SAXSdb — 2idr

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

Eukaryotic translation initiation factor 4E-1

Triticum aestivum

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF4E1_WHEAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–177； UniProt 39–215 Author chain B； PDBConstruct 1–177； UniProt 39–215

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	2idr
Deposition date deposition_date	2006-09-15
Structure title title	Crystal structure of translation initiation factor EIF4E from wheat
Keywords keywords	EUKARYOTIC INITIATION FACTOR 4E, EIF4E, TRANSLATION REGULATOR; TRANSLATION REGULATOR
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.

2idr__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2idr__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2idr__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	17.24 Å
Rg (electron density)	15.96 Å
Total Rg	17.08 Å
Atom count	1408
Residues	177
Excluded volume	24738 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2idr__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2idr__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2idra_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.86 — eIF4e-like
Superfamily Superfamily superfamily	d.86.1 — eIF4e-like
Family Family family	d.86.1.0 — automated matches

Domain ID domain_id	d2idrb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.86 — eIF4e-like
Superfamily Superfamily superfamily	d.86.1 — eIF4e-like
Family Family family	d.86.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	2idrA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	760 — RNA Cap, Translation Initiation Factor Eif4e
Homologous superfamily homologous superfamily	10 — RNA Cap, Translation Initiation Factor Eif4e

Domain ID domain_id	2idrB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	760 — RNA Cap, Translation Initiation Factor Eif4e
Homologous superfamily homologous superfamily	10 — RNA Cap, Translation Initiation Factor Eif4e

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Unit-cell length a length_a	66.337 Å
Unit-cell length b length_b	66.337 Å
Unit-cell length c length_c	180.853 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	1.850 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2110
R_free r_free	0.2340

Description description	Eukaryotic translation initiation factor 4E-1
Molecular weight formula_weight	20241.7 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	3130

Crystal structure of translation initiation factor EIF4E from wheat

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

Eukaryotic translation initiation factor 4E-1

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

2idr__assembly_2__model_1

2idr__assembly_2__model_1 | I(q)

2idr__assembly_2__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	Triticum aestivum
Common name common_name	bread wheat
NCBI taxonomy ID ncbi_taxonomy_id	4565
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	322

Crystal structure of translation initiation factor EIF4E from wheat

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

Eukaryotic translation initiation factor 4E-1

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

2idr__assembly_2__model_1

2idr__assembly_2__model_1 | I(q)

2idr__assembly_2__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)