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- PDB-2mh9: Resonance assignment of RQC domain of human Bloom syndrome protein -

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Basic information

Entry
Database: PDB / ID: 2mh9
TitleResonance assignment of RQC domain of human Bloom syndrome protein
ComponentsBloom syndrome protein
KeywordsHYDROLASE / winged helix / RQC
Function / homology
Function and homology information


regulation of DNA-templated DNA replication / RecQ family helicase-topoisomerase III complex / telomeric G-quadruplex DNA binding / forked DNA-dependent helicase activity / resolution of DNA recombination intermediates / 8-hydroxy-2'-deoxyguanosine DNA binding / telomeric D-loop binding / DNA/DNA annealing activity / telomere maintenance via semi-conservative replication / cellular response to camptothecin ...regulation of DNA-templated DNA replication / RecQ family helicase-topoisomerase III complex / telomeric G-quadruplex DNA binding / forked DNA-dependent helicase activity / resolution of DNA recombination intermediates / 8-hydroxy-2'-deoxyguanosine DNA binding / telomeric D-loop binding / DNA/DNA annealing activity / telomere maintenance via semi-conservative replication / cellular response to camptothecin / G-quadruplex DNA unwinding / telomeric D-loop disassembly / t-circle formation / DNA double-strand break processing / Y-form DNA binding / negative regulation of cell division / DNA 3'-5' helicase / four-way junction helicase activity / G-quadruplex DNA binding / cellular response to hydroxyurea / lateral element / negative regulation of DNA recombination / Processive synthesis on the C-strand of the telomere / bubble DNA binding / Impaired BRCA2 binding to PALB2 / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Homologous DNA Pairing and Strand Exchange / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / 3'-5' DNA helicase activity / Resolution of D-loop Structures through Holliday Junction Intermediates / DNA duplex unwinding / HDR through Single Strand Annealing (SSA) / Impaired BRCA2 binding to RAD51 / replication fork processing / nuclear chromosome / DNA unwinding involved in DNA replication / regulation of cyclin-dependent protein serine/threonine kinase activity / mitotic G2 DNA damage checkpoint signaling / Presynaptic phase of homologous DNA pairing and strand exchange / response to X-ray / ATP-dependent activity, acting on DNA / SUMOylation of DNA damage response and repair proteins / four-way junction DNA binding / DNA helicase activity / telomere maintenance / replication fork / helicase activity / molecular function activator activity / cellular response to ionizing radiation / double-strand break repair via homologous recombination / protein homooligomerization / HDR through Homologous Recombination (HRR) / G2/M DNA damage checkpoint / PML body / Meiotic recombination / nuclear matrix / p53 binding / single-stranded DNA binding / protein complex oligomerization / chromosome / Processing of DNA double-strand break ends / DNA recombination / Regulation of TP53 Activity through Phosphorylation / DNA replication / DNA repair / DNA damage response / nucleolus / positive regulation of DNA-templated transcription / ATP hydrolysis activity / protein homodimerization activity / protein-containing complex / DNA binding / zinc ion binding / nucleoplasm / ATP binding / identical protein binding / nucleus / cytosol / cytoplasm
Similarity search - Function
RecQ-like DNA helicase BLM, N-terminal domain / RecQ-like DNA helicase BLM, BDHCT-box associated domain / N-terminal region of Bloom syndrome protein / BDHCT-box associated domain on Bloom syndrome protein / BDHCT / BDHCT (NUC031) domain / RQC domain / RQC / RQC domain / ATP-dependent DNA helicase RecQ, zinc-binding domain ...RecQ-like DNA helicase BLM, N-terminal domain / RecQ-like DNA helicase BLM, BDHCT-box associated domain / N-terminal region of Bloom syndrome protein / BDHCT-box associated domain on Bloom syndrome protein / BDHCT / BDHCT (NUC031) domain / RQC domain / RQC / RQC domain / ATP-dependent DNA helicase RecQ, zinc-binding domain / RecQ zinc-binding / DNA helicase, ATP-dependent, RecQ type / Helicase and RNase D C-terminal / HRDC domain / HRDC domain / HRDC domain profile. / HRDC domain superfamily / DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site / DEAH-box subfamily ATP-dependent helicases signature. / HRDC-like superfamily / DEAD/DEAH box helicase / DEAD/DEAH box helicase domain / Helicase conserved C-terminal domain / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / helicase superfamily c-terminal domain / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / Arc Repressor Mutant, subunit A / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
RecQ-like DNA helicase BLM
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodSOLUTION NMR / simulated annealing
Model detailslowest energy, model2
AuthorsKo, J. / Ryu, K.S. / Choi, B.S.
CitationJournal: J.Biomol.Nmr / Year: 2014
Title: Solution structure of the RecQ C-terminal domain of human Bloom syndrome protein.
Authors: Park, C.J. / Ko, J. / Ryu, K.S. / Choi, B.S.
History
DepositionNov 19, 2013Deposition site: BMRB / Processing site: PDBJ
Revision 1.0Oct 29, 2014Provider: repository / Type: Initial release
Revision 1.1Dec 10, 2014Group: Structure summary
Revision 1.2Jun 14, 2023Group: Data collection / Database references / Other
Category: database_2 / pdbx_database_status ...database_2 / pdbx_database_status / pdbx_nmr_software / pdbx_nmr_spectrometer
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_nmr_data / _pdbx_nmr_software.name / _pdbx_nmr_spectrometer.model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Bloom syndrome protein


Theoretical massNumber of molelcules
Total (without water)16,1161
Polymers16,1161
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)10 / 100structures with the lowest energy
RepresentativeModel #1lowest energy

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Components

#1: Protein Bloom syndrome protein / / DNA helicase / RecQ-like type 2 / RecQ2 / RecQ protein-like 3


Mass: 16115.535 Da / Num. of mol.: 1 / Fragment: UNP RESIDUES 1067-1210
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: BLM, RECQ2, RECQL3 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P54132, DNA helicase

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1113D CBCA(CO)NH
1213D HN(CA)CB
1313D HNCO
1413D HBHA(CO)NH
1513D (H)CCH-TOCSY
1613D 1H-15N NOESY
1713D 1H-13C NOESY
1813D 1H-13C NOESY aromatic
1913D C(CO)NH

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Sample preparation

DetailsContents: 0.8 mM [U-99% 13C; U-99% 15N] BLM RQC-1, 90 % H2O-2, 10 % D2O-3, 1 mM DTT-4, 20 mM Tris-5, 100 mM Sodium Chloride-6, 90% H2O/10% D2O
Solvent system: 90% H2O/10% D2O
Sample
Conc. (mg/ml)ComponentIsotopic labelingSolution-ID
0.8 mMBLM RQC-1[U-99% 13C; U-99% 15N]1
90 %H2O-21
10 %D2O-31
1 mMDTT-41
20 mMTris-51
100 mMSodium Chloride-61
Sample conditionsIonic strength: 0.1 / pH: 7 / Pressure: 1 atm / Temperature: 300 K

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NMR measurement

NMR spectrometerType: Bruker Avance / Manufacturer: Bruker / Model: AVANCE / Field strength: 900 MHz

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Processing

NMR software
NameDeveloperClassification
SparkyGoddardchemical shift assignment
CNSrefinement
RefinementMethod: simulated annealing / Software ordinal: 1
NMR constraintsNOE constraints total: 1641 / NOE intraresidue total count: 456 / NOE long range total count: 404 / NOE medium range total count: 320 / NOE sequential total count: 461 / Protein phi angle constraints total count: 89 / Protein psi angle constraints total count: 89
NMR representativeSelection criteria: lowest energy
NMR ensembleConformer selection criteria: structures with the lowest energy
Conformers calculated total number: 100 / Conformers submitted total number: 10 / Representative conformer: 2

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