6g0a

The crystal structure of the Pol2 catalytic domain of DNA polymerase epsilon carrying a P301R substitution.

Method: X-RAY DIFFRACTION

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

DNA polymerase epsilon catalytic subunit A

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P21951

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Monomer	Protein 1 DNA 2	;DNA (5'-D(PTPAPAPCPCPGPCPGPTPTPDC)-3') ; × 1 ;DNA (5'-D(PTPCPTPTPGPAPAPCPGPCPGPGPTPTPA)-3') ; × 1 ;2'-DEOXYADENOSINE 5'-TRIPHOSPHATE ; × 1 CALCIUM ION × 2 FE (III) ION × 1 water × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DPOE_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–1191； UniProt 1–1186

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	6g0a
Deposition date deposition_date	2018-03-16
Structure title title	The crystal structure of the Pol2 catalytic domain of DNA polymerase epsilon carrying a P301R substitution.
Keywords keywords	DNA, Pol2, PolE, Epsilon, P301R, cancer, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6g0a__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6g0a__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6g0a__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	33.21 Å
Rg (electron density)	32.62 Å
Total Rg	33.15 Å
Atom count	9187
Residues	1129
Excluded volume	161830 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6g0a__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Description description	DNA polymerase epsilon catalytic subunit A
Molecular weight formula_weight	137235.7 kDa
EC 编号 ec_number	2.7.7.7
Mutation mutation	P301R
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	9202

GGDPHMMFGKKKNNGGSSTARYSAGNKYNTLSNNYALSAQQLLNASKIDDIDSMMGFERYVPPQYNGRFDAKDIDQIPGRVGWLTNMHATLVSQETLSSGSNGGGNSNDGERVTTNQGISGVDFYFLDEEGGSFKSTVVYDPYFFIACNDESRVNDVEELVKKYLESCLKSLQIIRKEDLTMDNHLLGLQKTLIKLSFVNSNQLFEARKLLRPILQDNANNNVQRNIYNVAANGSEKVDAKHLIEDIREYDVPYHVRVSIDKDIRVGKWYKVTQQGFIEDTRKIAFADPVVMAFDIETTKPPLKFRDSAVDQIMMISYMIDGEGFLITNREIISEDIEDFEYTPKPEYPGFFTIFNENDEVALLQRFFEHIRDVRPTVISTFNGDFFDWPFIHNRSKIHGLDMFDEIGFAPDAEGEYKSSYCSHMDCFRWVKRDSYLPQGSQGLKAVTQSKLGYNPIELDPELMTPYAFEKPQHLSEYSVSDAVATYYLYMKYVHPFIFSLCTIIPLNPDETLRKGTGTLCEMLLMVQAYQHNILLPNKHTDPIERFYDGHLLESETYVGGHVESLEAGVFRSDLKNEFKIDPSAIDELLQELPEALKFSVEVENKSSVDKVTNFEEIKNQITQKLLELKENNIRNELPLIYHVDVASMYPNIMTTNRLQPDSIKAERDCASCDFNRPGKTCARKLKWAWRGEFFPSKMDEYNMIKRALQNETFPNKNKFSKKKVLTFDELSYADQVIHIKKRLTEYSRKVYHRVKVSEIVEREAIVCQRENPFYVDTVKSFRDRRYEFKGLAKTWKGNLSKIDPSDKHARDEAKKMIVLYDSLQLAHKVILNSFYGYVMRKGSRWYSMEMAGITCLTGATIIQMARALVERVGRPLELDTDGIWCILPKSFPETYFFTLENGKKLYLSYPCSMLNYRVHQKFTNHQYQELKDPLNYIYETHSENTIFFEVDGPYKAMILPSSKEEGKGIKKRYAVFNEDGSLAELKGFELKRRGELQLIKNFQSDIFKVFLEGDTLEGCYSAVASVCNRWLDVLDSHGLMLEDEDLVSLICENRSMSKTLKEYEGQKSTSITTARRLGDFLGEDMVKDKGLQCKYIISSKPFNAPVTERAIPVAIFSADIPIKRSFLRRWTLDPSLEDLDIRTIIDWGYYRERLGSAIQKIITIPAALQGVSNPVPRVEHPDWLKRKIAT

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	;DNA (5'-D(PTPAPAPCPCPGPCPGPTPTP*DC)-3') ;
Molecular weight formula_weight	3293.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	P

TAACCGCGTTC

Entity 3 Entity 3 polymer

Description description	;DNA (5'-D(PTPCPTPTPGPAPAPCPGPCPGPGPTPTP*A)-3') ;
Molecular weight formula_weight	4600.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

TCTTGAACGCGGTTA

Entity 4 Entity 4 non-polymer

Description description	;2'-DEOXYADENOSINE 5'-TRIPHOSPHATE ;
Molecular weight formula_weight	491.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 non-polymer

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	15

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Unit-cell length a length_a	159.895 Å
Unit-cell length b length_b	67.252 Å
Unit-cell length c length_c	151.639 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	111.50 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.620 Å
Low-resolution limit resolution_low	19.977 Å
R factor r_factor	0.2260
R_work r_work	0.2240
R_free r_free	0.2651

The crystal structure of the Pol2 catalytic domain of DNA polymerase epsilon carrying a P301R substitution.

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

DNA polymerase epsilon catalytic subunit A

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6g0a__assembly_1__model_1

6g0a__assembly_1__model_1 | I(q)

6g0a__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

7. Citations (1)

The crystal structure of the Pol2 catalytic domain of DNA polymerase epsilon carrying a P301R substitution.

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

DNA polymerase epsilon catalytic subunit A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6g0a__assembly_1__model_1

6g0a__assembly_1__model_1 | I(q)

6g0a__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

7. Citations (1)