SAXSdb — 2cce

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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 4	water × 4	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

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	2cce
Deposition date deposition_date	2006-01-16
Structure title title	Parallel Configuration of pLI E20S
Keywords keywords	;FOUR HELIX BUNDLE, ANTIPARALLEL, PARALLEL, PLI, DNA-BINDING, NUCLEAR PROTEIN, TRANSCRIPTION, TRANSCRIPTION REGULATION, ACTIVATOR, AMINO-ACID BIOSYNTHESIS ;; FOUR HELIX BUNDLE
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.

2cce__assembly_1__model_1

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

Download this curve (.dat)

2cce__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2cce__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	16.43 Å
Rg (electron density)	15.21 Å
Total Rg	17.19 Å
Atom count	926
Residues	120
Excluded volume	17249 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2cce__assembly_1__model_1`	tetrameric （4）	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) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2ccea1
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	d2cceb_
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	79.992 Å
Unit-cell length b length_b	79.992 Å
Unit-cell length c length_c	79.992 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	48

Space group space_group	P 41 3 2
Space-group number int_tables_number	213
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	56.520 Å
R factor r_factor	0.2840
R_work r_work	0.2820
R_free r_free	0.3190

Description description	General control protein GCN4
Molecular weight formula_weight	4030.8 kDa
Mutation mutation	YES
Source method src_method	syn
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	483

Parallel Configuration of pLI E20S

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

2cce__assembly_1__model_1

2cce__assembly_1__model_1 | I(q)

2cce__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	18

Parallel Configuration of pLI E20S

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

2cce__assembly_1__model_1

2cce__assembly_1__model_1 | I(q)

2cce__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)