SAXSdb — 1dh3

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

TRANSCRIPTION FACTOR CREB

Mus musculus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Homooligomer	Protein 2 DNA 2	;DNA (5'-D(CPCPTPTPGPGPCPTPGPAPCPGPTPCPAPGPCPCPAPAP*G)-3') ; × 2 MAGNESIUM ION × 1 water × 4	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CREB1_MOUSE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–55； UniProt 201–255 Author chain C； PDBConstruct 1–55； UniProt 201–255

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	1dh3
Deposition date deposition_date	1999-11-27
Structure title title	CRYSTAL STRUCTURE OF A CREB BZIP-CRE COMPLEX REVEALS THE BASIS FOR CREB FAIMLY SELECTIVE DIMERIZATION AND DNA BINDING
Keywords keywords	PROTEIN-DNA COMPLEX, TRANSCRIPTION-DNA COMPLEX; TRANSCRIPTION/DNA
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.

1dh3__assembly_1__model_1

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

Download this curve (.dat)

1dh3__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1dh3__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.75 Å
Rg (electron density)	25.74 Å
Total Rg	25.96 Å
Atom count	1787
Residues	152
Excluded volume	29182 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1dh3__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 (4)

Entity 1 Entity 1 polymer

Description description	;DNA (5'-D(CPCPTPTPGPGPCPTPGPAPCPGPTPCPAPGPCPCPAPAP*G)-3') ;
Molecular weight formula_weight	6424.1 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	B,D
Atom count atom_count	1804

CCTTGGCTGACGTCAGCCAAG

Entity 2 Entity 2 polymer

Description description	TRANSCRIPTION FACTOR CREB
Molecular weight formula_weight	6686.8 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

KREVRLMKNREAARESRRKKKEYVKSLENRVAVLENQNKTLIEELKALKDLYSHK

Source Source

Source organism organism	Mus musculus
Common name common_name	house mouse
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	17

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1dh3a_
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	d1dh3c_
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

CATH v4.4 (2 domains)

Domain ID domain_id	1dh3A00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	170 —

Domain ID domain_id	1dh3C00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	170 —

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Unit-cell length a length_a	110.610 Å
Unit-cell length b length_b	49.320 Å
Unit-cell length c length_c	79.250 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	122.18 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	0.2180
R_work r_work	0.2230
R_free r_free	0.2800

CRYSTAL STRUCTURE OF A CREB BZIP-CRE COMPLEX REVEALS THE BASIS FOR CREB FAIMLY SELECTIVE DIMERIZATION AND DNA BINDING

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

TRANSCRIPTION FACTOR CREB

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

1dh3__assembly_1__model_1

1dh3__assembly_1__model_1 | I(q)

1dh3__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF A CREB BZIP-CRE COMPLEX REVEALS THE BASIS FOR CREB FAIMLY SELECTIVE DIMERIZATION AND DNA BINDING

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

TRANSCRIPTION FACTOR CREB

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

1dh3__assembly_1__model_1

1dh3__assembly_1__model_1 | I(q)

1dh3__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)