SAXSdb — 1ifv

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

PROTEIN LLR18B

Lupinus luteus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	L18B_LUPLU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–155； UniProt 2–156 Author chain B； PDBConstruct 1–155； UniProt 2–156

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	1ifv
Deposition date deposition_date	2001-04-13
Structure title title	CRYSTAL STRUCTURE OF PATHOGENESIS-RELATED PROTEIN LLPR10.1B FROM YELLOW LUPINE
Keywords keywords	7-STRANDED BETA SHEET, C-TERMINAL HELIX, 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.

1ifv__assembly_1__model_1

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

Download this curve (.dat)

1ifv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ifv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.22 Å
Rg (electron density)	21.29 Å
Total Rg	22.16 Å
Atom count	2336
Residues	310
Excluded volume	41586 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ifv__assembly_1__model_1`	dimeric （2）	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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ifva_
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

Domain ID domain_id	d1ifvb_
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 (2 domains)

Domain ID domain_id	1ifvA00
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

Domain ID domain_id	1ifvB00
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	64.880 Å
Unit-cell length b length_b	107.445 Å
Unit-cell length c length_c	46.879 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	2.250 Å
Low-resolution limit resolution_low	12.000 Å
R factor r_factor	0.1880
R_work r_work	0.1860
R_free r_free	0.2390

Description description	PROTEIN LLR18B
Molecular weight formula_weight	16545.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2448

CRYSTAL STRUCTURE OF PATHOGENESIS-RELATED PROTEIN LLPR10.1B FROM YELLOW LUPINE

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

PROTEIN LLR18B

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

1ifv__assembly_1__model_1

1ifv__assembly_1__model_1 | I(q)

1ifv__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)

Source organism organism	Lupinus luteus
Common name common_name	yellow lupine
NCBI taxonomy ID ncbi_taxonomy_id	3873
Host organism host_organism	Escherichia coli BL21

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	112

CRYSTAL STRUCTURE OF PATHOGENESIS-RELATED PROTEIN LLPR10.1B FROM YELLOW LUPINE

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

PROTEIN LLR18B

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

1ifv__assembly_1__model_1

1ifv__assembly_1__model_1 | I(q)

1ifv__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)