SAXSdb — 1pvt

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

sugar-phosphate aldolase

Thermotoga maritima

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 homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9X0G1_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–238； UniProt 1–236

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	1pvt
Deposition date deposition_date	2003-06-28
Structure title title	Crystal structure of sugar-phosphate aldolase from Thermotoga maritima
Keywords keywords	;Structural genomics, sugar-phosphate aldolase, PSI, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, LYASE ;; LYASE
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.

1pvt__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1pvt__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1pvt__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	30.01 Å
Rg (electron density)	28.95 Å
Total Rg	29.72 Å
Atom count	7392
Residues	896
Excluded volume	133220 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1pvt__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1pvt__assembly_2__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1pvta_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.74 — AraD/HMP-PK domain-like
Superfamily Superfamily superfamily	c.74.1 — AraD/HMP-PK domain-like
Family Family family	c.74.1.1 — AraD-like aldolase/epimerase

CATH v4.4 (1 domains)

Domain ID domain_id	1pvtA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	225 — L-fuculose-1-phosphate Aldolase
Homologous superfamily homologous superfamily	10 — Class II aldolase/adducin N-terminal domain

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Unit-cell length a length_a	108.510 Å
Unit-cell length b length_b	108.510 Å
Unit-cell length c length_c	53.996 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 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	48.340 Å
R factor r_factor	0.2570
R_work r_work	0.2570
R_free r_free	0.2960

Description description	sugar-phosphate aldolase
Molecular weight formula_weight	27360.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1871

Crystal structure of sugar-phosphate aldolase from Thermotoga maritima

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

sugar-phosphate aldolase

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

1pvt__assembly_2__model_1

1pvt__assembly_2__model_1 | I(q)

1pvt__assembly_2__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	2336
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	23

Crystal structure of sugar-phosphate aldolase from Thermotoga maritima

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

sugar-phosphate aldolase

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

1pvt__assembly_2__model_1

1pvt__assembly_2__model_1 | I(q)

1pvt__assembly_2__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)