SAXSdb — 1l8r

▼

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

Dachshund

Homo sapiens

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	DACH1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–101； UniProt 184–282 Author chain B； PDBConstruct 3–101； UniProt 184–282

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1l8r
Deposition date deposition_date	2002-03-21
Structure title title	Structure of the Retinal Determination Protein Dachshund Reveals a DNA-Binding Motif
Keywords keywords	winged-helix, TRANSCRIPTION; TRANSCRIPTION
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1l8r__assembly_1__model_1

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

Download this curve (.dat)

1l8r__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1l8r__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	14.50 Å
Rg (electron density)	12.93 Å
Total Rg	14.15 Å
Atom count	775
Residues	100
Excluded volume	13958 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1l8r__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1l8r__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1l8ra1
Class class	a — All alpha proteins
Fold Fold fold	a.6 — Putative DNA-binding domain
Superfamily Superfamily superfamily	a.6.1 — Putative DNA-binding domain
Family Family family	a.6.1.4 — Dachshund-homology domain

Domain ID domain_id	d1l8ra2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d1l8rb_
Class class	a — All alpha proteins
Fold Fold fold	a.6 — Putative DNA-binding domain
Superfamily Superfamily superfamily	a.6.1 — Putative DNA-binding domain
Family Family family	a.6.1.4 — Dachshund-homology domain

CATH v4.4 (2 domains)

Domain ID domain_id	1l8rA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	260 — Mlu1-box Binding Protein; DNA-binding Domain
Homologous superfamily homologous superfamily	20 — Ski

Domain ID domain_id	1l8rB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	260 — Mlu1-box Binding Protein; DNA-binding Domain
Homologous superfamily homologous superfamily	20 — Ski

▶

Unit-cell length a length_a	28.797 Å
Unit-cell length b length_b	47.731 Å
Unit-cell length c length_c	50.436 Å
Unit-cell angle α angle_alpha	60.75 °
Unit-cell angle β angle_beta	86.86 °
Unit-cell angle γ angle_gamma	84.55 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	1.650 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2370
R_work r_work	0.2370
R_free r_free	0.2590

Description description	Dachshund
Molecular weight formula_weight	11285.0 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	1692

Structure of the Retinal Determination Protein Dachshund Reveals a DNA-Binding Motif

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

Dachshund

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

1l8r__assembly_1__model_1

1l8r__assembly_1__model_1 | I(q)

1l8r__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

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
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	153

Structure of the Retinal Determination Protein Dachshund Reveals a DNA-Binding Motif

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

Dachshund

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

1l8r__assembly_1__model_1

1l8r__assembly_1__model_1 | I(q)

1l8r__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

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)