SAXSdb — 1u69

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

hypothetical protein

Pseudomonas aeruginosa

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
3	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	Q9I0C1_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–161； UniProt 1–159 Author chain B； PDBConstruct 3–161； UniProt 1–159 Author chain C； PDBConstruct 3–161； UniProt 1–159 Author chain D； PDBConstruct 3–161； UniProt 1–159

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	1u69
Deposition date deposition_date	2004-07-29
Structure title title	Crystal Structure of PA2721 Protein of Unknown Function from Pseudomonas aeruginosa PAO1
Keywords keywords	;structural genomics, MSCG, Pseudomonas aeruginosa PAO1, hypothetical protein, protein structure initiative (PSI), 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.

1u69__assembly_1__model_1

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

Download this curve (.dat)

1u69__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1u69__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.21 Å
Rg (electron density)	25.02 Å
Total Rg	25.89 Å
Atom count	4670
Residues	591
Excluded volume	82478 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1u69__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1u69__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1u69__assembly_3__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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1u69a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.32 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Superfamily Superfamily superfamily	d.32.1 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Family Family family	d.32.1.7 — 3-demethylubiquinone-9 3-methyltransferase

Domain ID domain_id	d1u69b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.32 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Superfamily Superfamily superfamily	d.32.1 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Family Family family	d.32.1.7 — 3-demethylubiquinone-9 3-methyltransferase

Domain ID domain_id	d1u69c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.32 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Superfamily Superfamily superfamily	d.32.1 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Family Family family	d.32.1.7 — 3-demethylubiquinone-9 3-methyltransferase

Domain ID domain_id	d1u69d_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.32 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Superfamily Superfamily superfamily	d.32.1 — Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
Family Family family	d.32.1.7 — 3-demethylubiquinone-9 3-methyltransferase

CATH v4.4 (4 domains)

Domain ID domain_id	1u69A00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	180 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase; domain 1
Homologous superfamily homologous superfamily	10 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1

Domain ID domain_id	1u69B00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	180 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase; domain 1
Homologous superfamily homologous superfamily	10 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1

Domain ID domain_id	1u69C00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	180 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase; domain 1
Homologous superfamily homologous superfamily	10 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1

Domain ID domain_id	1u69D00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	180 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase; domain 1
Homologous superfamily homologous superfamily	10 — 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1

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Unit-cell length a length_a	44.546 Å
Unit-cell length b length_b	55.017 Å
Unit-cell length c length_c	67.069 Å
Unit-cell angle α angle_alpha	70.71 °
Unit-cell angle β angle_beta	89.88 °
Unit-cell angle γ angle_gamma	85.61 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	63.250 Å
R factor r_factor	0.1730
R_work r_work	0.1720
R_free r_free	0.1930

Description description	hypothetical protein
Molecular weight formula_weight	17947.3 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	5214

Crystal Structure of PA2721 Protein of Unknown Function from Pseudomonas aeruginosa PAO1

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

hypothetical protein

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

1u69__assembly_1__model_1

1u69__assembly_1__model_1 | I(q)

1u69__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	208964
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	544

Crystal Structure of PA2721 Protein of Unknown Function from Pseudomonas aeruginosa PAO1

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

hypothetical protein

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

1u69__assembly_1__model_1

1u69__assembly_1__model_1 | I(q)

1u69__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)