SAXSdb — 7lru

▼

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

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	SFPQ_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 4–180； UniProt 276–452 Author chain B； PDBConstruct 233–263； UniProt 505–535

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

Homo sapiens

UniProt Q15233

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	NONO_HUMAN
Isoform	Q15233-2
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 181–232； UniProt 141–192

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	7lru
Deposition date deposition_date	2021-02-17
Structure title title	Crystal structure of SFPQ-NONO-SFPQ chimeric protein homodimer
Keywords keywords	DBHS Protein, Nuclear Protein, Nucleic Acid Binding, Paraspeckle Formation, RNA BINDING PROTEIN; RNA BINDING PROTEIN
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.

7lru__assembly_1__model_1

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

Download this curve (.dat)

7lru__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7lru__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.98 Å
Rg (electron density)	26.02 Å
Total Rg	26.75 Å
Atom count	4098
Residues	510
Excluded volume	72677 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7lru__assembly_1__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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	7lruB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	330 — RRM (RNA recognition motif) domain

Domain ID domain_id	7lruB02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	330 — RRM (RNA recognition motif) domain

▶

Unit-cell length a length_a	73.665 Å
Unit-cell length b length_b	107.162 Å
Unit-cell length c length_c	68.305 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	8

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	32.420 Å
R factor r_factor	0.2204
R_work r_work	0.2184
R_free r_free	0.2563

Description description	;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;
Molecular weight formula_weight	30084.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	2286

Crystal structure of SFPQ-NONO-SFPQ chimeric protein homodimer

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

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

State in the Current Structure

Other States of the Same Protein in the Database

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

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

7lru__assembly_1__model_1

7lru__assembly_1__model_1 | I(q)

7lru__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) 2 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 BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	213

Crystal structure of SFPQ-NONO-SFPQ chimeric protein homodimer

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

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;Splicing factor, proline- and glutamine-rich,Isoform 2 of Non-POU domain-containing octamer-binding protein,Isoform Short of Splicing factor, proline- and glutamine-rich ;

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

7lru__assembly_1__model_1

7lru__assembly_1__model_1 | I(q)

7lru__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) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)