SAXSdb — 3eud

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

Protein SHQ1

Saccharomyces cerevisiae

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
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	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	SHQ1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 15–112； UniProt 1–98 Author chain B； PDBConstruct 15–112； UniProt 1–98 Author chain C； PDBConstruct 15–112； UniProt 1–98 Author chain D； PDBConstruct 15–112； UniProt 1–98 Author chain E； PDBConstruct 15–112； UniProt 1–98 Author chain F； PDBConstruct 15–112； UniProt 1–98

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	3eud
Deposition date deposition_date	2008-10-09
Structure title title	Structure of the CS domain of the essential H/ACA RNP assembly protein Shq1p
Keywords keywords	CS domain HSP20-like domain Shq1 H/ACA snoRNP Ribosome biogenesis, Nucleus, NUCLEAR PROTEIN; NUCLEAR PROTEIN
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.

3eud__assembly_1__model_1

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

Download this curve (.dat)

3eud__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3eud__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	14.99 Å
Rg (electron density)	13.36 Å
Total Rg	14.76 Å
Atom count	825
Residues	97
Excluded volume	14923 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3eud__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3eud__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3eud__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`3eud__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`3eud__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`3eud__assembly_6__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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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	3eudA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	3eudB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	3eudC00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	3eudD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	3eudE00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	3eudF00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

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Unit-cell length a length_a	141.938 Å
Unit-cell length b length_b	146.293 Å
Unit-cell length c length_c	48.511 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	24

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

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	35.416 Å
R factor r_factor	—
R_work r_work	0.2280
R_free r_free	0.2480

Description description	Protein SHQ1
Molecular weight formula_weight	13799.4 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	4951

Structure of the CS domain of the essential H/ACA RNP assembly protein Shq1p

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

Protein SHQ1

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

3eud__assembly_1__model_1

3eud__assembly_1__model_1 | I(q)

3eud__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;Baker's yeast, yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
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	103

Structure of the CS domain of the essential H/ACA RNP assembly protein Shq1p

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

Protein SHQ1

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

3eud__assembly_1__model_1

3eud__assembly_1__model_1 | I(q)

3eud__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)