SAXSdb — 2yhj

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

HEAT-LABILE ENTEROTOXIN B CHAIN

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ELTB_CLOPE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–319； UniProt 1–319 Author chain B； PDBConstruct 1–319； UniProt 1–319

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	2yhj
Deposition date deposition_date	2011-05-03
Structure title title	Clostridium perfringens Enterotoxin at 4.0 Angstrom Resolution
Keywords keywords	TOXIN, PORE-FORMING TOXIN, FOOD-POISONING, ANTIBIOTIC-ASSOCIATED DIARRHOEA; TOXIN
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.

2yhj__assembly_2__model_1

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

Download this curve (.dat)

2yhj__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2yhj__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	32.93 Å
Rg (electron density)	32.16 Å
Total Rg	32.62 Å
Atom count	6624
Residues	855
Excluded volume	117180 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2yhj__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2yhj__assembly_2__model_1`	trimeric （3）	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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	2yhjA01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	15 — Proaerolysin; Chain A, domain 3
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2yhjA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	1050 —

Domain ID domain_id	2yhjB01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	15 — Proaerolysin; Chain A, domain 3
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2yhjB02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	1050 —

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Unit-cell length a length_a	159.697 Å
Unit-cell length b length_b	159.697 Å
Unit-cell length c length_c	159.697 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	24

Space group space_group	P 21 3
Space-group number int_tables_number	198
Crystal system crystal_system	—

Resolution resolution	4.000 Å
Low-resolution limit resolution_low	65.200 Å
R factor r_factor	0.2492
R_work r_work	0.2468
R_free r_free	0.2995

Description description	HEAT-LABILE ENTEROTOXIN B CHAIN
Molecular weight formula_weight	35345.2 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4416

Clostridium perfringens Enterotoxin at 4.0 Angstrom Resolution

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

HEAT-LABILE ENTEROTOXIN B CHAIN

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

2yhj__assembly_2__model_1

2yhj__assembly_2__model_1 | I(q)

2yhj__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)

Clostridium perfringens Enterotoxin at 4.0 Angstrom Resolution

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

HEAT-LABILE ENTEROTOXIN B CHAIN

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

2yhj__assembly_2__model_1

2yhj__assembly_2__model_1 | I(q)

2yhj__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)