1zqv

DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF CACL2 (150 MILLIMOLAR)

Method: X-RAY DIFFRACTION D_max: 66.9 Å Quality: EXCELLENT

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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA POLYMERASE BETA

Rattus norvegicus

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 87–334	Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：pH 6.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 6.5 CACL2, 150 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.70 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 1ZQV	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1BNO NMR SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF DNA POLYMERASE BETA, MINIMIZED AVERAGE STRUCTURE Deposited 1996-04-25	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–86（86 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 1 - 87	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.7；300 K	Resolution not provided
1BNP NMR SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF DNA POLYMERASE BETA, 55 STRUCTURES Deposited 1996-04-25	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–86（86 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 1 - 87	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.7；300 K	Resolution not provided
1BPB CRYSTAL STRUCTURE OF RAT DNA POLYMERASE BETA: EVIDENCE FOR A COMMON POLYMERASE MECHANISM Deposited 1994-04-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.30 Å
1BPD CRYSTAL STRUCTURE OF RAT DNA POLYMERASE BETA: EVIDENCE FOR A COMMON POLYMERASE MECHANISM Deposited 1994-04-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–334（334 aa）	Not recorded	PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 3.60 Å
1BPE CRYSTAL STRUCTURE OF RAT DNA POLYMERASE BETA; EVIDENCE FOR A COMMON POLYMERASE MECHANISM Deposited 1994-04-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–334（334 aa）	Not recorded	DTP 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.90 Å
1DK2 REFINED SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF DNA POLYMERASE BETA Deposited 1999-12-06	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–86（86 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 1-87	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.7；300 K；Ionic strength (raw mmCIF value) 400 mM NACL；Pressure AMBIENT NMR measurement conditions pH 6.8；298 K；Ionic strength (raw mmCIF value) 100 mM NACL；Pressure AMBIENT NMR sample composition 2.8 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N,13C; 5MM TRIS- D11; 400MM NACL NMR sample composition 2 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N; 5MM TRIS-D11; 100MM NACL NMR sample composition 4 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N; 5MM TRIS-D11; 400MM NACL NMR sample composition 2.8 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N,13C; 5MM TRIS- D11; 400MM NACL NMR sample composition 1.4 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87); 5MM TRIS-D11; 400MM NACL	Resolution not provided
1DK3 REFINED SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF DNA POLYMERASE BETA Deposited 1999-12-06	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–87（87 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 1-87	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.7；300 K；Ionic strength (raw mmCIF value) 400；Pressure AMBIENT NMR measurement conditions pH 6.8；298 K；Ionic strength (raw mmCIF value) 100；Pressure AMBIENT NMR sample composition 2.8 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N,13C; 5MM TRIS- D11; 400MM NACL NMR sample composition 2 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N; 5MM TRIS-D11; 100MM NACL NMR sample composition 4 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N; 5MM TRIS-D11; 400MM NACL NMR sample composition 2.8 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87) U-15N,13C; 5MM TRIS- D11; 400MM NACL NMR sample composition 1.4 MM RAT DNA POLYMERASE BETA N-TERMINAL DOMAIN (2-87); 5MM TRIS-D11; 400MM NACL	Resolution not provided
1HUO CRYSTAL STRUCTURE OF DNA POLYMERASE BETA COMPLEXED WITH DNA AND CR-TMPPCP Deposited 2001-01-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–335（335 aa）	Not recorded	CR CHROMIUM ION × 1 TTE PHOSPHOMETHYL PHOSPHONIC ACID DEOXYTHYMIDYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；8% PEG 3350, 70mM lithium sulfate, 100mM MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.288
1HUO CRYSTAL STRUCTURE OF DNA POLYMERASE BETA COMPLEXED WITH DNA AND CR-TMPPCP Deposited 2001-01-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 1–335（335 aa）	Not recorded	CR CHROMIUM ION × 1 TTE PHOSPHOMETHYL PHOSPHONIC ACID DEOXYTHYMIDYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；8% PEG 3350, 70mM lithium sulfate, 100mM MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.288
1HUZ CRYSTAL STRUCTURE OF DNA POLYMERASE COMPLEXED WITH DNA AND CR-PCP Deposited 2001-01-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–335（335 aa）	Not recorded	CR CHROMIUM ION × 1 MDN METHYLENEDIPHOSPHONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；8% PEG3350, 70mM lithium sulfate, 100mM MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.286
1HUZ CRYSTAL STRUCTURE OF DNA POLYMERASE COMPLEXED WITH DNA AND CR-PCP Deposited 2001-01-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 1–335（335 aa）	Not recorded	CR CHROMIUM ION × 1 MDN METHYLENEDIPHOSPHONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；8% PEG3350, 70mM lithium sulfate, 100mM MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K	Resolution 2.60 Å R-free 0.286
1JN3 FIDELITY PROPERTIES AND STRUCTURE OF M282L MUTATOR MUTANT OF DNA POLYMERASE: SUBTLE STRUCTURAL CHANGES INFLUENCE THE MECHANISM OF NUCLEOTIDE DISCRIMINATION Deposited 2001-07-22	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 84–334（251 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 85 - 335	Mutation：M282L	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；16% PEG 3350, 5mM ammonium sulfate, 150mM sodium acetate, 50mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP at 298K	Resolution 2.35 Å R-free 0.256
1NOM DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF MNCL2 (5 MILLIMOLAR) Deposited 1996-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	MN MANGANESE (II) ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 1 MONTH: PEG 1500, 15% HEPES, 75 MILLIMOLAR, PH 7.5 NACL, 50 MILLIMOLAR DTT, 0.1 MILLIMOLAR MNCL2, 5 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE., pH 6.5	Resolution 3.00 Å
1RPL 2.3 ANGSTROMS CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF DNA POLYMERASE BETA Deposited 1994-10-25	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 84–334（251 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.30 Å
1ZQU DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF ARTIFICIAL MOTHER LIQUOR Deposited 1996-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 6.5 SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.60 Å
1ZQW DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF CSCL (150 MILLIMOLAR) Deposited 1996-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 6.5 CSCL, 150 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.30 Å
1ZQX DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF KCL (150 MILLIMOLAR) Deposited 1996-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% TRIS-HCL, 100 MILLIMOLAR, PH 7.5 KCL, 150 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.50 Å
1ZQY DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF MGCL2 (50 MILLIMOLAR) Deposited 1996-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% TRIS-HCL, 100 MILLIMOLAR, PH 7.5 MGCL2, 50 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.30 Å
1ZQZ DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF MNCL2 (50 MILLIMOLAR) Deposited 1996-04-19	Different ligand/ion Different experimental conditions	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa） Fragment：C-TERMINAL 31-KD DOMAIN (RESIDUES 88 - 335)	Not recorded	MN MANGANESE (II) ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% TRIS-HCL, 100 MILLIMOLAR, PH 7.5 MNCL2, 50 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.	Resolution 2.70 Å
2BPC CRYSTAL STRUCTURE OF RAT DNA POLYMERASE BETA: EVIDENCE FOR A COMMON POLYMERASE MECHANISM Deposited 1994-07-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 87–334（248 aa）	Not recorded	MN MANGANESE (II) ION × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.80 Å
2BPF STRUCTURES OF TERNARY COMPLEXES OF RAT DNA POLYMERASE BETA, A DNA TEMPLATE-PRIMER, AND DDCTP Deposited 1994-05-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–334（334 aa）	Not recorded	MG MAGNESIUM ION × 2 DCT 2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；pH 6.50	Resolution 2.90 Å
2BPG STRUCTURES OF TERNARY COMPLEXES OF RAT DNA POLYMERASE BETA, A DNA TEMPLATE-PRIMER, AND DDCTP Deposited 1994-05-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–334（334 aa）	Not recorded	MG MAGNESIUM ION × 1 DCT 2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；pH 6.50	Resolution 3.60 Å
2BPG STRUCTURES OF TERNARY COMPLEXES OF RAT DNA POLYMERASE BETA, A DNA TEMPLATE-PRIMER, AND DDCTP Deposited 1994-05-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 1–334（334 aa）	Not recorded	DCT 2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；pH 6.50	Resolution 3.60 Å
2VAN Nucleotidyl Transfer Mechanism of Mismatched dNTP Incorporation by DNA Polymerase b by Structural and Kinetic Analyses Deposited 2007-09-03	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 90–334（245 aa） Fragment：31K DOMAIN, RESIDUES 90-334	Mutation：YES	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.10 Å R-free 0.249
3K75 X-ray crystal structure of reduced XRCC1 bound to DNA pol beta catalytic domain Deposited 2009-10-12	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 91–335（245 aa） Fragment：UNP residues 91 to 335	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；20-25% PEG 3350, 0.2-0.3M Tri-potassium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.95 Å R-free 0.295
3K75 X-ray crystal structure of reduced XRCC1 bound to DNA pol beta catalytic domain Deposited 2009-10-12	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 91–335（245 aa） Fragment：UNP residues 91 to 335	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；20-25% PEG 3350, 0.2-0.3M Tri-potassium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.95 Å R-free 0.295
3LQC X-ray crystal structure of oxidized XRCC1 bound to DNA pol beta Palm thumb domain Deposited 2010-02-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 142–335（194 aa）	Not recorded	NA SODIUM ION × 1 CO3 CARBONATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；20-25% PEG 3350, 0.2-0.3M TRI-POTASSIUM CITRATE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.35 Å R-free 0.250
3UXN Crystal Structure of Rat DNA Polymerase Beta, Wild Type Apoenzyme Deposited 2011-12-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–335（335 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；PEG 3350, MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.50 Å R-free 0.317
3UXN Crystal Structure of Rat DNA Polymerase Beta, Wild Type Apoenzyme Deposited 2011-12-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 1–335（335 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；PEG 3350, MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.50 Å R-free 0.317
3UXO Crystal Structure of Rat DNA Polymerase Beta Mutator I260Q Apoenzyme Deposited 2011-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–335（335 aa）	Mutation：I260Q	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；PEG 3350, MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.10 Å R-free 0.318
3UXO Crystal Structure of Rat DNA Polymerase Beta Mutator I260Q Apoenzyme Deposited 2011-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 1–335（335 aa）	Mutation：I260Q	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；PEG 3350, MES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.10 Å R-free 0.318
3UXP Co-crystal Structure of Rat DNA polymerase beta Mutator I260Q: Enzyme-DNA-ddTTP Deposited 2011-12-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–335（335 aa）	Mutation：I260Q	D3T 2',3'-DIDEOXY-THYMIDINE-5'-TRIPHOSPHATE × 1 NA SODIUM ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；296 K；Peg3350, NaCl, Glycerol, Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.72 Å R-free 0.292
3UXP Co-crystal Structure of Rat DNA polymerase beta Mutator I260Q: Enzyme-DNA-ddTTP Deposited 2011-12-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain B 1–335（335 aa）	Mutation：I260Q	D3T 2',3'-DIDEOXY-THYMIDINE-5'-TRIPHOSPHATE × 1 NA SODIUM ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；296 K；Peg3350, NaCl, Glycerol, Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.72 Å R-free 0.292
3V72 Crystal Structure of Rat DNA polymerase beta Mutator E295K: Enzyme-dsDNA Deposited 2011-12-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 1–335（335 aa）	Mutation：E295K	NA SODIUM ION × 2 CL CHLORIDE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；296 K；PEG 3350, NaCl, Glycerol, Cacodylate, pH 6.5, vapor diffusion, temperature 296K	Resolution 2.49 Å R-free 0.291
3V7J Co-crystal structure of Wild Type Rat polymerase beta: Enzyme-DNA binary complex Deposited 2011-12-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 4–335（332 aa）	Not recorded	NA SODIUM ION × 8 CL CHLORIDE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；296 K；PEG 3350, NaCl, Glycerol, Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.25 Å R-free 0.243
3V7K Co-crystal structure of K72E variant of rat polymerase beta: Enzyme-DNA binary complex Deposited 2011-12-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric	Chain A 4–335（332 aa）	Mutation：K72E	NA SODIUM ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；296 K；PEG 3350, NaCl, Glycerol, Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.27 Å R-free 0.277
3V7L Apo Structure of Rat DNA polymerase beta K72E variant Deposited 2011-12-21	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 4–335（332 aa）	Mutation：K72E	NA SODIUM ION × 2 CL CHLORIDE ION × 2 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；296 K；PEG 3350, NaCl, Glycerol, Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K	Resolution 2.66 Å R-free 0.335

30 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	DPOB_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–248； UniProt 87–334

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1zqv
Deposition date deposition_date	1996-04-19
Structure title title	DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF CACL2 (150 MILLIMOLAR)
Keywords keywords	DNA-DIRECTED DNA POLYMERASE, DNA REPLICATION, DNA REPAIR, NUCLEOTIDYLTRANSFERASE; NUCLEOTIDYLTRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	21.25 Å
Radius of gyration Rg (electron density) rg_electron	20.31 Å
Forward intensity I(0) i0	13585100.00
Molecular weight molecular_weight	27399.0 kDa
Excluded volume excluded_volume	34121 Å³
Envelope volume envelope_volume	41583 Å³
Hydration-shell volume shell_volume	17680 Å³
Envelope diameter envelope_diameter	68.5 Å
Shell Rg shell_rg	26.22 Å
Envelope Rg envelope_rg	20.53 Å
Shape Rg shape_rg	20.34 Å
Total Rg total_rg	21.04 Å
Total atoms total_atoms	1929
Residues n_residues	242
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	66.9 Å
Rg (real space) rg_real	21.22 Å
Rg uncertainty (real space) rg_real_error	0.44 Å
I(0) (real space) i0_real	1.3590e+07
I(0) uncertainty (real space) i0_real_error	1.8670e+05
Rg (reciprocal space) rg_reciprocal	21.23 Å
I(0) (reciprocal space) i0_reciprocal	13590000.0000
Solution quality estimate total_estimate	0.9079
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	21.6 Å
Skewness Skewness skewness	0.245
Kurtosis Kurtosis kurtosis	-0.561
Angular range angular_range	— – 0.3750 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	4189000.0000
Real-space data points n_real_points	69
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.941; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.997

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	DNA POLYMERASE BETA
Molecular weight formula_weight	28774.5 kDa
EC 编号 ec_number	2.7.7.7
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2046

IRQDDTSSSINFLTRVTGIGPSAARKLVDEGIKTLEDLRKNEDKLNHHQRIGLKYFEDFEKRIPREEMLQMQDIVLNEVKKLDPEYIATVCGSFRRGAESSGDMDVLLTHPNFTSESSKQPKLLHRVVEQLQKVRFITDTLSKGETKFMGVCQLPSENDENEYPHRRIDIRLIPKDQYYCGVLYFTGSDIFNKNMRAHALEKGFTINEYTIRPLGVTGVAGEPLPVDSEQDIFDYIQWRYREPKDRSE

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI Class编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	106

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7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1zqva1
Class class	a — All alpha proteins
Fold Fold fold	a.60 — SAM domain-like
Superfamily Superfamily superfamily	a.60.12 — PsbU/PolX domain-like
Family Family family	a.60.12.1 — DNA polymerase beta-like, second domain

Domain ID domain_id	d1zqva2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.218 — Nucleotidyltransferase
Superfamily Superfamily superfamily	d.218.1 — Nucleotidyltransferase
Family Family family	d.218.1.2 — DNA polymerase beta-like

CATH v4.4 (3 domains)

Domain ID domain_id	1zqvA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	20 — 5' to 3' exonuclease, C-terminal subdomain

Domain ID domain_id	1zqvA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	460 — Beta Polymerase; domain 2
Homologous superfamily homologous superfamily	10 — Beta Polymerase, domain 2

Domain ID domain_id	1zqvA03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	210 — Beta Polymerase; domain 3
Homologous superfamily homologous superfamily	10 — DNA polymerase, thumb domain

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8. Citations (9)

Characterization of the metal ion binding helix-hairpin-helix motifs in human DNA polymerase beta by X-ray structural analysis.

Biochemistry (1996)

PMID: 8841120 · DOI: 10.1021/bi960790i PRIMARY

;Crystal Structures of Human DNA Polymerase Beta Complexed with DNA; Implications for Catalytic Mechanism, Processivity, and Fidelity ;

Biochemistry (1996)

A Structural Basis for Metal Ion Mutagenicity and Nucleotide Selectivity in Human DNA Polymerase Beta

Biochemistry (1996)

Characterization of the Metal Ion-Binding HHH Motifs in Human DNA Polymerase Beta by X-Ray Structural Analysis

Biochemistry (1996)

Polymerase Structures and Mechanism

Science (1994)

Structures of Ternary Complexes of Rat DNA Polymerase Beta, a DNA Template-Primer, and ddCTP

Science (1994)

Crystal Structure of Rat DNA Polymerase Beta: Evidence for a Common Polymerase Mechanism

Science (1994)

Crystal Structures of Human DNA Polymerase Beta Complexed with Nicked and Gapped DNA Substrates

To be Published

The Role of Thumb Movement and Template Bending in Polymerase Fidelity

To be Published

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Unit-cell length a length_a	120.765 Å
Unit-cell length b length_b	63.349 Å
Unit-cell length c length_c	35.750 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

fit	/app/data/saxs_computation/zq/1zqv/1zqv.fit
pddf	/app/data/pr_computation/zq/1zqv/1zqv.pr.out
profile	/app/data/saxs_computation/zq/1zqv/1zqv.dat

DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF CACL2 (150 MILLIMOLAR)

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA POLYMERASE BETA

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

CATH v4.4 (3 domains)

8. Citations (9)

9. Files and Curves (10)

Files (7)

Curves (3)