SAXSdb — 9ujy

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

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

Drosophila melanogaster

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1 其他Polymer 1	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MALE_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–359； UniProt 29–387

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

Drosophila melanogaster

UniProt Q9W1K4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1 其他Polymer 1	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9W1K4_DROME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 363–426； UniProt 743–806

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	9ujy
Deposition date deposition_date	2025-04-17
Last revision last_revision	2026-04-29
Structure title title	The structure of Egalitarian in complex with the K10 mRNA localization signal reveals a modular binding surface required for function
Keywords keywords	RNA, localization, Drosophila, Egalitarian, CRISPR, RNA BINDING PROTEIN; RNA 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.

9ujy__assembly_1__model_1

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

Download this curve (.dat)

9ujy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9ujy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.51 Å
Rg (electron density)	22.35 Å
Total Rg	23.40 Å
Atom count	3350
Residues	426
Excluded volume	60023 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9ujy__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Description description	Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B
Molecular weight formula_weight	47188.6 kDa
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	3412

EEGKLVIWINGDKGYNGLAEVGKKFEADTGIKVTVEHPDKLEEKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKLIAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKALKAKGKSALMFNLQEPYFTWPLIAADGGYAFKYENGAYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGETAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFLENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAFWYAVRTAVINAASGRQTVDEALGSAMQIKPNEVKIRKKQRKVSTEVSDLKEKLAQTSKSIVLSNREIRLLRYMDLTEDEKERLKGYYKV

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 branched

Description description	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	57

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Unit-cell length a length_a	53.001 Å
Unit-cell length b length_b	82.311 Å
Unit-cell length c length_c	120.561 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	4

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	orthorhombic

Resolution resolution	2.260 Å
Low-resolution limit resolution_low	48.630 Å
R factor r_factor	0.1933
R_work r_work	0.1926
R_free r_free	0.2059

The structure of Egalitarian in complex with the K10 mRNA localization signal reveals a modular binding surface required for function

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

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

State in the Current Structure

Other States of the Same Protein in the Database

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

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

9ujy__assembly_1__model_1

9ujy__assembly_1__model_1 | I(q)

9ujy__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 branched

Entity 3 Entity 3 water

7. Citations (1)

The structure of Egalitarian in complex with the K10 mRNA localization signal reveals a modular binding surface required for function

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

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B

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

9ujy__assembly_1__model_1

9ujy__assembly_1__model_1 | I(q)

9ujy__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 branched

Entity 3 Entity 3 water

7. Citations (1)