SAXSdb — 2vzn

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

VENOM ALLERGEN 3

SOLENOPSIS INVICTA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VA3_SOLIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–212； UniProt 23–234 Author chain B； PDBConstruct 1–212； UniProt 23–234

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	2vzn
Deposition date deposition_date	2008-08-05
Structure title title	Crystal structure of the major allergen from fire ant venom, Sol i 3
Keywords keywords	MAJOR FIRE ANT ALLERGEN, SOL I 3, SECRETED, ALLERGEN, CROSS-REACTIVITY; ALLERGEN
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.

2vzn__assembly_1__model_1

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

Download this curve (.dat)

2vzn__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2vzn__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.07 Å
Rg (electron density)	18.01 Å
Total Rg	18.83 Å
Atom count	1676
Residues	216
Excluded volume	29232 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2vzn__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2vzn__assembly_2__model_1`	monomeric （1）	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 (1)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2vzna1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.111 — PR-1-like
Superfamily Superfamily superfamily	d.111.1 — PR-1-like
Family Family family	d.111.1.0 — automated matches

Domain ID domain_id	d2vzna2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2vznb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.111 — PR-1-like
Superfamily Superfamily superfamily	d.111.1 — PR-1-like
Family Family family	d.111.1.0 — automated matches

Domain ID domain_id	d2vznb2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	2vznA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	33 — Pathogenesis-related Protein p14a
Homologous superfamily homologous superfamily	10 — CAP

Domain ID domain_id	2vznB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	33 — Pathogenesis-related Protein p14a
Homologous superfamily homologous superfamily	10 — CAP

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Unit-cell length a length_a	93.355 Å
Unit-cell length b length_b	93.355 Å
Unit-cell length c length_c	144.051 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	12

Space group space_group	P 61
Space-group number int_tables_number	169
Crystal system crystal_system	—

Resolution resolution	3.050 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2030
R_work r_work	0.2010
R_free r_free	0.2390

Description description	VENOM ALLERGEN 3
Molecular weight formula_weight	24827.1 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	3219

Crystal structure of the major allergen from fire ant venom, Sol i 3

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

VENOM ALLERGEN 3

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

2vzn__assembly_1__model_1

2vzn__assembly_1__model_1 | I(q)

2vzn__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	SOLENOPSIS INVICTA
Common name common_name	RED FIRE ANT
NCBI taxonomy ID ncbi_taxonomy_id	13686
Host organism host_organism	SPODOPTERA FRUGIPERDA

Crystal structure of the major allergen from fire ant venom, Sol i 3

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

VENOM ALLERGEN 3

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

2vzn__assembly_1__model_1

2vzn__assembly_1__model_1 | I(q)

2vzn__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)