SAXSdb — 1fm4

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

MAJOR POLLEN ALLERGEN BET V 1-L

Betula pendula

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BEV1L_BETVE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–159； UniProt 1–159

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	1fm4
Deposition date deposition_date	2000-08-16
Structure title title	CRYSTAL STRUCTURE OF THE BIRCH POLLEN ALLERGEN BET V 1L
Keywords keywords	alpha-beta: 6 anti-parallel beta strands and 3 alpha helices., ALLERGEN; ALLERGEN
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.

1fm4__assembly_1__model_1

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

Download this curve (.dat)

1fm4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1fm4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.00 Å
Rg (electron density)	15.41 Å
Total Rg	16.55 Å
Atom count	1284
Residues	159
Excluded volume	23172 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1fm4__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 (3)

Entity 1 Entity 1 polymer

Description description	MAJOR POLLEN ALLERGEN BET V 1-L
Molecular weight formula_weight	17430.7 kDa
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	1380

GVFNYETEATSVIPAARMFKAFILDGDKLVPKVAPQAISSVENIEGNGGPGTIKKINFPEGFPFKYVKDRVDEVDHTNFKYNYSVIEGGPVGDTLEKISNEIKIVATPDGGCVLKISNKYHTKGNHEVKAEQVKASKEMGETLLRAVESYLLAHSDAYN

Source Source

Source organism organism	Betula pendula
Common name common_name	European white birch
NCBI taxonomy ID ncbi_taxonomy_id	3505
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID
Molecular weight formula_weight	392.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	96

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1fm4a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.129 — TBP-like
Superfamily Superfamily superfamily	d.129.3 — Bet v1-like
Family Family family	d.129.3.1 — Pathogenesis-related protein 10 (PR10)-like

CATH v4.4 (1 domains)

Domain ID domain_id	1fm4A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	530 — Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4
Homologous superfamily homologous superfamily	20 — START domain

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Unit-cell length a length_a	33.130 Å
Unit-cell length b length_b	57.230 Å
Unit-cell length c length_c	38.650 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.94 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.970 Å
Low-resolution limit resolution_low	28.660 Å
R factor r_factor	—
R_work r_work	0.1970
R_free r_free	0.2400

CRYSTAL STRUCTURE OF THE BIRCH POLLEN ALLERGEN BET V 1L

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

MAJOR POLLEN ALLERGEN BET V 1-L

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

1fm4__assembly_1__model_1

1fm4__assembly_1__model_1 | I(q)

1fm4__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)

CRYSTAL STRUCTURE OF THE BIRCH POLLEN ALLERGEN BET V 1L

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

MAJOR POLLEN ALLERGEN BET V 1-L

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

1fm4__assembly_1__model_1

1fm4__assembly_1__model_1 | I(q)

1fm4__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)