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- PDB-1zqa: DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7) COMPLEXED WITH SEVEN BA... -

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Entry
Database: PDB / ID: 1zqa
TitleDNA POLYMERASE BETA (POL B) (E.C.2.7.7.7) COMPLEXED WITH SEVEN BASE PAIRS OF DNA; SOAKED IN THE PRESENCE OF KCL (150 MILLIMOLAR) AT PH 7.5
Components
  • DNA (5'-D(*CP*AP*TP*TP*AP*GP*AP*A)-3')
  • DNA (5'-D(*TP*CP*TP*AP*AP*TP*G)-3')
  • PROTEIN (DNA POLYMERASE BETA (E.C.2.7.7.7))
KeywordsTRANSFERASE/DNA / DNA-DIRECTED DNA POLYMERASE / DNA REPLICATION / DNA REPAIR / NUCLEOTIDYLTRANSFERASE / COMPLEX (NUCLEOTIDYLTRANSFERASE-DNA / TRANSFERASE-DNA complex
Function / homology
Function and homology information


Resolution of AP sites via the single-nucleotide replacement pathway / immunoglobulin heavy chain V-D-J recombination / Resolution of AP sites via the multiple-nucleotide patch replacement pathway / Abasic sugar-phosphate removal via the single-nucleotide replacement pathway / APEX1-Independent Resolution of AP Sites via the Single Nucleotide Replacement Pathway / Lyases; Carbon-oxygen lyases; Other carbon-oxygen lyases / POLB-Dependent Long Patch Base Excision Repair / pyrimidine dimer repair / homeostasis of number of cells / 5'-deoxyribose-5-phosphate lyase activity ...Resolution of AP sites via the single-nucleotide replacement pathway / immunoglobulin heavy chain V-D-J recombination / Resolution of AP sites via the multiple-nucleotide patch replacement pathway / Abasic sugar-phosphate removal via the single-nucleotide replacement pathway / APEX1-Independent Resolution of AP Sites via the Single Nucleotide Replacement Pathway / Lyases; Carbon-oxygen lyases; Other carbon-oxygen lyases / POLB-Dependent Long Patch Base Excision Repair / pyrimidine dimer repair / homeostasis of number of cells / 5'-deoxyribose-5-phosphate lyase activity / PCNA-Dependent Long Patch Base Excision Repair / response to hyperoxia / lymph node development / salivary gland morphogenesis / somatic hypermutation of immunoglobulin genes / spleen development / base-excision repair, gap-filling / DNA-(apurinic or apyrimidinic site) endonuclease activity / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / response to gamma radiation / spindle microtubule / base-excision repair / double-strand break repair via nonhomologous end joining / DNA-templated DNA replication / intrinsic apoptotic signaling pathway in response to DNA damage / neuron apoptotic process / response to ethanol / microtubule binding / in utero embryonic development / DNA-directed DNA polymerase / damaged DNA binding / microtubule / DNA-directed DNA polymerase activity / Ub-specific processing proteases / lyase activity / inflammatory response / DNA repair / DNA damage response / enzyme binding / protein-containing complex / nucleoplasm / metal ion binding / nucleus / cytoplasm
Similarity search - Function
Beta Polymerase; domain 3 / DNA polymerase, thumb domain / DNA polymerase family X, beta-like / DNA polymerase beta, N-terminal domain-like / DNA polymerase beta, palm domain / DNA polymerase beta palm / DNA polymerase lambda, fingers domain / Fingers domain of DNA polymerase lambda / DNA-directed DNA polymerase X / DNA polymerase beta-like, N-terminal domain ...Beta Polymerase; domain 3 / DNA polymerase, thumb domain / DNA polymerase family X, beta-like / DNA polymerase beta, N-terminal domain-like / DNA polymerase beta, palm domain / DNA polymerase beta palm / DNA polymerase lambda, fingers domain / Fingers domain of DNA polymerase lambda / DNA-directed DNA polymerase X / DNA polymerase beta-like, N-terminal domain / Helix-hairpin-helix domain / DNA polymerase X family / DNA polymerase family X, binding site / DNA polymerase family X signature. / DNA polymerase lambda lyase domain superfamily / DNA polymerase family X / DNA polymerase beta, thumb domain / DNA polymerase, thumb domain superfamily / DNA polymerase beta thumb / Helix-hairpin-helix DNA-binding motif, class 1 / Helix-hairpin-helix DNA-binding motif class 1 / Beta Polymerase, domain 2 / Beta Polymerase; domain 2 / Nucleotidyltransferase superfamily / 5' to 3' exonuclease, C-terminal subdomain / DNA polymerase; domain 1 / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
: / DNA / DNA polymerase beta
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / DIFFERENCE FOURIER / Resolution: 3.2 Å
AuthorsPelletier, H. / Sawaya, M.R.
Citation
Journal: Biochemistry / Year: 1996
Title: Characterization of the metal ion binding helix-hairpin-helix motifs in human DNA polymerase beta by X-ray structural analysis.
Authors: Pelletier, H. / Sawaya, M.R.
#1: Journal: To be Published
Title: Crystal Structures of Human DNA Polymerase Beta Complexed with Nicked and Gapped DNA Substrates
Authors: Sawaya, M.R. / Rawson, T. / Wilson, S.H. / Kraut, J. / Pelletier, H.
#2: Journal: To be Published
Title: The Role of Thumb Movement and Template Bending in Polymerase Fidelity
Authors: Pelletier, H.
#3: Journal: Biochemistry / Year: 1996
Title: Crystal Structures of Human DNA Polymerase Beta Complexed with DNA; Implications for Catalytic Mechanism, Processivity, and Fidelity
Authors: Pelletier, H. / Sawaya, M.R. / Wolfle, W. / Wilson, S.H. / Kraut, J.
#4: Journal: Biochemistry / Year: 1996
Title: A Structural Basis for Metal Ion Mutagenicity and Nucleotide Selectivity in Human DNA Polymerase Beta
Authors: Pelletier, H. / Sawaya, M.R. / Wolfle, W. / Wilson, S.H. / Kraut, J.
#5: Journal: Science / Year: 1994
Title: Polymerase Structures and Mechanism
Authors: Pelletier, H.
#6: Journal: Science / Year: 1994
Title: Structures of Ternary Complexes of Rat DNA Polymerase Beta, a DNA Template- Primer, and ddCTP
Authors: Pelletier, H. / Sawaya, M.R. / Kumar, A. / Wilson, S.H. / Kraut, J.
#7: Journal: Science / Year: 1994
Title: Crystal Structure of Rat DNA Polymerase Beta: Evidence for a Common Polymerase Mechanism
Authors: Sawaya, M.R. / Pelletier, H. / Kumar, A. / Wilson, S.H. / Kraut, J.
History
DepositionApr 12, 1996Deposition site: BNL / Processing site: NDB
Revision 1.0Nov 15, 1996Provider: repository / Type: Initial release
Revision 1.1May 22, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 2, 2023Group: Database references / Derived calculations / Refinement description
Category: database_2 / pdbx_initial_refinement_model ...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.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_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
T: DNA (5'-D(*CP*AP*TP*TP*AP*GP*AP*A)-3')
P: DNA (5'-D(*TP*CP*TP*AP*AP*TP*G)-3')
A: PROTEIN (DNA POLYMERASE BETA (E.C.2.7.7.7))
hetero molecules


Theoretical massNumber of molelcules
Total (without water)42,8675
Polymers42,7893
Non-polymers782
Water2,504139
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)178.376, 57.899, 48.433
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: DNA chain DNA (5'-D(*CP*AP*TP*TP*AP*GP*AP*A)-3')


Mass: 2434.643 Da / Num. of mol.: 1 / Source method: obtained synthetically
#2: DNA chain DNA (5'-D(*TP*CP*TP*AP*AP*TP*G)-3')


Mass: 2112.422 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Protein PROTEIN (DNA POLYMERASE BETA (E.C.2.7.7.7))


Mass: 38241.672 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P06746
#4: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: K
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 139 / Source method: isolated from a natural source / Formula: H2O
Compound detailsA POSSIBLE PHYSIOLOGICAL SUBSTRATE FOR POL BETA IS A DNA GAP, WHERE THE LENGTH OF THE GAP CAN RANGE ...A POSSIBLE PHYSIOLOGICAL SUBSTRATE FOR POL BETA IS A DNA GAP, WHERE THE LENGTH OF THE GAP CAN RANGE FROM ONE TO SIX NUCLEOTIDES, AND THE DOWNSTREAM END OF THE DNA GAP IS 5'-PHOSPHORYLATED. IN ORDER TO CREATE VARIOUS GAPPED-DNA SUBSTRATES FOR USE IN POL BETA-DNA CO-CRYSTALLIZATION ATTEMPTS, THE AUTHORS HAD TO ANNEAL THREE DIFFERENT OLIGONUCLEOTIDES TOGETHER PRIOR TO CRYSTALLIZATION: (1) A RELATIVELY LONG (14 TO 20 MER) OLIGONUCLEOTIDE THAT WAS TO SERVE AS THE TEMPLATE, (2) ONE SHORTER (5 OR 6 MER) OLIGONUCLEOTIDE THAT WAS TO SERVE AS THE PRIMER, AND (3) ANOTHER SHORTER (4 TO 10 MER) OLIGONUCLEOTIDE THAT WAS 5'-PHOSPHORYLATED AND WAS TO SERVE AS THE DOWNSTREAM OLIGONUCLEOTIDE. DNA SEQUENCES CORRESPONDING TO THE TEMPLATE, THE PRIMER, AND THE DOWNSTREAM OLIGONUCLEOTIDE FOR THE CRYSTAL STRUCTURE PRESENTED HERE ARE: 5'-CATTAGAAAGGGAAGCGCCG-3' (20-MER), 5'-CGGCGC-3' (6-MER), AND 5'-PO4-TCTAATG-3' (7-MER), RESPECTIVELY, WHERE "5'-PO4" INDICATES THAT THE 5' TERMINUS OF THIS OLIGONUCLEOTIDE IS 5'-PHOSPHORYLATED. HOWEVER, AN UNEXPECTED POL BETA-DNA COMPLEX RESULTED FROM THE CO-CRYSTALLIZATION ATTEMPTS SO THAT WHAT WAS ORIGINALLY INTENDED TO BE THE 5'-PHOSPHORYLATED DOWNSTREAM OLIGONUCLEOTIDE IS BOUND WHERE THE PRIMER STRAND WAS EXPECTED TO BIND (SEE REFERENCE 1). IN ADDITION, A MAJORITY OF THE GAPPED-DNA SUBSTRATE (THAT IS, SIX BASE PAIRS OF TEMPLATE-PRIMER TETHERED TO A FLEXIBLE, SINGLE-STRANDED DNA GAP) IS TOO DISORDERED TO BE OBSERVABLE IN THE CRYSTAL STRUCTURE, ALTHOUGH IT IS NEVERTHELESS THOUGHT TO BE PRESENT IN THE CRYSTAL LATTICE (SEE REFERENCE 1). THE END RESULT IS THAT, ALTHOUGH THE AFOREMENTIONED TEMPLATE IS STILL REFERRED TO AS THE TEMPLATE IN THE STRUCTURES PRESENTED HERE, THE AFOREMENTIONED "DOWNSTREAM OLIGONUCLEOTIDE" IS NOW CALLED THE "PRIMER" -- BY ANALOGY WITH PREVIOUSLY REPORTED POL BETA-DNA-DDCTP TERNARY COMPLEX STRUCTURES (SEE ENTRIES 2BPF AND 2BPG AND REFERENCE 8). ONLY THE DNA NUCLEOTIDES THAT WERE VISIBLE IN THE STRUCTURE ARE INCLUDED IN THE SEQRES SECTION BELOW.

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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: 3 Å3/Da / Density % sol: 58.4 %
Crystal growpH: 7.5
Details: THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A COCRYSTAL OF HUMAN DNA POLYMERASE BETA COMPLEXED WITH 7 BASE PAIRS OF DNA (SEE ENTRY 9ICJ AND REFERENCE 1) HAD BEEN SOAKED IN THE ...Details: THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A COCRYSTAL OF HUMAN DNA POLYMERASE BETA COMPLEXED WITH 7 BASE PAIRS OF DNA (SEE ENTRY 9ICJ AND REFERENCE 1) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 3 DAYS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 7.5 KCL, 150 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200
DetectorType: SDMS / Detector: AREA DETECTOR / Date: Mar 6, 1996
RadiationMonochromator: GRAPHITE / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionResolution: 3.2→20 Å / Num. obs: 6207 / % possible obs: 74 % / Observed criterion σ(I): 0 / Redundancy: 1.9 % / Rsym value: 0.078
Reflection shellResolution: 3.2→3.3 Å / Redundancy: 1.5 % / Rsym value: 0.149 / % possible all: 81

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Processing

Software
NameVersionClassification
TNT5-Drefinement
SDMSdata reduction
SDMSdata scaling
TNTV. 5-Dphasing
RefinementMethod to determine structure: DIFFERENCE FOURIER
Starting model: 1ZQG

1zqg


Resolution: 3.2→20 Å / Isotropic thermal model: TNT / σ(F): 0 / Stereochemistry target values: STANDARD TNT /
RfactorNum. reflection% reflection
obs0.146 6207 74 %
Solvent computationSolvent model: MOEWS / Bsol: 277.5 Å2 / ksol: 0.8 e/Å3
Refinement stepCycle: LAST / Resolution: 3.2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2623 289 2 139 3053
Refine LS restraints
Refine-IDTypeDev idealNumberWeight
X-RAY DIFFRACTIONt_bond_d0.01829940.02
X-RAY DIFFRACTIONt_angle_deg2.940453
X-RAY DIFFRACTIONt_dihedral_angle_d241799
X-RAY DIFFRACTIONt_incorr_chiral_ct0
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes0.016730.02
X-RAY DIFFRACTIONt_gen_planes0.0053940.02
X-RAY DIFFRACTIONt_it5.629946
X-RAY DIFFRACTIONt_nbd0.0231550.02

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