SAXSdb — 2fjy

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

Pheromone-binding protein

Bombyx mori

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PBP_BOMMO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–142； UniProt 23–164 Author chain B； PDBConstruct 1–142； UniProt 23–164

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	2fjy
Deposition date deposition_date	2006-01-03
Structure title title	Crystal Structure of B-form Bombyx mori Pheromone Binding Protein
Keywords keywords	alpha helical, TRANSPORT PROTEIN; TRANSPORT PROTEIN
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.

2fjy__assembly_1__model_1

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

Download this curve (.dat)

2fjy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2fjy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.60 Å
Rg (electron density)	14.10 Å
Total Rg	15.35 Å
Atom count	1059
Residues	136
Excluded volume	18785 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2fjy__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2fjy__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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2fjya_
Class class	a — All alpha proteins
Fold Fold fold	a.39 — EF Hand-like
Superfamily Superfamily superfamily	a.39.2 — Insect pheromone/odorant-binding proteins
Family Family family	a.39.2.1 — Insect pheromone/odorant-binding proteins

Domain ID domain_id	d2fjyb_
Class class	a — All alpha proteins
Fold Fold fold	a.39 — EF Hand-like
Superfamily Superfamily superfamily	a.39.2 — Insect pheromone/odorant-binding proteins
Family Family family	a.39.2.1 — Insect pheromone/odorant-binding proteins

CATH v4.4 (2 domains)

Domain ID domain_id	2fjyA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	238 — Recoverin; domain 1
Homologous superfamily homologous superfamily	20 — Pheromone/general odorant binding protein domain

Domain ID domain_id	2fjyB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	238 — Recoverin; domain 1
Homologous superfamily homologous superfamily	20 — Pheromone/general odorant binding protein domain

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Unit-cell length a length_a	54.240 Å
Unit-cell length b length_b	70.790 Å
Unit-cell length c length_c	75.490 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	2.300 Å
Low-resolution limit resolution_low	43.000 Å
R factor r_factor	0.2200
R_work r_work	0.2200
R_free r_free	0.2700

Description description	Pheromone-binding protein
Molecular weight formula_weight	15903.1 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	2261

Crystal Structure of B-form Bombyx mori Pheromone Binding Protein

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

Pheromone-binding protein

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

2fjy__assembly_1__model_1

2fjy__assembly_1__model_1 | I(q)

2fjy__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 (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 (1)

Source organism organism	Bombyx mori
Common name common_name	domestic silkworm
NCBI taxonomy ID ncbi_taxonomy_id	7091
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	95

Crystal Structure of B-form Bombyx mori Pheromone Binding Protein

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

Pheromone-binding protein

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

2fjy__assembly_1__model_1

2fjy__assembly_1__model_1 | I(q)

2fjy__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 (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 (1)