SAXSdb — 1fbp

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

FRUCTOSE 1,6-BISPHOSPHATASE

Sus scrofa

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	6-O-phosphono-beta-D-fructofuranose × 4 MAGNESIUM ION × 4 ADENOSINE MONOPHOSPHATE × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	F16P_PIG
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–335； UniProt 1–335 Author chain B； PDBConstruct 1–335； UniProt 1–335

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	1fbp
Deposition date deposition_date	1990-05-31
Structure title title	CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATASE COMPLEXED WITH FRUCTOSE 6-PHOSPHATE, AMP, AND MAGNESIUM
Keywords keywords	HYDROLASE (PHOSPHORIC MONOESTER); HYDROLASE (PHOSPHORIC MONOESTER)
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.

1fbp__assembly_1__model_1

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

Download this curve (.dat)

1fbp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1fbp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.53 Å
Rg (electron density)	33.80 Å
Total Rg	34.20 Å
Atom count	12032
Residues	1268
Excluded volume	177540 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1fbp__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 (4)

Entity 1 Entity 1 polymer

Description description	FRUCTOSE 1,6-BISPHOSPHATASE
Molecular weight formula_weight	36503.0 kDa
EC 编号 ec_number	3.1.3.11
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	6016

TDQAAFDTNIVTLTRFVMEQGRKARGTGEMTQLLNSLCTAVKAISTAVRKAGIAHLYGIAGSTNVTGDQVKKLDVLSNDLVINVLKSSFATCVLVTEEDKNAIIVEPEKRGKYVVCFDPLDGSSNIDCLVSIGTIFGIYRKNSTDEPSEKDALQPGRNLVAAGYALYGSATMLVLAMVNGVNCFMLDPAIGEFILVDRNVKIKKKGSIYSINEGYAKEFDPAITEYIQRKKFPPDNSAPYGARYVGSMVADVHRTLVYGGIFMYPANKKSPKGKLRLLYECNPMAYVMEKAGGLATTGKEAVLDIVPTDIHQRAPIILGSPEDVTELLEIYQKHA

Source Source

Source organism organism	Sus scrofa
Common name common_name	pig
NCBI taxonomy ID ncbi_taxonomy_id	9823

Entity 2 Entity 2 non-polymer

Description description	6-O-phosphono-beta-D-fructofuranose
Molecular weight formula_weight	260.1 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	ADENOSINE MONOPHOSPHATE
Molecular weight formula_weight	347.2 kDa
Source method src_method	syn
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1fbpa_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.7 — Carbohydrate phosphatase
Superfamily Superfamily superfamily	e.7.1 — Carbohydrate phosphatase
Family Family family	e.7.1.1 — Inositol monophosphatase/fructose-1,6-bisphosphatase-like

Domain ID domain_id	d1fbpb_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.7 — Carbohydrate phosphatase
Superfamily Superfamily superfamily	e.7.1 — Carbohydrate phosphatase
Family Family family	e.7.1.1 — Inositol monophosphatase/fructose-1,6-bisphosphatase-like

CATH v4.4 (4 domains)

Domain ID domain_id	1fbpA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	540 — Fructose-1,6-Bisphosphatase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Fructose-1,6-Bisphosphatase, subunit A, domain 1

Domain ID domain_id	1fbpA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	80 —

Domain ID domain_id	1fbpB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	540 — Fructose-1,6-Bisphosphatase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Fructose-1,6-Bisphosphatase, subunit A, domain 1

Domain ID domain_id	1fbpB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	80 —

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Unit-cell length a length_a	61.600 Å
Unit-cell length b length_b	166.600 Å
Unit-cell length c length_c	80.000 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 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	0.2150
R_free r_free	—

CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATASE COMPLEXED WITH FRUCTOSE 6-PHOSPHATE, AMP, AND MAGNESIUM

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

FRUCTOSE 1,6-BISPHOSPHATASE

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

1fbp__assembly_1__model_1

1fbp__assembly_1__model_1 | I(q)

1fbp__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (3)

CRYSTAL STRUCTURE OF FRUCTOSE-1,6-BISPHOSPHATASE COMPLEXED WITH FRUCTOSE 6-PHOSPHATE, AMP, AND MAGNESIUM

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

FRUCTOSE 1,6-BISPHOSPHATASE

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

1fbp__assembly_1__model_1

1fbp__assembly_1__model_1 | I(q)

1fbp__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (3)