SAXSdb — 3bg2

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

DGTP triphosphohydrolase

Leeuwenhoekiella blandensis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A3XHN1_9FLAO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–444； UniProt 1–444 Author chain B； PDBConstruct 1–444； UniProt 1–444

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	3bg2
Deposition date deposition_date	2007-11-25
Structure title title	Crystal structure of deoxyguanosinetriphosphate triphosphohydrolase from Flavobacterium sp. MED217
Keywords keywords	;Structural genomics, NYSGXRC, target 10395n, TRIPHOSPHOHYDROLASE, PSI-2, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, HYDROLASE ;; HYDROLASE
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.

3bg2__assembly_1__model_1

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

Download this curve (.dat)

3bg2__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3bg2__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	42.99 Å
Rg (electron density)	42.47 Å
Total Rg	42.75 Å
Atom count	19068
Residues	2382
Excluded volume	339890 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3bg2__assembly_1__model_1`	hexameric （6）	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 (2)

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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	3bg2A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3210 — Hypothetical protein af1432
Homologous superfamily homologous superfamily	10 — Hypothetical protein af1432

Domain ID domain_id	3bg2A02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3550 — eoxyguanosinetriphosphate triphosphohydrolase fold
Homologous superfamily homologous superfamily	10 — eoxyguanosinetriphosphate triphosphohydrolase domain-like

Domain ID domain_id	3bg2A03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3410 — putative deoxyguanosinetriphosphate triphosphohydrolase fold
Homologous superfamily homologous superfamily	10 — putative deoxyguanosinetriphosphate triphosphohydrolase like domain

Domain ID domain_id	3bg2B01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3210 — Hypothetical protein af1432
Homologous superfamily homologous superfamily	10 — Hypothetical protein af1432

Domain ID domain_id	3bg2B02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3550 — eoxyguanosinetriphosphate triphosphohydrolase fold
Homologous superfamily homologous superfamily	10 — eoxyguanosinetriphosphate triphosphohydrolase domain-like

Domain ID domain_id	3bg2B03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3410 — putative deoxyguanosinetriphosphate triphosphohydrolase fold
Homologous superfamily homologous superfamily	10 — putative deoxyguanosinetriphosphate triphosphohydrolase like domain

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Unit-cell length a length_a	200.403 Å
Unit-cell length b length_b	200.403 Å
Unit-cell length c length_c	86.239 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	18

Space group space_group	H 3
Space-group number int_tables_number	146
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	24.930 Å
R factor r_factor	0.2680
R_work r_work	0.2680
R_free r_free	0.2850

Description description	DGTP triphosphohydrolase
Molecular weight formula_weight	50470.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6474

Crystal structure of deoxyguanosinetriphosphate triphosphohydrolase from Flavobacterium sp. MED217

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

DGTP triphosphohydrolase

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

3bg2__assembly_1__model_1

3bg2__assembly_1__model_1 | I(q)

3bg2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	Leeuwenhoekiella blandensis
NCBI taxonomy ID ncbi_taxonomy_id	398720
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	118

Crystal structure of deoxyguanosinetriphosphate triphosphohydrolase from Flavobacterium sp. MED217

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

DGTP triphosphohydrolase

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

3bg2__assembly_1__model_1

3bg2__assembly_1__model_1 | I(q)

3bg2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)