SAXSdb — 9hx8

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

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	SMT3_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–98； UniProt 13–98

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

Homo sapiens

UniProt Q13247

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	SRSF6_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 99–201； UniProt 86–188

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	9hx8
Deposition date deposition_date	2025-01-07
Last revision last_revision	2026-01-14
Structure title title	Apo structure of SRSF6 RRM2 W123A
Keywords keywords	RRM, splicing factor, RNA-binding protein, SRSF6, SPLICING; SPLICING
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.

9hx8__assembly_1__model_1

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

Download this curve (.dat)

9hx8__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9hx8__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	13.37 Å
Rg (electron density)	11.84 Å
Total Rg	13.21 Å
Atom count	652
Residues	80
Excluded volume	11412 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9hx8__assembly_1__model_1`	monomeric （1）	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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Unit-cell length a length_a	66.070 Å
Unit-cell length b length_b	66.070 Å
Unit-cell length c length_c	46.322 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	36.000 Å
R factor r_factor	0.2484
R_work r_work	0.2479
R_free r_free	0.2589

Description description	Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6
Molecular weight formula_weight	23010.7 kDa
Mutation mutation	W123A
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	654

Apo structure of SRSF6 RRM2 W123A

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

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

State in the Current Structure

Other States of the Same Protein in the Database

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

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

9hx8__assembly_1__model_1

9hx8__assembly_1__model_1 | I(q)

9hx8__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

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	2

Apo structure of SRSF6 RRM2 W123A

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

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ubiquitin-like protein SMT3,Serine/arginine-rich splicing factor 6

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

9hx8__assembly_1__model_1

9hx8__assembly_1__model_1 | I(q)

9hx8__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

7. Citations (1)