SAXSdb — 2ihs

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

CG2944-PF, isoform F

Drosophila melanogaster

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	20-mer from ATP-dependent RNA helicase vasa × 1 （P09052） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	20-mer from ATP-dependent RNA helicase vasa × 1 （P09052） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7KRQ1_DROME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–209； UniProt 29–234 Author chain B； PDBConstruct 4–209； UniProt 29–234

20-mer from ATP-dependent RNA helicase vasa

Drosophila melanogaster

UniProt P09052

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	CG2944-PF, isoform F × 1 （Q7KRQ1） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	CG2944-PF, isoform F × 1 （Q7KRQ1） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VASA_DROME
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–20； UniProt 184–203 Author chain D； PDBConstruct 1–20； UniProt 184–203

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	2ihs
Deposition date deposition_date	2006-09-27
Structure title title	Crystal structure of the B30.2/SPRY domain of GUSTAVUS in complex with a 20-residue VASA peptide
Keywords keywords	B30.2/SPRY, GUSTAVUS, VASA, SPRY-containing SOCS box, F-box-SPRY, TRIM family, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
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.

2ihs__assembly_1__model_1

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

Download this curve (.dat)

2ihs__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2ihs__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.89 Å
Rg (electron density)	16.84 Å
Total Rg	17.95 Å
Atom count	1737
Residues	218
Excluded volume	30875 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2ihs__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2ihs__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Description description	CG2944-PF, isoform F
Molecular weight formula_weight	24180.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3600

GHMRELQADFVKPARIDILLDMPPASRDLQLKHSWNSEDRSLNIFVKEDDKLTFHRHPVAQSTDCIRGKVGLTKGLHIWEIYWPTRQRGTHAVVGVCTADAPLHSVGYQSLVGSTEQSWGWDLGRNKLYHDSKNCAGVTYPAILKNDEAFLVPDKFLVALDMDEGTLSFIVDQQYLGIAFRGLRGKKLYPIVSAVWGHCEITMRYIGGLVDELN

Source Source

Source organism organism	Drosophila melanogaster
Common name common_name	fruit fly
NCBI taxonomy ID ncbi_taxonomy_id	7227
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	20-mer from ATP-dependent RNA helicase vasa
Molecular weight formula_weight	2497.7 kDa
EC 编号 ec_number	3.6.1.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D

DINNNNNIVEDVERKREFYI

Source Source

Source organism organism	Drosophila melanogaster
Common name common_name	fruit fly
NCBI taxonomy ID ncbi_taxonomy_id	7227
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	142

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d2ihsa1
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.22 — SPRY domain

Domain ID domain_id	d2ihsa2
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	d2ihsb_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.22 — SPRY domain

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Unit-cell length a length_a	80.209 Å
Unit-cell length b length_b	80.209 Å
Unit-cell length c length_c	159.798 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	16

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2190
R_free r_free	0.2600

Crystal structure of the B30.2/SPRY domain of GUSTAVUS in complex with a 20-residue VASA peptide

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

CG2944-PF, isoform F

State in the Current Structure

Other States of the Same Protein in the Database

20-mer from ATP-dependent RNA helicase vasa

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

2ihs__assembly_1__model_1

2ihs__assembly_1__model_1 | I(q)

2ihs__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)

Crystal structure of the B30.2/SPRY domain of GUSTAVUS in complex with a 20-residue VASA peptide

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

CG2944-PF, isoform F

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20-mer from ATP-dependent RNA helicase vasa

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

2ihs__assembly_1__model_1

2ihs__assembly_1__model_1 | I(q)

2ihs__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)