SAXSdb — 3fev

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

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	water × 1	Consistent with protein count
2	Insufficient information	Monomer	Protein 1	SULFATE ION × 1 water × 1	Consistent with protein count
3	Insufficient information	Monomer	Protein 1	SULFATE ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TXM1_DENAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–16； UniProt 1–16 Author chain B； PDBConstruct 1–16； UniProt 1–16 Author chain C； PDBConstruct 1–16； UniProt 1–16

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

OrganismNot specified

UniProt Q8QGR0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	water × 1	Consistent with protein count
2	Insufficient information	Monomer	Protein 1	SULFATE ION × 1 water × 1	Consistent with protein count
3	Insufficient information	Monomer	Protein 1	SULFATE ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NXM11_DENAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 17–65； UniProt 38–86 Author chain B； PDBConstruct 17–65； UniProt 38–86 Author chain C； PDBConstruct 17–65； UniProt 38–86

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	3fev
Deposition date deposition_date	2008-12-01
Structure title title	Crystal structure of the chimeric muscarinic toxin MT7 with loop 1 from MT1.
Keywords keywords	;CHIMERA, ACETYLCHOLINE RECEPTOR INHIBITOR, GREEN MAMBA SNAKE TOXIN, HM1 MUSCARINIC RECEPTOR, TOXIN, NEUROTOXIN, MUSCARINIC TOXIN, POSTSYNAPTIC NEUROTOXIN, Secreted ;; 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.

3fev__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3fev__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3fev__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	13.68 Å
Rg (electron density)	12.91 Å
Total Rg	14.01 Å
Atom count	515
Residues	65
Excluded volume	9078 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3fev__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3fev__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3fev__assembly_3__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)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	3fevA00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

Domain ID domain_id	3fevB00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

Domain ID domain_id	3fevC00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

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Unit-cell length a length_a	27.140 Å
Unit-cell length b length_b	71.975 Å
Unit-cell length c length_c	89.421 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	12

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.300 Å
Low-resolution limit resolution_low	28.000 Å
R factor r_factor	0.2156
R_work r_work	0.2147
R_free r_free	0.2332

Description description	Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1
Molecular weight formula_weight	7376.5 kDa
Source method src_method	syn
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	2154

Crystal structure of the chimeric muscarinic toxin MT7 with loop 1 from MT1.

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

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

State in the Current Structure

Other States of the Same Protein in the Database

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

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

3fev__assembly_3__model_1

3fev__assembly_3__model_1 | I(q)

3fev__assembly_3__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	514

Crystal structure of the chimeric muscarinic toxin MT7 with loop 1 from MT1.

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

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Fusion of Muscarinic toxin 1, Muscarinic m1-toxin1

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

3fev__assembly_3__model_1

3fev__assembly_3__model_1 | I(q)

3fev__assembly_3__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)