SAXSdb — 1fba

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

FRUCTOSE 1,6-BISPHOSPHATE ALDOLASE

Drosophila melanogaster

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ALF_DROME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–361； UniProt 1–360 Author chain B； PDBConstruct 2–361； UniProt 1–360 Author chain C； PDBConstruct 2–361； UniProt 1–360 Author chain D； PDBConstruct 2–361； UniProt 1–360

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	1fba
Deposition date deposition_date	1992-06-08
Structure title title	THE CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATE ALDOLASE FROM DROSOPHILA MELANOGASTER AT 2.5 ANGSTROMS RESOLUTION
Keywords keywords	LYASE(ALDEHYDE); LYASE(ALDEHYDE)
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.

1fba__assembly_1__model_1

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

Download this curve (.dat)

1fba__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1fba__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.44 Å
Rg (electron density)	34.55 Å
Total Rg	35.09 Å
Atom count	10980
Residues	1440
Excluded volume	195510 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1fba__assembly_1__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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1fbaa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.1 — Class I aldolase

Domain ID domain_id	d1fbab_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.1 — Class I aldolase

Domain ID domain_id	d1fbac_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.1 — Class I aldolase

Domain ID domain_id	d1fbad_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.1 — Class I aldolase

CATH v4.4 (4 domains)

Domain ID domain_id	1fbaA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1fbaB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1fbaC00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1fbaD00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

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Unit-cell length a length_a	86.600 Å
Unit-cell length b length_b	116.800 Å
Unit-cell length c length_c	151.580 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 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1790
R_work r_work	—
R_free r_free	—

Description description	FRUCTOSE 1,6-BISPHOSPHATE ALDOLASE
Molecular weight formula_weight	38989.2 kDa
EC 编号 ec_number	4.1.2.13
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	12796

THE CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATE ALDOLASE FROM DROSOPHILA MELANOGASTER AT 2.5 ANGSTROMS RESOLUTION

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

FRUCTOSE 1,6-BISPHOSPHATE 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

1fba__assembly_1__model_1

1fba__assembly_1__model_1 | I(q)

1fba__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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 (2)

Source organism organism	Drosophila melanogaster
Common name common_name	fruit fly
NCBI taxonomy ID ncbi_taxonomy_id	7227

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1816

THE CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATE ALDOLASE FROM DROSOPHILA MELANOGASTER AT 2.5 ANGSTROMS RESOLUTION

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

FRUCTOSE 1,6-BISPHOSPHATE 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

1fba__assembly_1__model_1

1fba__assembly_1__model_1 | I(q)

1fba__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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 (2)