SAXSdb — 1duc

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

;DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE ;

Equine infectious anemia virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	STRONTIUM ION × 3 DEOXYURIDINE-5'-DIPHOSPHATE × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POL_EIAV9
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–134； UniProt 742–875

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	1duc
Deposition date deposition_date	1997-11-29
Structure title title	EIAV DUTPASE DUDP/STRONTIUM COMPLEX
Keywords keywords	HYDROLASE, DUTPASE, EIAV, TRIMERIC ENZYME, INHIBITOR COMPLEX, ASPARTYL PROTEASE; 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.

1duc__assembly_1__model_1

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

Download this curve (.dat)

1duc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1duc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.86 Å
Rg (electron density)	19.61 Å
Total Rg	20.50 Å
Atom count	2832
Residues	354
Excluded volume	50558 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1duc__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 (4)

Entity 1 Entity 1 polymer

Description description	;DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE ;
Molecular weight formula_weight	14784.8 kDa
EC 编号 ec_number	3.6.1.23
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	1043

MLAYQGTQIKEKRDEDAGFDLCVPYDIMIPVSDTKIIPTDVKIQVPPNSFGWVTGKSSMAKQGLLINGGIIDEGYTGEIQVICTNIGKSNIKLIEGQKFAQLIILQHHSNSRQPWDENKISQRGDKGFGSTGVF

Source Source

Source organism organism	Equine infectious anemia virus
NCBI taxonomy ID ncbi_taxonomy_id	11665
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	STRONTIUM ION
Molecular weight formula_weight	87.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	DEOXYURIDINE-5'-DIPHOSPHATE
Molecular weight formula_weight	388.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	80

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1duca_
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.85.4.1 — dUTPase-like

CATH v4.4 (1 domains)

Domain ID domain_id	1ducA00
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	106.700 Å
Unit-cell length b length_b	106.700 Å
Unit-cell length c length_c	106.700 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	24

Space group space_group	P 41 3 2
Space-group number int_tables_number	213
Crystal system crystal_system	—

Resolution resolution	2.050 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1680
R_work r_work	0.1670
R_free r_free	0.2010

EIAV DUTPASE DUDP/STRONTIUM COMPLEX

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

;DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE ;

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

1duc__assembly_1__model_1

1duc__assembly_1__model_1 | I(q)

1duc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

EIAV DUTPASE DUDP/STRONTIUM COMPLEX

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

;DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE ;

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

1duc__assembly_1__model_1

1duc__assembly_1__model_1 | I(q)

1duc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)