SAXSdb — 1xhn

▼

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

Cellular Repressor of E1A-stimulated Genes

Homo sapiens

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CREG1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–184； UniProt 49–220 Author chain B； PDBConstruct 13–184； UniProt 49–220 Author chain C； PDBConstruct 13–184； UniProt 49–220 Author chain D； PDBConstruct 13–184； UniProt 49–220

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	1xhn
Deposition date deposition_date	2004-09-20
Structure title title	The crystal structure of Cellular Repressor of E1A-stimulated Genes (CREG)
Keywords keywords	beta-barrel, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

1xhn__assembly_2__model_1

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

Download this curve (.dat)

1xhn__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1xhn__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	20.18 Å
Rg (electron density)	19.08 Å
Total Rg	19.99 Å
Atom count	2690
Residues	335
Excluded volume	48098 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1xhn__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1xhn__assembly_2__model_1`	dimeric （2）	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) 12 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d1xhna1
Class class	b — All beta proteins
Fold Fold fold	b.45 — Split barrel-like
Superfamily Superfamily superfamily	b.45.1 — FMN-binding split barrel
Family Family family	b.45.1.1 — PNP-oxidase like

Domain ID domain_id	d1xhna2
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	d1xhnb2
Class class	b — All beta proteins
Fold Fold fold	b.45 — Split barrel-like
Superfamily Superfamily superfamily	b.45.1 — FMN-binding split barrel
Family Family family	b.45.1.1 — PNP-oxidase like

Domain ID domain_id	d1xhnb3
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	d1xhnc2
Class class	b — All beta proteins
Fold Fold fold	b.45 — Split barrel-like
Superfamily Superfamily superfamily	b.45.1 — FMN-binding split barrel
Family Family family	b.45.1.1 — PNP-oxidase like

Domain ID domain_id	d1xhnc3
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	d1xhnd2
Class class	b — All beta proteins
Fold Fold fold	b.45 — Split barrel-like
Superfamily Superfamily superfamily	b.45.1 — FMN-binding split barrel
Family Family family	b.45.1.1 — PNP-oxidase like

Domain ID domain_id	d1xhnd3
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

CATH v4.4 (4 domains)

Domain ID domain_id	1xhnA01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	110 — Pnp Oxidase; Chain A
Homologous superfamily homologous superfamily	10 — Electron Transport, Fmn-binding Protein; Chain A

Domain ID domain_id	1xhnB01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	110 — Pnp Oxidase; Chain A
Homologous superfamily homologous superfamily	10 — Electron Transport, Fmn-binding Protein; Chain A

Domain ID domain_id	1xhnC01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	110 — Pnp Oxidase; Chain A
Homologous superfamily homologous superfamily	10 — Electron Transport, Fmn-binding Protein; Chain A

Domain ID domain_id	1xhnD01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	110 — Pnp Oxidase; Chain A
Homologous superfamily homologous superfamily	10 — Electron Transport, Fmn-binding Protein; Chain A

▶

Unit-cell length a length_a	106.130 Å
Unit-cell length b length_b	121.260 Å
Unit-cell length c length_c	55.920 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	16

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	19.960 Å
R factor r_factor	0.1630
R_work r_work	0.1619
R_free r_free	0.2131

Description description	Cellular Repressor of E1A-stimulated Genes
Molecular weight formula_weight	20756.7 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	6402

The crystal structure of Cellular Repressor of E1A-stimulated Genes (CREG)

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

Cellular Repressor of E1A-stimulated Genes

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

1xhn__assembly_2__model_1

1xhn__assembly_2__model_1 | I(q)

1xhn__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) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 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	892

The crystal structure of Cellular Repressor of E1A-stimulated Genes (CREG)

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

Cellular Repressor of E1A-stimulated Genes

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

1xhn__assembly_2__model_1

1xhn__assembly_2__model_1 | I(q)

1xhn__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) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 domains)

7. Citations (1)