SAXSdb — 1sq4

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

Glyoxylate-induced 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 8	THIOCYANATE ION × 16 water × 8	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	THIOCYANATE ION × 8 water × 4	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 4	THIOCYANATE ION × 8 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9I4J5_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–278； UniProt 1–278 Author chain B； PDBConstruct 1–278； UniProt 1–278

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	1sq4
Deposition date deposition_date	2004-03-17
Structure title title	Crystal Structure of the Putative Glyoxylate Induced Protein from Pseudomonas aeruginosa, Northeast Structural Genomics Target PaR14
Keywords keywords	;Structural Genomics, double beta barrel protein, PSI, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, 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.

1sq4__assembly_1__model_1

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

Download this curve (.dat)

1sq4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1sq4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.05 Å
Rg (electron density)	38.05 Å
Total Rg	38.38 Å
Atom count	17292
Residues	2052
Excluded volume	306630 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1sq4__assembly_1__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1sq4__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1sq4__assembly_3__model_1`	tetrameric （4）	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 (3)

Entity 1 Entity 1 polymer

Description description	Glyoxylate-induced Protein
Molecular weight formula_weight	32260.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4412

MSKSSYYAPHGGHPAQTELLTDRAMFTEAYAVIPKGVMRDIVTSHLPFWDNMRMWVIARPLSGFAETFSQYIVELAPNGGSDKPEQDPNAEAVLFVVEGELSLTLQGQVHAMQPGGYAFIPPGADYKVRNTTGQHTRFHWIRKHYQKVDGVPLPEAFVTNEQDIQPLVMPDTEGRWSTTRFVDMSDMRHDMHVNIVNFEPGGVIPFAETHVMEHGLYVLEGKAVYRLNQDWVEVEAGDFMWLRAFCPQACYSGGPGRFRYLLYKDVNRHMRLTLNAPH

Source Source

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	287
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	THIOCYANATE ION
Molecular weight formula_weight	58.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	89

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1sq4a_
Class class	b — All beta proteins
Fold Fold fold	b.82 — Double-stranded beta-helix
Superfamily Superfamily superfamily	b.82.1 — RmlC-like cupins
Family Family family	b.82.1.11 — YlbA-like

Domain ID domain_id	d1sq4b_
Class class	b — All beta proteins
Fold Fold fold	b.82 — Double-stranded beta-helix
Superfamily Superfamily superfamily	b.82.1 — RmlC-like cupins
Family Family family	b.82.1.11 — YlbA-like

CATH v4.4 (4 domains)

Domain ID domain_id	1sq4A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

Domain ID domain_id	1sq4A02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

Domain ID domain_id	1sq4B01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

Domain ID domain_id	1sq4B02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

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Unit-cell length a length_a	106.860 Å
Unit-cell length b length_b	106.860 Å
Unit-cell length c length_c	107.446 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	16

Space group space_group	P 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	29.750 Å
R factor r_factor	0.2620
R_work r_work	0.2130
R_free r_free	0.2620

Crystal Structure of the Putative Glyoxylate Induced Protein from Pseudomonas aeruginosa, Northeast Structural Genomics Target PaR14

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

Glyoxylate-induced 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

1sq4__assembly_1__model_1

1sq4__assembly_1__model_1 | I(q)

1sq4__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal Structure of the Putative Glyoxylate Induced Protein from Pseudomonas aeruginosa, Northeast Structural Genomics Target PaR14

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

Glyoxylate-induced 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

1sq4__assembly_1__model_1

1sq4__assembly_1__model_1 | I(q)

1sq4__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)