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- PDB-5z3n: Structure of large fragment of DNA Polymerase I from Thermus aqua... -

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Basic information

Entry
Database: PDB / ID: 5z3n
TitleStructure of large fragment of DNA Polymerase I from Thermus aquaticus Host-Guest complex with the unnatural base 5fC pair with dA
Components
  • DNA (5'-D(*AP*AP*AP*CP*GP*GP*CP*GP*CP*CP*GP*(5FC)P*GP*GP*TP*C)-3')
  • DNA (5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*(DOC))-3')
  • DNA polymerase I, thermostable
KeywordsREPLICATION/DNA / REPLICATION / DNA / REPLICATION-DNA complex
Function / homology
Function and homology information


nucleoside binding / 5'-3' exonuclease activity / DNA-templated DNA replication / double-strand break repair / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / DNA binding
Similarity search - Function
Taq polymerase, thermostable, exonuclease region / Taq polymerase, exonuclease / DNA polymerase I-like, H3TH domain / 5'-3' exonuclease, C-terminal SAM fold / 5'-3' exonuclease, alpha-helical arch, N-terminal / 5'-3' exonuclease, N-terminal resolvase-like domain / 5'-3' exonuclease / 5'-3' exonuclease / DNA polymerase 1 / Taq DNA Polymerase; Chain T, domain 4 ...Taq polymerase, thermostable, exonuclease region / Taq polymerase, exonuclease / DNA polymerase I-like, H3TH domain / 5'-3' exonuclease, C-terminal SAM fold / 5'-3' exonuclease, alpha-helical arch, N-terminal / 5'-3' exonuclease, N-terminal resolvase-like domain / 5'-3' exonuclease / 5'-3' exonuclease / DNA polymerase 1 / Taq DNA Polymerase; Chain T, domain 4 / Taq DNA Polymerase; Chain T, domain 4 / Alpha-Beta Plaits - #370 / Helix-hairpin-helix motif, class 2 / Helix-hairpin-helix class 2 (Pol1 family) motifs / 5'-3' exonuclease, C-terminal domain superfamily / DNA polymerase A / DNA polymerase family A / DNA-directed DNA polymerase, family A, conserved site / DNA polymerase family A signature. / DNA-directed DNA polymerase, family A, palm domain / DNA polymerase A domain / PIN-like domain superfamily / Helix-hairpin-helix DNA-binding motif, class 1 / Helix-hairpin-helix DNA-binding motif class 1 / Ribonuclease H-like superfamily/Ribonuclease H / Nucleotidyltransferase; domain 5 / Ribonuclease H superfamily / Ribonuclease H-like superfamily / Alpha-Beta Plaits / DNA/RNA polymerase superfamily / Up-down Bundle / 2-Layer Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE / DNA / DNA (> 10) / DNA polymerase I, thermostable
Similarity search - Component
Biological speciesThermus aquaticus (bacteria)
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.91 Å
AuthorsZeng, H. / Mondal, M. / Song, R.Y. / Zhang, J. / Xia, B. / Gao, Y.Q. / Yi, C.Q.
Funding support China, 2items
OrganizationGrant numberCountry
the National Basic Research Foundation of China Grant2014CB964900 China
the National Natural Science Foundation of China Grants31270838 and 21522201 China
CitationJournal: Angew. Chem. Int. Ed. Engl. / Year: 2019
Title: Unnatural Cytosine Bases Recognized as Thymines by DNA Polymerases by the Formation of the Watson-Crick Geometry.
Authors: Zeng, H. / Mondal, M. / Song, R. / Zhang, J. / Xia, B. / Liu, M. / Zhu, C. / He, B. / Gao, Y.Q. / Yi, C.
History
DepositionJan 8, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Nov 21, 2018Provider: repository / Type: Initial release
Revision 1.1Jan 2, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation.year / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.2Nov 22, 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_conn_type
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.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.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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 / _struct_conn_type.id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA polymerase I, thermostable
B: DNA (5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*(DOC))-3')
C: DNA (5'-D(*AP*AP*AP*CP*GP*GP*CP*GP*CP*CP*GP*(5FC)P*GP*GP*TP*C)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)70,46112
Polymers69,4203
Non-polymers1,0419
Water8,971498
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9000 Å2
ΔGint-32 kcal/mol
Surface area24450 Å2
MethodPISA
Unit cell
Length a, b, c (Å)107.947, 107.947, 90.121
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
Components on special symmetry positions
IDModelComponents
11A-1334-

HOH

21A-1375-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein DNA polymerase I, thermostable / Taq polymerase 1


Mass: 60865.887 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus aquaticus (bacteria) / Gene: polA, pol1 / Production host: Escherichia coli (E. coli) / References: UniProt: P19821, DNA-directed DNA polymerase

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DNA chain , 2 types, 2 molecules BC

#2: DNA chain DNA (5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*(DOC))-3')


Mass: 3617.371 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#3: DNA chain DNA (5'-D(*AP*AP*AP*CP*GP*GP*CP*GP*CP*CP*GP*(5FC)P*GP*GP*TP*C)-3')


Mass: 4937.191 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Non-polymers , 4 types, 507 molecules

#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-DGT / 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O13P3
#6: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C3H8O3
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 498 / Source method: isolated from a natural source / Formula: H2O

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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: 2.18 Å3/Da / Density % sol: 43.67 %
Crystal growTemperature: 293.15 K / Method: evaporation / pH: 7
Details: 0.05 M sodium cacodylate (pH 7.0), 0.2 M ammonium acetate, 0.01 M magnesium acetate, 24% PEG 8000

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.9793 Å
DetectorType: MAR CCD 130 mm / Detector: CCD / Date: Dec 15, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9793 Å / Relative weight: 1
ReflectionResolution: 1.91→93.49 Å / Num. obs: 42010 / % possible obs: 99.8 % / Redundancy: 6.4 % / Net I/σ(I): 18.69
Reflection shellResolution: 1.91→1.94 Å

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Processing

Software
NameVersionClassification
REFMAC5.8.0103refinement
HKL-3000data reduction
SCALEPACKdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4DFK

4dfk


Resolution: 1.91→93.48 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.925 / SU B: 8.112 / SU ML: 0.127 / Cross valid method: THROUGHOUT / ESU R: 0.188 / ESU R Free: 0.164 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22933 2215 5 %RANDOM
Rwork0.1834 ---
obs0.18568 42010 92.94 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 26.317 Å2
Baniso -1Baniso -2Baniso -3
1--0.18 Å2-0.09 Å20 Å2
2---0.18 Å20 Å2
3---0.59 Å2
Refinement stepCycle: 1 / Resolution: 1.91→93.48 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4278 568 64 498 5408
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0185066
X-RAY DIFFRACTIONr_bond_other_d0.0020.024637
X-RAY DIFFRACTIONr_angle_refined_deg1.551.8956978
X-RAY DIFFRACTIONr_angle_other_deg1.152310651
X-RAY DIFFRACTIONr_dihedral_angle_1_deg9.2875542
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.16322.293205
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.29715759
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.5011554
X-RAY DIFFRACTIONr_chiral_restr0.0910.2745
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0215264
X-RAY DIFFRACTIONr_gen_planes_other0.0020.021163
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.3961.0112159
X-RAY DIFFRACTIONr_mcbond_other0.3941.0112158
X-RAY DIFFRACTIONr_mcangle_it0.7071.5152698
X-RAY DIFFRACTIONr_mcangle_other0.7071.5152699
X-RAY DIFFRACTIONr_scbond_it0.4671.1232906
X-RAY DIFFRACTIONr_scbond_other0.4671.1232906
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other0.7911.6524279
X-RAY DIFFRACTIONr_long_range_B_refined5.7949.8416392
X-RAY DIFFRACTIONr_long_range_B_other5.7949.8416392
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.907→1.957 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.259 89 -
Rwork0.244 1375 -
obs--42.07 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
10.7551-0.3797-0.27110.95070.01411.65340.0313-0.00450.04610.04610.0057-0.0334-0.25770.1761-0.0370.0875-0.00480.00630.0319-0.00310.0046-34.6073-12.30855.2344
20.77390.2616-0.20972.9528-0.34572.7577-0.136-0.10410.11460.20930.07320.56740.2909-0.48060.06280.11430.01080.02840.1512-0.03390.1272-38.0046-20.417218.8539
30.2033-0.6117-0.12463.1089-1.40263.3048-0.0651-0.1347-0.02060.55420.15160.0798-0.25420.1117-0.08640.1872-0.0909-0.01920.31510.01940.0504-36.1166-16.802921.2063
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A294 - 903
2X-RAY DIFFRACTION2B101 - 201
3X-RAY DIFFRACTION3C201 - 216

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