SAXSdb — 1n10

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

Pollen allergen Phl p 1

Phleum pratense

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MPAP1_PHLPR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–241； UniProt 23–263 Author chain B； PDBConstruct 1–241； UniProt 23–263

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	1n10
Deposition date deposition_date	2002-10-16
Structure title title	Crystal Structure of Phl p 1, a Major Timothy Grass Pollen Allergen
Keywords keywords	;Plant allergen, phl p 1, expansin, immunoglobulin-like fold, double-psi beta barrel, Structural Genomics, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, 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.

1n10__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1n10__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1n10__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	20.48 Å
Rg (electron density)	20.00 Å
Total Rg	20.89 Å
Atom count	1770
Residues	228
Excluded volume	31356 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1n10__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1n10__assembly_2__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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1n10a1
Class class	b — All beta proteins
Fold Fold fold	b.7 — C2 domain-like
Superfamily Superfamily superfamily	b.7.3 — PHL pollen allergen
Family Family family	b.7.3.1 — PHL pollen allergen

Domain ID domain_id	d1n10a2
Class class	b — All beta proteins
Fold Fold fold	b.52 — Double psi beta-barrel
Superfamily Superfamily superfamily	b.52.1 — Barwin-like endoglucanases
Family Family family	b.52.1.3 — Pollen allergen PHL P 1 N-terminal domain

Domain ID domain_id	d1n10b1
Class class	b — All beta proteins
Fold Fold fold	b.7 — C2 domain-like
Superfamily Superfamily superfamily	b.7.3 — PHL pollen allergen
Family Family family	b.7.3.1 — PHL pollen allergen

Domain ID domain_id	d1n10b2
Class class	b — All beta proteins
Fold Fold fold	b.52 — Double psi beta-barrel
Superfamily Superfamily superfamily	b.52.1 — Barwin-like endoglucanases
Family Family family	b.52.1.3 — Pollen allergen PHL P 1 N-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id	1n10A01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	40 — Barwin-like endoglucanases
Homologous superfamily homologous superfamily	10 — RlpA-like domain

Domain ID domain_id	1n10A02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	760 — Expansin, cellulose-binding-like domain

Domain ID domain_id	1n10B01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	40 — Barwin-like endoglucanases
Homologous superfamily homologous superfamily	10 — RlpA-like domain

Domain ID domain_id	1n10B02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	760 — Expansin, cellulose-binding-like domain

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Unit-cell length a length_a	59.685 Å
Unit-cell length b length_b	65.526 Å
Unit-cell length c length_c	144.769 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2430
R_work r_work	0.2390
R_free r_free	0.2670

Description description	Pollen allergen Phl p 1
Molecular weight formula_weight	26265.6 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	3540

Crystal Structure of Phl p 1, a Major Timothy Grass Pollen Allergen

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

Pollen allergen Phl p 1

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

1n10__assembly_2__model_1

1n10__assembly_2__model_1 | I(q)

1n10__assembly_2__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 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (3)

Source organism organism	Phleum pratense
Common name common_name	timothy grass
NCBI taxonomy ID ncbi_taxonomy_id	15957
Host organism host_organism	Spodoptera frugiperda

Crystal Structure of Phl p 1, a Major Timothy Grass Pollen Allergen

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

Pollen allergen Phl p 1

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

1n10__assembly_2__model_1

1n10__assembly_2__model_1 | I(q)

1n10__assembly_2__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 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (3)