SAXSdb — 3ecy

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

CG4584-PA, isoform A (BcDNA.LD08534)

Drosophila melanogaster

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9V3I1_DROME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–160； UniProt 1–160 Author chain B； PDBConstruct 1–160； UniProt 1–160

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	3ecy
Deposition date deposition_date	2008-09-02
Structure title title	Crystal structural analysis of Drosophila melanogaster dUTPase
Keywords keywords	jelly-roll, dimeric assembly, 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.

3ecy__assembly_1__model_1

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

Download this curve (.dat)

3ecy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3ecy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.67 Å
Rg (electron density)	20.80 Å
Total Rg	21.59 Å
Atom count	1770
Residues	238
Excluded volume	31620 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3ecy__assembly_1__model_1`	dimeric （2）	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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3ecya_
Class class	b — All beta proteins
Fold Fold fold	b.85 — beta-clip
Superfamily Superfamily superfamily	b.85.4 — dUTPase-like
Family Family family	b.85.4.0 — automated matches

Domain ID domain_id	d3ecyb_
Class class	b — All beta proteins
Fold Fold fold	b.85 — beta-clip
Superfamily Superfamily superfamily	b.85.4 — dUTPase-like
Family Family family	b.85.4.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3ecyA00
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	40 — Deoxyuridine 5'-Triphosphate Nucleotidohydrolase; Chain A
Homologous superfamily homologous superfamily	10 — Deoxyuridine triphosphatase (dUTPase)

Domain ID domain_id	3ecyB00
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	40 — Deoxyuridine 5'-Triphosphate Nucleotidohydrolase; Chain A
Homologous superfamily homologous superfamily	10 — Deoxyuridine triphosphatase (dUTPase)

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Unit-cell length a length_a	42.799 Å
Unit-cell length b length_b	42.799 Å
Unit-cell length c length_c	169.384 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	8

Space group space_group	P 41
Space-group number int_tables_number	76
Crystal system crystal_system	—

Resolution resolution	1.880 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2015
R_work r_work	0.2005
R_free r_free	0.2222

Description description	CG4584-PA, isoform A (BcDNA.LD08534)
Molecular weight formula_weight	17353.8 kDa
EC 编号 ec_number	3.6.1.23
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	1907

Crystal structural analysis of Drosophila melanogaster dUTPase

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

CG4584-PA, isoform A (BcDNA.LD08534)

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

3ecy__assembly_1__model_1

3ecy__assembly_1__model_1 | I(q)

3ecy__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Drosophila melanogaster
Common name common_name	Fruit fly
NCBI taxonomy ID ncbi_taxonomy_id	7227
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	111

Crystal structural analysis of Drosophila melanogaster dUTPase

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

CG4584-PA, isoform A (BcDNA.LD08534)

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

3ecy__assembly_1__model_1

3ecy__assembly_1__model_1 | I(q)

3ecy__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)