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- PDB-4n96: E. coli sliding clamp in complex with 6-nitroindazole -

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Basic information

Entry
Database: PDB / ID: 4n96
TitleE. coli sliding clamp in complex with 6-nitroindazole
ComponentsDNA polymerase III subunit beta
KeywordsTRANSFERASE / sliding clamp / DnaN
Function / homology
Function and homology information


Hda-beta clamp complex / bacterial-type DNA replication / replication inhibiting complex / DNA polymerase III complex / replisome / regulation of DNA-templated DNA replication initiation / DNA strand elongation involved in DNA replication / error-prone translesion synthesis / 3'-5' exonuclease activity / negative regulation of DNA-templated DNA replication initiation ...Hda-beta clamp complex / bacterial-type DNA replication / replication inhibiting complex / DNA polymerase III complex / replisome / regulation of DNA-templated DNA replication initiation / DNA strand elongation involved in DNA replication / error-prone translesion synthesis / 3'-5' exonuclease activity / negative regulation of DNA-templated DNA replication initiation / DNA-templated DNA replication / DNA-directed DNA polymerase activity / DNA damage response / protein homodimerization activity / DNA binding / identical protein binding / cytosol
Similarity search - Function
DNA Polymerase III; Chain A, domain 2 / DNA Polymerase III, subunit A, domain 2 / DNA polymerase III, beta sliding clamp / DNA polymerase III, beta sliding clamp, N-terminal / DNA polymerase III, beta sliding clamp, C-terminal / DNA polymerase III, beta sliding clamp, central / DNA polymerase III beta subunit, N-terminal domain / DNA polymerase III beta subunit, central domain / DNA polymerase III beta subunit, C-terminal domain / DNA polymerase III beta subunit ...DNA Polymerase III; Chain A, domain 2 / DNA Polymerase III, subunit A, domain 2 / DNA polymerase III, beta sliding clamp / DNA polymerase III, beta sliding clamp, N-terminal / DNA polymerase III, beta sliding clamp, C-terminal / DNA polymerase III, beta sliding clamp, central / DNA polymerase III beta subunit, N-terminal domain / DNA polymerase III beta subunit, central domain / DNA polymerase III beta subunit, C-terminal domain / DNA polymerase III beta subunit / : / Roll / Alpha Beta
Similarity search - Domain/homology
6-NITROINDAZOLE / DI(HYDROXYETHYL)ETHER / Beta sliding clamp
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsYin, Z. / Oakley, A.J.
CitationJournal: J.Med.Chem. / Year: 2014
Title: Discovery of lead compounds targeting the bacterial sliding clamp using a fragment-based approach.
Authors: Yin, Z. / Whittell, L.R. / Wang, Y. / Jergic, S. / Liu, M. / Harry, E.J. / Dixon, N.E. / Beck, J.L. / Kelso, M.J. / Oakley, A.J.
History
DepositionOct 19, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 6, 2013Provider: repository / Type: Initial release
Revision 1.1Apr 2, 2014Group: Database references
Revision 1.2Apr 9, 2014Group: Database references
Revision 1.3Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_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 / _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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA polymerase III subunit beta
B: DNA polymerase III subunit beta
hetero molecules


Theoretical massNumber of molelcules
Total (without water)81,89812
Polymers81,2612
Non-polymers63710
Water7,620423
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3590 Å2
ΔGint-63 kcal/mol
Surface area32980 Å2
MethodPISA
Unit cell
Length a, b, c (Å)40.880, 64.670, 72.020
Angle α, β, γ (deg.)73.970, 83.550, 84.360
Int Tables number1
Space group name H-MP1

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein DNA polymerase III subunit beta / Beta sliding clamp / Beta clamp


Mass: 40630.508 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: b3701, dnaN, JW3678 / Plasmid: pND261 / Production host: Escherichia coli (E. coli) / References: UniProt: P0A988, DNA-directed DNA polymerase

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Non-polymers , 5 types, 433 molecules

#2: Chemical ChemComp-6NI / 6-NITROINDAZOLE


Mass: 163.133 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C7H5N3O2
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Ca
#4: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Cl
#5: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H10O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 423 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.23 Å3/Da / Density % sol: 44.9 %
Crystal growTemperature: 285 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 100mM MES, 100-150mM CaCl2, 25-30%(v/v) PEG400, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.95 Å
DetectorType: ADSC QUANTUM 210r / Detector: CCD / Date: Aug 4, 2011 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95 Å / Relative weight: 1
ReflectionResolution: 1.7→68.945 Å / Num. all: 64167 / Num. obs: 64167 / % possible obs: 83 % / Observed criterion σ(F): -2 / Observed criterion σ(I): -2 / Redundancy: 3.8 % / Rsym value: 0.048 / Net I/σ(I): 15.2
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured allNum. unique allRsym value% possible all
1.7-1.793.70.3282.23328490740.32880.4
1.79-1.93.70.2232.93308390280.22384.4
1.9-2.033.70.14232658171970.14271.9
2.03-2.193.80.1033.22904477110.10382.7
2.19-2.43.90.0667.62691169720.06680.5
2.4-2.693.90.0519.72563165800.05185.1
2.69-3.13.90.03717.22540565420.03795.2
3.1-3.83.90.0319.11853147990.0382.7
3.8-5.383.80.02621.71496939020.02687.8
5.38-28.93.70.03215.4874823620.03296.2

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Processing

Software
NameVersionClassificationNB
SCALA3.3.21data scaling
REFMAC5.7.0029refinement
PDB_EXTRACT3.11data extraction
ADSCQuantumdata collection
MOSFLMdata reduction
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 4K3S

4k3s


Resolution: 1.7→28.72 Å / Cor.coef. Fo:Fc: 0.929 / Cor.coef. Fo:Fc free: 0.885 / Occupancy max: 1 / Occupancy min: 0.4 / SU B: 3.328 / SU ML: 0.109 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.171 / ESU R Free: 0.16 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.2748 3199 5 %RANDOM
Rwork0.2273 ---
obs0.2297 64061 82.88 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 54.96 Å2 / Biso mean: 21.0564 Å2 / Biso min: 5.02 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å2-0 Å2-0 Å2
2--0 Å2-0.01 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.7→28.72 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5549 0 33 423 6005
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0195754
X-RAY DIFFRACTIONr_bond_other_d0.0010.025598
X-RAY DIFFRACTIONr_angle_refined_deg1.3241.9837803
X-RAY DIFFRACTIONr_angle_other_deg0.746312880
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.8025738
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.21124.093259
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.78151014
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.8161547
X-RAY DIFFRACTIONr_chiral_restr0.0770.2897
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0216518
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021272
LS refinement shellResolution: 1.7→1.744 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.42 211 -
Rwork0.332 3739 -
all-3950 -
obs--69.78 %

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