SAXSdb — 1ij2

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

GENERAL CONTROL PROTEIN GCN4

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	CADMIUM ION × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GCN4_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–34； UniProt 249–281 Author chain B； PDBConstruct 2–34； UniProt 249–281 Author chain C； PDBConstruct 2–34； UniProt 249–281

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	1ij2
Deposition date deposition_date	2001-04-24
Structure title title	GCN4-pVTL Coiled-coil Trimer with Threonine at the a(16) position
Keywords keywords	GCN4 coiled coil, TRANSCRIPTION; TRANSCRIPTION
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.

1ij2__assembly_1__model_1

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

Download this curve (.dat)

1ij2__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ij2__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.75 Å
Rg (electron density)	15.08 Å
Total Rg	16.10 Å
Atom count	791
Residues	93
Excluded volume	14440 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ij2__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 (3)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1ij2a_
Class class	h — Coiled coil proteins
Fold Fold fold	h.1 — Parallel coiled-coil
Superfamily Superfamily superfamily	h.1.3 — Leucine zipper domain
Family Family family	h.1.3.1 — Leucine zipper domain

Domain ID domain_id	d1ij2b_
Class class	h — Coiled coil proteins
Fold Fold fold	h.1 — Parallel coiled-coil
Superfamily Superfamily superfamily	h.1.3 — Leucine zipper domain
Family Family family	h.1.3.1 — Leucine zipper domain

Domain ID domain_id	d1ij2c_
Class class	h — Coiled coil proteins
Fold Fold fold	h.1 — Parallel coiled-coil
Superfamily Superfamily superfamily	h.1.3 — Leucine zipper domain
Family Family family	h.1.3.1 — Leucine zipper domain

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Unit-cell length a length_a	35.763 Å
Unit-cell length b length_b	46.332 Å
Unit-cell length c length_c	51.359 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	12

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

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2430
R_work r_work	0.2430
R_free r_free	0.2790

Description description	GENERAL CONTROL PROTEIN GCN4
Molecular weight formula_weight	4018.7 kDa
Mutation mutation	N16T
Source method src_method	syn
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	913

GCN4-pVTL Coiled-coil Trimer with Threonine at the a(16) position

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

GENERAL CONTROL PROTEIN GCN4

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

1ij2__assembly_1__model_1

1ij2__assembly_1__model_1 | I(q)

1ij2__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)

Description description	CADMIUM ION
Molecular weight formula_weight	112.4 kDa
Source method src_method	syn
Copy count entity_count	3

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	113

GCN4-pVTL Coiled-coil Trimer with Threonine at the a(16) position

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

GENERAL CONTROL PROTEIN GCN4

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

1ij2__assembly_1__model_1

1ij2__assembly_1__model_1 | I(q)

1ij2__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)