SAXSdb — 1bte

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

PROTEIN (ACTIVIN RECEPTOR TYPE II)

Mus musculus

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 × 2 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ACVR2_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–97； UniProt 25–121 Author chain B； PDBConstruct 1–97； UniProt 25–121

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	1bte
Deposition date deposition_date	1998-09-01
Structure title title	CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN RECEPTOR
Keywords keywords	RECEPTOR, SERINE KINASE, LIGAND BINDING DOMAIN, THREE-FINGER TOXIN, TRANSFERASE; TRANSFERASE
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.

1bte__assembly_1__model_1

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

Download this curve (.dat)

1bte__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1bte__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	14.53 Å
Rg (electron density)	13.42 Å
Total Rg	14.52 Å
Atom count	767
Residues	92
Excluded volume	13339 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1bte__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1bte__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 (3)

Entity 1 Entity 1 polymer

Description description	PROTEIN (ACTIVIN RECEPTOR TYPE II)
Molecular weight formula_weight	11507.8 kDa
EC 编号 ec_number	2.7.1.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1745

SETQECLFFNANWERDRTNQTGVEPCYGDKDKRRHCFATWKNISGSIEIVKQGCWLDDINCYDRTDCIEKKDSPEVYFCCCEGNMCNEKFSYFPEME

Source Source

Source organism organism	Mus musculus
Common name common_name	house mouse
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	Pichia pastoris

Entity 2 Entity 2 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	202

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1btea_
Class class	g — Small proteins
Fold Fold fold	g.7 — Snake toxin-like
Superfamily Superfamily superfamily	g.7.1 — Snake toxin-like
Family Family family	g.7.1.3 — Extracellular domain of cell surface receptors

Domain ID domain_id	d1bteb_
Class class	g — Small proteins
Fold Fold fold	g.7 — Snake toxin-like
Superfamily Superfamily superfamily	g.7.1 — Snake toxin-like
Family Family family	g.7.1.3 — Extracellular domain of cell surface receptors

CATH v4.4 (2 domains)

Domain ID domain_id	1bteA00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

Domain ID domain_id	1bteB00
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	71.630 Å
Unit-cell length b length_b	71.630 Å
Unit-cell length c length_c	37.380 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 3
Space-group number int_tables_number	143
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.1810
R_free r_free	0.2220

CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN RECEPTOR

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

PROTEIN (ACTIVIN RECEPTOR TYPE II)

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

1bte__assembly_1__model_1

1bte__assembly_1__model_1 | I(q)

1bte__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN RECEPTOR

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

PROTEIN (ACTIVIN RECEPTOR TYPE II)

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

1bte__assembly_1__model_1

1bte__assembly_1__model_1 | I(q)

1bte__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)