Item: _em_3d_reconstruction.resolution / _em_admin.last_update
Revision 2.0Nov 5, 2025Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Polymer sequence / Refinement description / Source and taxonomy / Structure summary
Category: atom_site / em_admin ...atom_site / em_admin / em_entity_assembly / em_software / entity / entity_name_com / entity_poly / entity_poly_seq / entity_src_gen / ndb_struct_conf_na / ndb_struct_na_base_pair / ndb_struct_na_base_pair_step / pdbx_contact_author / pdbx_entity_src_syn / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_conn_angle / pdbx_struct_sheet_hbond / pdbx_unobs_or_zero_occ_residues / pdbx_validate_close_contact / pdbx_validate_rmsd_angle / pdbx_validate_torsion / refine_ls_restr / struct_asym / struct_conf / struct_conn / struct_ref / struct_ref_seq / struct_ref_seq_dif / struct_sheet / struct_sheet_order / struct_sheet_range
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.label_seq_id / _atom_site.type_symbol / _em_admin.last_update / _em_entity_assembly.entity_id_list / _entity.details / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_mutation / _entity.pdbx_number_of_molecules / _entity.src_method / _entity_name_com.entity_id / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_poly.pdbx_strand_id / _entity_poly.type / _entity_poly_seq.entity_id / _entity_poly_seq.mon_id / _entity_poly_seq.num / _entity_src_gen.entity_id / _ndb_struct_na_base_pair.buckle / _ndb_struct_na_base_pair.i_label_asym_id / _ndb_struct_na_base_pair.j_label_asym_id / _ndb_struct_na_base_pair.opening / _ndb_struct_na_base_pair.propeller / _ndb_struct_na_base_pair.shear / _ndb_struct_na_base_pair.stagger / _ndb_struct_na_base_pair.stretch / _ndb_struct_na_base_pair_step.helical_rise / _ndb_struct_na_base_pair_step.helical_twist / _ndb_struct_na_base_pair_step.i_label_asym_id_1 / _ndb_struct_na_base_pair_step.i_label_asym_id_2 / _ndb_struct_na_base_pair_step.inclination / _ndb_struct_na_base_pair_step.j_label_asym_id_1 / _ndb_struct_na_base_pair_step.j_label_asym_id_2 / _ndb_struct_na_base_pair_step.rise / _ndb_struct_na_base_pair_step.roll / _ndb_struct_na_base_pair_step.shift / _ndb_struct_na_base_pair_step.slide / _ndb_struct_na_base_pair_step.tilt / _ndb_struct_na_base_pair_step.tip / _ndb_struct_na_base_pair_step.twist / _ndb_struct_na_base_pair_step.x_displacement / _ndb_struct_na_base_pair_step.y_displacement / _pdbx_entity_src_syn.entity_id / _pdbx_nonpoly_scheme.pdb_seq_num / _pdbx_nonpoly_scheme.pdb_strand_id / _pdbx_poly_seq_scheme.asym_id / _pdbx_poly_seq_scheme.auth_mon_id / _pdbx_poly_seq_scheme.auth_seq_num / _pdbx_poly_seq_scheme.entity_id / _pdbx_poly_seq_scheme.mon_id / _pdbx_poly_seq_scheme.ndb_seq_num / _pdbx_poly_seq_scheme.pdb_mon_id / _pdbx_poly_seq_scheme.pdb_seq_num / _pdbx_poly_seq_scheme.pdb_strand_id / _pdbx_poly_seq_scheme.seq_id / _pdbx_unobs_or_zero_occ_residues.auth_asym_id / _pdbx_unobs_or_zero_occ_residues.auth_comp_id / _pdbx_unobs_or_zero_occ_residues.auth_seq_id / _pdbx_unobs_or_zero_occ_residues.label_asym_id / _pdbx_unobs_or_zero_occ_residues.label_comp_id / _pdbx_unobs_or_zero_occ_residues.label_seq_id / _refine_ls_restr.dev_ideal / _refine_ls_restr.number / _struct_asym.entity_id / _struct_ref.db_code / _struct_ref.db_name / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.pdbx_strand_id / _struct_ref_seq.ref_id / _struct_ref_seq.seq_align_beg / _struct_ref_seq.seq_align_end / _struct_ref_seq_dif.align_id / _struct_sheet.number_strands
Description: Model orientation/position / Provider: author / Type: Coordinate replacement
Revision 1.2Nov 5, 2025Data content type: EM metadata
Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata
Group: Data processing / Database references ...Data processing / Database references / Experimental summary / Other / Source and taxonomy / Structure summary
Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata
Category: em_admin / em_entity_assembly ...em_admin / em_entity_assembly / em_software / entity / entity_poly / entity_src_gen / pdbx_entity_src_syn / struct_ref / struct_ref_seq / struct_ref_seq_dif
Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata
Item: _em_admin.last_update / _em_entity_assembly.entity_id_list ..._em_admin.last_update / _em_entity_assembly.entity_id_list / _entity.details / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_mutation / _entity.pdbx_number_of_molecules / _entity.src_method / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_poly.pdbx_strand_id / _entity_poly.type / _entity_src_gen.entity_id / _pdbx_entity_src_syn.entity_id / _struct_ref.db_code / _struct_ref.db_name / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.pdbx_strand_id / _struct_ref_seq.ref_id / _struct_ref_seq.seq_align_beg / _struct_ref_seq.seq_align_end / _struct_ref_seq_dif.align_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
E: DNA repair protein RAD51 homolog 1
F: DNA repair protein RAD51 homolog 1
G: DNA repair protein RAD51 homolog 1
H: DNA repair protein RAD51 homolog 1
I: DNA repair protein RAD51 homolog 1
L: DNA (27-MER)
M: DNA (27-MER)
A: DNA repair protein RAD51 homolog 1
B: DNA repair protein RAD51 homolog 1
C: DNA repair protein RAD51 homolog 1
D: DNA repair protein RAD51 homolog 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)377,39029
Polymers372,61511
Non-polymers4,77518
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
DNA repair protein RAD51 homolog 1 / RAD51 homolog A


Mass: 39557.750 Da / Num. of mol.: 9 / Mutation: S208A/E209D
Source method: isolated from a genetically manipulated source
Details: The protein's N-terminus contains an S-Taq fusion / Source: (gene. exp.) Mus musculus (house mouse) / Gene: Rad51, Rad51a, Reca / Production host: Escherichia coli (E. coli) / References: UniProt: Q08297
#2: DNA chain DNA (27-MER)


Mass: 8382.396 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Forward DNA / Source: (synth.) Mus musculus (house mouse)
#3: DNA chain DNA (27-MER)


Mass: 8213.286 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Reverse DNA / Source: (synth.) Mus musculus (house mouse)
#4: Chemical
ChemComp-ANP / PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER


Mass: 506.196 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: C10H17N6O12P3 / Comment: AMP-PNP, energy-carrying molecule analogue*YM
#5: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: Mg
Has ligand of interestN
Has protein modificationN

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Experimental details

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Experiment

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

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Sample preparation

ComponentName: mRAD51 post-synaptic complex / Type: COMPLEX / Details: mRAD51 protein in complex with dsDNA / Entity ID: #2-#3, #1 / Source: MULTIPLE SOURCES
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Escherichia coli (E. coli) / Strain: RecA-deficient BLR strain
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK III / Cryogen name: ETHANE / Humidity: 100 %

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameVersionCategory
1cryoSPARCparticle selection
2PHENIX1.21.2_5419:model refinement
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.04 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 361017 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00423286
ELECTRON MICROSCOPYf_angle_d0.77831683
ELECTRON MICROSCOPYf_dihedral_angle_d15.2393894
ELECTRON MICROSCOPYf_chiral_restr0.0453595
ELECTRON MICROSCOPYf_plane_restr0.0053900

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