SAXSdb — 2oxb

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

Beta-fructofuranosidase

Arabidopsis thaliana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Monomer	Protein 1 其他Polymer 1	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q43866_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–537； UniProt 48–584

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	2oxb
Deposition date deposition_date	2007-02-20
Structure title title	Crystal structure of a cell-wall invertase (E203Q) from Arabidopsis thaliana in complex with sucrose
Keywords keywords	hydrolase; HYDROLASE
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.

2oxb__assembly_1__model_1

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

Download this curve (.dat)

2oxb__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2oxb__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.40 Å
Rg (electron density)	23.52 Å
Total Rg	24.56 Å
Atom count	4380
Residues	537
Excluded volume	77785 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2oxb__assembly_1__model_1`	monomeric （1）	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	Beta-fructofuranosidase
Molecular weight formula_weight	61102.1 kDa
EC 编号 ec_number	3.2.1.26
Mutation mutation	E203Q
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4414

NQPYRTGFHFQPPKNWMNDPNGPMIYKGIYHLFYQWNPKGAVWGNIVWAHSTSTDLINWDPHPPAIFPSAPFDINGCWSGSATILPNGKPVILYTGIDPKNQQVQNIAEPKNLSDPYLREWKKSPLNPLMAPDAVNGINASSFRDPTTAWLGQDKKWRVIIGSKIHRRGLAITYTSKDFLKWEKSPEPLHYDDGSGMWQCPDFFPVTRFGSNGVETSSFGEPNEILKHVLKISLDDTKHDYYTIGTYDRVKDKFVPDNGFKMDGTAPRYDYGKYYASKTFFDSAKNRRILWGWTNESSSVEDDVEKGWSGIQTIPRKIWLDRSGKQLIQWPVREVERLRTKQVKNLRNKVLKSGSRLEVYGVTAAQADVEVLFKVRDLEKADVIEPSWTDPQLICSKMNVSVKSGLGPFGLMVLASKNLEEYTSVYFRIFKARQNSNKYVVLMCSDQSRSSLKEDNDKTTYGAFVDINPHQPLSLRALIDHSVVESFGGKGRACITSRVYPKLAIGKSSHLFAFNYGYQSVDVLNLNAWSMNSAQIS

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Pichia pastoris

Entity 2 Entity 2 branched

Description description	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	3

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	34

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	2oxbA01
Class class	2 — Mainly Beta
Architecture architecture	115 — 5 Propeller
Topology topology	10 — Tachylectin-2; Chain A
Homologous superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

Domain ID domain_id	2oxbA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	560 — Exo-inulinase; domain 1

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Unit-cell length a length_a	106.454 Å
Unit-cell length b length_b	106.454 Å
Unit-cell length c length_c	50.548 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	3

Space group space_group	P 32
Space-group number int_tables_number	145
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	19.510 Å
R factor r_factor	0.2050
R_work r_work	0.2050
R_free r_free	0.2680

Crystal structure of a cell-wall invertase (E203Q) from Arabidopsis thaliana in complex with sucrose

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

Beta-fructofuranosidase

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

2oxb__assembly_1__model_1

2oxb__assembly_1__model_1 | I(q)

2oxb__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of a cell-wall invertase (E203Q) from Arabidopsis thaliana in complex with sucrose

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

Beta-fructofuranosidase

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

2oxb__assembly_1__model_1

2oxb__assembly_1__model_1 | I(q)

2oxb__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)