SAXSdb — 1sh8

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

hypothetical protein PA5026

Pseudomonas aeruginosa

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9HUE3_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–152； UniProt 1–150 Author chain B； PDBConstruct 3–152； UniProt 1–150

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	1sh8
Deposition date deposition_date	2004-02-25
Structure title title	1.5 A Crystal Structure of a Protein of Unknown Function PA5026 from Pseudomonas aeruginosa, Probable Thioesterase
Keywords keywords	;Structural Genomics, Pseudomonas aeruginosa, PSI, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

1sh8__assembly_1__model_1

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

Download this curve (.dat)

1sh8__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1sh8__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.48 Å
Rg (electron density)	20.18 Å
Total Rg	21.04 Å
Atom count	2374
Residues	302
Excluded volume	42017 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1sh8__assembly_1__model_1`	dimeric （2）	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) 7 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d1sh8a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.38 — Thioesterase/thiol ester dehydrase-isomerase
Superfamily Superfamily superfamily	d.38.1 — Thioesterase/thiol ester dehydrase-isomerase
Family Family family	d.38.1.5 — PaaI/YdiI-like

Domain ID domain_id	d1sh8a2
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	d1sh8a3
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	d1sh8b1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.38 — Thioesterase/thiol ester dehydrase-isomerase
Superfamily Superfamily superfamily	d.38.1 — Thioesterase/thiol ester dehydrase-isomerase
Family Family family	d.38.1.5 — PaaI/YdiI-like

Domain ID domain_id	d1sh8b2
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 (2 domains)

Domain ID domain_id	1sh8A00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	129 — Thiol Ester Dehydrase; Chain A
Homologous superfamily homologous superfamily	10 — Hotdog Thioesterase

Domain ID domain_id	1sh8B00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	129 — Thiol Ester Dehydrase; Chain A
Homologous superfamily homologous superfamily	10 — Hotdog Thioesterase

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Unit-cell length a length_a	56.608 Å
Unit-cell length b length_b	72.231 Å
Unit-cell length c length_c	91.051 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	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	23.240 Å
R factor r_factor	0.1970
R_work r_work	0.1970
R_free r_free	0.2170

Description description	hypothetical protein PA5026
Molecular weight formula_weight	17148.5 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	2706

1.5 A Crystal Structure of a Protein of Unknown Function PA5026 from Pseudomonas aeruginosa, Probable Thioesterase

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

hypothetical protein PA5026

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

1sh8__assembly_1__model_1

1sh8__assembly_1__model_1 | I(q)

1sh8__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) 7 domains

SCOP 2.08 (5 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	287
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	332

1.5 A Crystal Structure of a Protein of Unknown Function PA5026 from Pseudomonas aeruginosa, Probable Thioesterase

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

hypothetical protein PA5026

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

1sh8__assembly_1__model_1

1sh8__assembly_1__model_1 | I(q)

1sh8__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) 7 domains

SCOP 2.08 (5 domains)

CATH v4.4 (2 domains)

7. Citations (1)