3pnc

Ternary crystal structure of a polymerase lambda variant with a GT mispair at the primer terminus and sodium at catalytic metal site

Method: X-RAY DIFFRACTION

▼

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

DNA polymerase lambda

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Monomer	Protein 1 DNA 3	5'-D(CPAPGPTPAPG)-3' × 1 5'-D(CPGPGPCPCPTPTPAPCPTPG)-3' × 1 5'-D(GPCPCP*G)-3' × 1 2'-deoxy-5'-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]guanosine × 1 MAGNESIUM ION × 1 SODIUM ION × 3 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 water × 4	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DPOLL_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–329； UniProt 242–575

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3pnc
Deposition date deposition_date	2010-11-18
Structure title title	Ternary crystal structure of a polymerase lambda variant with a GT mispair at the primer terminus and sodium at catalytic metal site
Keywords keywords	PROTEIN-DNA COMPLEX, LYASE, TRANSFERASE, DNA, TRANSFERASE-DNA complex; LYASE,TRANSFERASE/DNA
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3pnc__assembly_1__model_1

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

Download this curve (.dat)

3pnc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3pnc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.99 Å
Rg (electron density)	21.41 Å
Total Rg	22.06 Å
Atom count	2916
Residues	337
Excluded volume	50454 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3pnc__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (9)

Entity 1 Entity 1 polymer

Description description	DNA polymerase lambda
Molecular weight formula_weight	36736.0 kDa
EC 编号 ec_number	2.7.7.7, 4.2.99.-
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	3306

AQPSSQKATNHNLHITEKLEVLAKAYSVQGDKWRALGYAKAINALKSFHKPVTSYQEACSIPGIGKRMAEKIIEILESGHLRKLDHISESVPVLELFSNIWGAGTKTAQMWYQQGFRSLEDIRSQASLTTQQAIGLKHYSDFLERMPREEATEIEQTVQKAAQAFNSGLLCVACGSYRRGKATCGDVDVLITHPDGRSHRGIFSRLLDSLRQEGFLTDDLVKGETKYLGVCRLPGPGRRHRRLDIIVVPYSEFACALLYFTGSAHFNRSMRALAKTKGMSLSEHALSTAVVRNTHGCKVGPGRVLPTPTEKDVFRLLGLPYREPAERDW

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	5'-D(CPAPGPTPAPG)-3'
Molecular weight formula_weight	1833.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	B

CAGTAG

Entity 3 Entity 3 polymer

Description description	5'-D(CPGPGPCPCPTPTPAPCPTP*G)-3'
Molecular weight formula_weight	3325.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	C

CGGCCTTACTG

Entity 4 Entity 4 polymer

Description description	5'-D(GPCPCPG)-3'
Molecular weight formula_weight	1191.8 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	D

GCCG

Entity 5 Entity 5 non-polymer

Description description	2'-deoxy-5'-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]guanosine
Molecular weight formula_weight	505.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 8 Entity 8 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 9 Entity 9 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	310

▼

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d3pnca1
Class class	a — All alpha proteins
Fold Fold fold	a.60 — SAM domain-like
Superfamily Superfamily superfamily	a.60.6 — DNA polymerase beta, N-terminal domain-like
Family Family family	a.60.6.1 — DNA polymerase beta, N-terminal domain-like

Domain ID domain_id	d3pnca2
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	d3pnca3
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 (4 domains)

Domain ID domain_id	3pncA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	110 — DNA polymerase beta, N-terminal domain-like

Domain ID domain_id	3pncA02
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	3pncA03
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	3pncA04
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

▶

Unit-cell length a length_a	56.161 Å
Unit-cell length b length_b	62.254 Å
Unit-cell length c length_c	139.834 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	22.440 Å
R factor r_factor	0.2080
R_work r_work	0.2080
R_free r_free	0.2360

Ternary crystal structure of a polymerase lambda variant with a GT mispair at the primer terminus and sodium at catalytic metal site

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

DNA polymerase lambda

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

3pnc__assembly_1__model_1

3pnc__assembly_1__model_1 | I(q)

3pnc__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 (9)

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 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Ternary crystal structure of a polymerase lambda variant with a GT mispair at the primer terminus and sodium at catalytic metal site

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

DNA polymerase lambda

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

3pnc__assembly_1__model_1

3pnc__assembly_1__model_1 | I(q)

3pnc__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 (9)

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 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (1)