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- PDB-6oer: Cryo-EM structure of mouse RAG1/2 NFC complex (DNA2) -

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Basic information

Entry
Database: PDB / ID: 6oer
TitleCryo-EM structure of mouse RAG1/2 NFC complex (DNA2)
Components
  • (DNA (46-MER)) x 2
  • (DNA (57-MER)) x 2
  • (V(D)J recombination-activating protein ...) x 2
  • High mobility group protein B1High-mobility group
KeywordsRECOMBINATION/DNA / V(D)J recombination / DNA Transposition / RAG / SCID / RECOMBINATION / RECOMBINATION-DNA complex
Function / homology
Function and homology information


non-sequence-specific DNA binding, bending / DNA-binding transcription factor binding => GO:0140297 / regulation of restriction endodeoxyribonuclease activity / regulation of tolerance induction / heterochromatin formation => GO:0031507 / positive regulation of mismatch repair / negative regulation of apoptotic cell clearance / negative regulation of RNA polymerase II transcription preinitiation complex assembly / DNA geometric change / mature B cell differentiation involved in immune response ...non-sequence-specific DNA binding, bending / DNA-binding transcription factor binding => GO:0140297 / regulation of restriction endodeoxyribonuclease activity / regulation of tolerance induction / heterochromatin formation => GO:0031507 / positive regulation of mismatch repair / negative regulation of apoptotic cell clearance / negative regulation of RNA polymerase II transcription preinitiation complex assembly / DNA geometric change / mature B cell differentiation involved in immune response / T-helper 1 cell activation / T-helper 1 cell differentiation / C-X-C chemokine binding / positive regulation of dendritic cell differentiation / DNA recombinase complex / endodeoxyribonuclease complex / negative regulation of CD4-positive, alpha-beta T cell differentiation / B cell homeostatic proliferation / DN2 thymocyte differentiation / negative regulation of T cell differentiation in thymus / neutrophil clearance / regulation of behavioral fear response / pre-B cell allelic exclusion / positive regulation of organ growth / positive regulation of interleukin-1 production / bubble DNA binding / alphav-beta3 integrin-HMGB1 complex / V(D)J recombination / negative regulation of T cell apoptotic process / phosphatidylinositol-3,4-bisphosphate binding / positive regulation of chemokine (C-X-C motif) ligand 2 production / inflammatory response to antigenic stimulus / supercoiled DNA binding / negative regulation of thymocyte apoptotic process / phosphatidylinositol-3,5-bisphosphate binding / positive regulation of monocyte chemotaxis / DNA binding, bending / positive regulation of T cell differentiation / positive regulation of vascular endothelial cell proliferation / regulation of T cell differentiation / organ growth / T cell lineage commitment / phosphatidylserine binding / positive regulation of activated T cell proliferation / B cell lineage commitment / T cell homeostasis / negative regulation of blood vessel endothelial cell migration / phosphatidylinositol-3,4,5-trisphosphate binding / positive regulation of cysteine-type endopeptidase activity involved in apoptotic process / positive regulation of interleukin-10 production / negative regulation of type II interferon production / T cell differentiation / endoplasmic reticulum-Golgi intermediate compartment / positive regulation of blood vessel endothelial cell migration / positive regulation of DNA binding / protein autoubiquitination / DNA polymerase binding / positive regulation of autophagy / four-way junction DNA binding / condensed chromosome / methylated histone binding / phosphatidylinositol-4,5-bisphosphate binding / transcription repressor complex / activation of innate immune response / positive regulation of interleukin-12 production / phosphatidylinositol binding / B cell differentiation / thymus development / positive regulation of interleukin-8 production / lipopolysaccharide binding / positive regulation of JNK cascade / RING-type E3 ubiquitin transferase / visual learning / autophagy / positive regulation of interleukin-6 production / ubiquitin-protein transferase activity / ubiquitin protein ligase activity / chemotaxis / integrin binding / positive regulation of tumor necrosis factor production / T cell differentiation in thymus / chromatin organization / positive regulation of cytosolic calcium ion concentration / histone binding / endonuclease activity / DNA recombination / sequence-specific DNA binding / adaptive immune response / damaged DNA binding / Hydrolases; Acting on ester bonds / transcription coactivator activity / positive regulation of ERK1 and ERK2 cascade / transcription cis-regulatory region binding / lyase activity / endosome / defense response to bacterium / positive regulation of apoptotic process / DNA repair / innate immune response / chromatin binding
Similarity search - Function
High mobility group protein HMGB1 / HMG box A DNA-binding domain, conserved site / Recombination-activating protein 1 zinc-finger domain / HMG box A DNA-binding domain signature. / V(D)J recombination-activating protein 1, Zinc finger / RAG nonamer-binding domain / NBD domain profile. / Zinc finger RAG1-type profile. / V(D)J recombination-activating protein 1 / RAG1 importin-binding ...High mobility group protein HMGB1 / HMG box A DNA-binding domain, conserved site / Recombination-activating protein 1 zinc-finger domain / HMG box A DNA-binding domain signature. / V(D)J recombination-activating protein 1, Zinc finger / RAG nonamer-binding domain / NBD domain profile. / Zinc finger RAG1-type profile. / V(D)J recombination-activating protein 1 / RAG1 importin-binding / RAG1 importin binding / Recombination-activation protein 1 (RAG1), recombinase / Recombination activating protein 2 / RAG2 PHD domain / V-D-J recombination activating protein 2 / Recombination activating protein 2, PHD domain / Galactose oxidase/kelch, beta-propeller / HMG-box domain / HMG (high mobility group) box / Kelch-type beta propeller / Zinc finger, C3HC4 RING-type / Zinc finger, C3HC4 type (RING finger) / HMG boxes A and B DNA-binding domains profile. / high mobility group / High mobility group box domain / High mobility group box domain superfamily / Zinc finger, RING-type, conserved site / Zinc finger RING-type signature. / Zinc finger C2H2 superfamily / Ring finger / Zinc finger RING-type profile. / Zinc finger, RING-type / Zinc finger, FYVE/PHD-type / Zinc finger, RING/FYVE/PHD-type
Similarity search - Domain/homology
DNA / DNA (> 10) / V(D)J recombination-activating protein 1 / V(D)J recombination-activating protein 2 / High mobility group protein B1
Similarity search - Component
Biological speciesMus musculus (house mouse)
Escherichia coli K-12 (bacteria)
Equus caballus (horse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.29 Å
AuthorsChen, X. / Cui, Y. / Zhou, Z.H. / Yang, W. / Gellert, M.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)DK036167 United States
CitationJournal: Nat Struct Mol Biol / Year: 2020
Title: Cutting antiparallel DNA strands in a single active site.
Authors: Xuemin Chen / Yanxiang Cui / Robert B Best / Huaibin Wang / Z Hong Zhou / Wei Yang / Martin Gellert /
Abstract: A single enzyme active site that catalyzes multiple reactions is a well-established biochemical theme, but how one nuclease site cleaves both DNA strands of a double helix has not been well ...A single enzyme active site that catalyzes multiple reactions is a well-established biochemical theme, but how one nuclease site cleaves both DNA strands of a double helix has not been well understood. In analyzing site-specific DNA cleavage by the mammalian RAG1-RAG2 recombinase, which initiates V(D)J recombination, we find that the active site is reconfigured for the two consecutive reactions and the DNA double helix adopts drastically different structures. For initial nicking of the DNA, a locally unwound and unpaired DNA duplex forms a zipper via alternating interstrand base stacking, rather than melting as generally thought. The second strand cleavage and formation of a hairpin-DNA product requires a global scissor-like movement of protein and DNA, delivering the scissile phosphate into the rearranged active site.
History
DepositionMar 27, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 29, 2020Provider: repository / Type: Initial release
Revision 1.1Feb 19, 2020Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Feb 26, 2020Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Mar 20, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _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_conn.ptnr2_label_seq_id

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Structure visualization

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Assembly

Deposited unit
A: V(D)J recombination-activating protein 1
B: V(D)J recombination-activating protein 2
C: V(D)J recombination-activating protein 1
D: V(D)J recombination-activating protein 2
F: DNA (46-MER)
I: DNA (46-MER)
G: DNA (57-MER)
J: DNA (57-MER)
H: High mobility group protein B1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)444,59815
Polymers444,3079
Non-polymers2916
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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V(D)J recombination-activating protein ... , 2 types, 4 molecules ACBD

#1: Protein V(D)J recombination-activating protein 1 / RAG-1


Mass: 119388.352 Da / Num. of mol.: 2 / Mutation: E962Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Rag1 / Production host: Homo sapiens (human)
References: UniProt: P15919, Hydrolases; Acting on ester bonds, RING-type E3 ubiquitin transferase
#2: Protein V(D)J recombination-activating protein 2 / RAG-2


Mass: 59138.410 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Rag2, Rag-2 / Production host: Homo sapiens (human) / References: UniProt: P21784

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DNA chain , 4 types, 4 molecules FIGJ

#3: DNA chain DNA (46-MER)


Mass: 15503.931 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)
#4: DNA chain DNA (46-MER)


Mass: 15275.817 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)
#5: DNA chain DNA (57-MER)


Mass: 18784.010 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)
#6: DNA chain DNA (57-MER)


Mass: 18792.076 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)

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Protein , 1 types, 1 molecules H

#7: Protein High mobility group protein B1 / High-mobility group / High mobility group protein 1 / HMG-1


Mass: 18897.885 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Equus caballus (horse) / References: UniProt: Q08IE6

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Non-polymers , 2 types, 6 molecules

#8: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#9: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca

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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: RAG1/2 Nick-forming complex (DNA2) / Type: COMPLEX / Entity ID: #1-#7 / Source: MULTIPLE SOURCES
Molecular weightUnits: MEGADALTONS / Experimental value: YES
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: unspecified
VitrificationCryogen name: ETHANE

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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 FIELDBright-field microscopy
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.14_3260: / Classification: refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.29 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 333280 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00720333
ELECTRON MICROSCOPYf_angle_d0.79928387
ELECTRON MICROSCOPYf_dihedral_angle_d19.54211470
ELECTRON MICROSCOPYf_chiral_restr0.0473135
ELECTRON MICROSCOPYf_plane_restr0.0173066

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